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B00852VT8W Availability: Currently unavailable Score: 1000.000 Category: Electronics Rating: 4 Votes: 4 Find similar products Amplifier - Model#: BK18001D. BK18001D: Black Ice Series Monoblock Class D Car Amplifier Black Ice Series Monoblock Class D Car Amplifier RMS Power Rating: RMS Power Rating: 4 ohms: 700 watts x 1 chan.2 ohms: 1100 watts x 1 chan.1 ohms: 1800 watts x 1 chan. 4 ohms: 700 watts x 1 chan. 4 ohms: 700 watts x 1 chan. 2 ohms: 1100 watts x 1 chan. 2 ohms: 1100 watts x 1 chan. 1 ohms: 1800 watts x 1 chan. 1 ohms: 1800 watts x 1 chan. Black Acrylic Surface Black Acrylic Surface PWM MOSFET power supply PWM MOSFET power supply Variable Bass Boost (0, 6, 12 dB at 55 Hz) Variable Bass Boost (0, 6, 12 dB at 55 Hz) SMT(Surface mount technology) Circuity SMT(Surface mount technology) Circuity Dash mount remote gain control included Dash mount remote gain control included Balanced signal input Balanced signal input Turn on/off delay Turn on/off delay Single-channel monoblock operation Single-channel monoblock operation Nickel-plated RCA level inputs Nickel-plated RCA level inputs Damping factor: 200 Damping factor: 200 Variable 180 phase control Variable 180 phase control Total harmonic distortion: 0.5% Total harmonic distortion: 0.5% Variable 12dB high, low, & subsonic filters Variable 12dB high, low, & subsonic filters Nickel-plated screw terminals Nickel-plated screw terminals Input sensitivity: 0.2V-5V Input sensitivity: 0.2V-5V Dimensions: 19-3/4L x 8-1/4W x 2H Dimensions: 19-3/4L x 8-1/4W x 2H Heavy duty aluminum alloy heatsink efficient heat dissipation Heavy duty aluminum alloy heatsink efficient heat dissipation 1 Year 3 Kings Warranty 1 Year 3 Kings Warranty.	B007QY8GJA Availability: Currently unavailable Score: 40.000 Category: Electronics Rating: 4.5 Votes: 3 Find similar products Amplifier - Model#: BK6501D. BK6501D: Black Ice Series Monoblock Class D Car Amplifier Black Ice Series Monoblock Class D Car Amplifier RMS Power Rating: RMS Power Rating: 4 ohms: 240 watts x 1 chan.2 ohms: 450 watts x 1 chan.1 ohms: 650 watts x 1 chan. 4 ohms: 240 watts x 1 chan. 4 ohms: 240 watts x 1 chan. 2 ohms: 450 watts x 1 chan. 2 ohms: 450 watts x 1 chan. 1 ohms: 650 watts x 1 chan. 1 ohms: 650 watts x 1 chan. Black Acrylic Surface Black Acrylic Surface PWM MOSFET power supply PWM MOSFET power supply Variable Bass Boost (0, 6, 12 dB at 55 Hz) Variable Bass Boost (0, 6, 12 dB at 55 Hz) SMT(Surface mount technology) Circuity SMT(Surface mount technology) Circuity Balanced signal input Balanced signal input Turn on/off delay Turn on/off delay Single-channel monoblock operation Single-channel monoblock operation Heavy duty aluminum alloy heatsink efficient heat dissipation Heavy duty aluminum alloy heatsink efficient heat dissipation Nickel-plated RCA level inputs Nickel-plated RCA level inputs Damping factor: >200 Damping factor: >200 Variable 180° phase control Variable 180° phase control Total harmonic distortion: 0.5% Total harmonic distortion: 0.5% Dash mount remote gain control included Dash mount remote gain control included Brushed aluminum finish Brushed aluminum finish Input sensitivity: 0.2V-5V Input sensitivity: 0.2V-5V Variable 12dB high, low, & subsonic filters Variable 12dB high, low, & subsonic filters Dimensions: 11-1/2L x 8-1/4W x 2H Dimensions: 11-1/2L x 8-1/4W x 2H Nickel-plated screw terminals Nickel-plated screw terminals 1 Year 3 Kings Warranty 1 Year 3 Kings Warranty.
B0BPL54Q2S Price: $101.99 Score: 10.309 Category: Electronics Rating: 4.1 Votes: 212 Find similar products Pyle 2 Channel Car Stereo Amplifier - 4000W Dual Channel Bridgeable High Power MOSFET Audio Sound Auto Small Speaker Amp Box w/ Crossover, Bass Boost Control, Silver Plated RCA Input Output - PLA2678. Product Description - From the Manufacturer Advanced Protection Circuitry view larger Power Series Amplifiers view larger System Application Diagram view larger The Strong and not so Silent Type Custom Terminal Block for Speaker Connections view larger Power Amplifiers The Pyle Power Series Amplifiers will provide your audio setup with a powerful new sound. Add performance and quality enhancement to your music when you upgrade your audio system with these rugged and high-efficiency amps. Enjoy tomorrow’s advanced sound technology that outperforms all other amps in its class. This lineup of Pyle Power amps raises the bar when it comes to true sound quality. Get that sound you’ve been looking for with crisp music reproduction for any mobile audio environment. Sound Specialization These high-efficiency amplifiers host impressive power output wattage and are where form and function meet. Enjoy sound and performance enhancing features like Ohm specific stability, Mosfet power supply, PWM (Pulse-Width-Modulation) System, Glass Epoxy PCB, silver RCA inputs, custom terminal blocks for speaker connections, strong frequency response, and input impedance rates along with plenty more features that make the Pyle Power Series Amplifiers stronger than the competition. Intelligent Design Safety features include power and protection LED indicator; soft turn-on/off, thermal, overload and speaker-short protection. LED Indicator shows when the amplifier is powered up normally and when your system is experiencing a protection fault. Pump it Up Take advantage of the Bass EQ Boost and turn it up. Make adjustments to the Bass EQ settings until you achieve that extra amount of kick you’ve been waiting for. Strong Sound – Powerful Style The jet-black design leaves a clean finish on the fortified aluminum heat-sink. The stream-lined and high-tech appearance will definitely add some muscle to your audio. Total Audio Control Once you’re connected, customize and adjust your listening experience to your liking with the amplifier’s control center. You can personalize and fine-tune settings like: Level (Gain) Control – These are basically volume controls. This will allow you to adjust the incoming signal to the amplifier so that it works well with your headunit or to match the level of other amplifiers in your system. Level (Gain) Control – These are basically volume controls. This will allow you to adjust the incoming signal to the amplifier so that it works well with your headunit or to match the level of other amplifiers in your system. Phase - Allows you to change the relative time that the waveform meets your ear. With standard subwoofer installations where the subwoofer is behind you, the phase should generally be at O. When subwoofers or woofers are in the kick panels or door panels, an adjustment is useful in delaying the timing of the wave meeting your ear. Phase - Allows you to change the relative time that the waveform meets your ear. With standard subwoofer installations where the subwoofer is behind you, the phase should generally be at O. When subwoofers or woofers are in the kick panels or door panels, an adjustment is useful in delaying the timing of the wave meeting your ear. High-Pass Filter – The High Pass crossover is used for sending midrange and high frequency information to a particular speaker. Activate the High Pass crossover if you intend to drive satellite or coaxial speakers in the system along with subwoofers driven by the amplifier’s channels. Even if your system does not include subwoofers, it may be helpful to activate the High Pass with smaller speakers to protect them from low frequency information to achieve better sound. High-Pass Filter – The High Pass crossover is used for sending midrange and high frequency information to a particular speaker. Activate the High Pass crossover if you intend to drive satellite or coaxial speakers in the system along with subwoofers driven by the amplifier’s channels. Even if your system does not include subwoofers, it may be helpful to activate the High Pass with smaller speakers to protect them from low frequency information to achieve better sound. Low-Pass Filter - Filters high frequencies out of the music and improves efficiency and sound quality by allowing only the low frequencies to pass to the subwoofer. Sends only low frequency information to particular speakers. Low Pass crossover activation is usually desired if you intend to power subwoofers. Low-Pass Filter - Filters high frequencies out of the music and improves efficiency and sound quality by allowing only the low frequencies to pass to the subwoofer. Sends only low frequency information to particular speakers. Low Pass crossover activation is usually desired if you intend to power subwoofers. Bass EQ - Variable from a range of decibel adjustments, this feature regulates the impact of your bass kick. You’ll have manual control over balancing and correcting the frequency range of a given sound. Bass EQ - Variable from a range of decibel adjustments, this feature regulates the impact of your bass kick. You’ll have manual control over balancing and correcting the frequency range of a given sound. Crossover Switch – Basically acts as a filter and limits selected frequencies going to a subwoofer, which gradually reduce frequency signal strength. Routes output of the Low Pass or the output of the High Pass filters, or ‘Full’ to the power amplifier. Crossover Switch – Basically acts as a filter and limits selected frequencies going to a subwoofer, which gradually reduce frequency signal strength. Routes output of the Low Pass or the output of the High Pass filters, or ‘Full’ to the power amplifier. *Please refer to table below for amplifier specific information and adjustment options. Speaker Output Connections Connect right and left speaker wire to corresponding speaker output terminals. Be sure to correctly connect the selected speaker wires to their respected speaker terminal, this includes both positive and negative wiring. Improper installation/wiring will result in the speaker cones to move out of phase which can cause bass cancellation. Input Connections These amplifiers have inputs for Low Level input connections. The Low Level signal is carried through RCA connection cables. Additional Features Maximum Power Output 2 x 2000W Maximum Power Output 2 x 2000W Bridgeable RMS Power @ 4 Ohms: 1x4000W Bridgeable RMS Power @ 4 Ohms: 1x4000W 2 Channel Bridgeable MOSFET Amplifier 2 Channel Bridgeable MOSFET Amplifier Frequency Response 20 Hz-50kHz (±3dB) Frequency Response 20 Hz-50kHz (±3dB) Output Power @ 14.4v DC, 50Hz Output Power @ 14.4v DC, 50Hz 2 Ohm Stable 2 Ohm Stable MOSFET Power Supply MOSFET Power Supply PWM ( Pulse-Width-Modulation ) System PWM ( Pulse-Width-Modulation ) System Glass Epoxy PCB Glass Epoxy PCB Silver RCA Inputs Silver RCA Inputs Custom Terminal Block for Speaker Connection Custom Terminal Block for Speaker Connection Thermal / Overload / Short Circuit Protection Thermal / Overload / Short Circuit Protection Input Impedance: 47K Ohms Input Impedance: 47K Ohms Soft Turn On/ Off Soft Turn On/ Off Advanced Protection Circuitry Advanced Protection Circuitry S/N Ratio: >90dB S/N Ratio: >90dB Dimensions: 10.24''W x 2.21''H x 16.14''L Dimensions: 10.24''W x 2.21''H x 16.14''L Which Pyle Power Series Amplifier is Right For You? PLA2378 PLA2678 Currently Viewing PLA2978 PLA4278 PLA4478 PLA1800 PLA3100D PLA4600D Channels 2 2 2 4 4 1 1 1 Watt Power Output @ 4 Ohms 2 x 1000 2 x 2000 2 x 2500 4 x 500 4 x 1000 1 x 300 1 x 900 1 x 1200 Watt Power Output @ 2 Ohms - - - - - 1 x 500 1 x 1200 1 x 1800 Watt Power Output @ 1 Ohms - - - - - 1 x 700 1 x 1600 1 x 2400 Bridged @ 4 Ohms 1 x 2000 1 x 4000 1 x 5000 2 x 1000 2 x 2000 - - - Maximum Output Watt Power 2000 4000 5000 2000 4000 2400 3100 4600 Low Pass Cross Frequency 40Hz – 300Hz 40Hz – 300Hz 40Hz – 300Hz 60Hz – 200Hz 60Hz – 200Hz 40Hz – 300Hz 40Hz – 150Hz 40Hz – 150Hz High Pass Cross Frequency 40Hz – 300Hz 40Hz – 300Hz 40Hz – 300Hz 15Hz – 250Hz 15Hz – 250Hz - - - Subsonic Filter - - - - - 10Hz – 40 Hz 15Hz – 55Hz 15Hz – 55Hz Fuse Size 2 x 15A 2 x 40A 4 x 30A 2 x 25A 2 x 40A 2 x 30A 4 x 25A 4 x 30A.	B0BKL9HXJQ Availability: Currently unavailable Score: 10.101 Category: Electronics Rating: 4.6 Votes: 3 Find similar products Car Amplifier BA-140D Monoblock Class D MOSFET Subwoofer Audio, 2/4 Ohm Stable, Low Pass Crossover, Mosfet Power Supply, Stereo. Amplifier Class: D No. of channel: 1 Channel Dimensions: 11 x 7.5 x 2 RMS Power (4 Ohms): 380W x 1 RMS Power (2 Ohms): 680W x 1 Frequency Response: 10Hz - 500Hz Signal-to-Noise Ratio: =>75dB Voltage Supply: 11 - 16V DC Gain Adjust: 0.2V-5V RCA Input: 2-Channel Crossover Frequency: 50Hz - 250Hz Crossover Slope (dB/oct): 0-18dB/oct.
B004VD3158 Price: $79.99 Score: 10.000 Category: Electronics Rating: 4.2 Votes: 30 Find similar products Kicker 11DX250.1 DX Series Class D Mono 250W Subwoofer Amplifier - Refurbished. This item is Factory Certified Refurbished DX Series Monoblock Class D Car Amplifier DX Series Monoblock Class D Car Amplifier RMS Power Rating (14.4V):4 ohms: 140W x 1 chan.2 ohms: 250W x 1 chan. RMS Power Rating (14.4V): 4 ohms: 140W x 1 chan. 4 ohms: 140W x 1 chan. 2 ohms: 250W x 1 chan. 2 ohms: 250W x 1 chan. Total RMS power output: 250W x 1 chan. Total RMS power output: 250W x 1 chan. High efficiency MOSFET power supply High efficiency MOSFET power supply Remote bass level input (Kicker 10ZXRC remote level control sold separately) Remote bass level input (Kicker 10ZXRC remote level control sold separately) LED power and protect indicators LED power and protect indicators Selectable bass boost (0 or +9 dB at 40 Hz) Selectable bass boost (0 or +9 dB at 40 Hz) Mono channel operation Mono channel operation Preamp RCA outputs Preamp RCA outputs Muting circuit cancels out unwanted noise Muting circuit cancels out unwanted noise FIT (Fail-Safe Integration Technology) utilizes differential inputs to reject noise and electrical interference for the quietest operation possible and ultimate audio clarity FIT (Fail-Safe Integration Technology) utilizes differential inputs to reject noise and electrical interference for the quietest operation possible and ultimate audio clarity Balanced differential inputs for noise elimination and factory-radio compatibility Balanced differential inputs for noise elimination and factory-radio compatibility Dual input sensitivity differential RCA inputs which receive high or low level signals Dual input sensitivity differential RCA inputs which receive high or low level signals Speaker-level input compatible (switchable) through RCA connection, Kicker 09ZISL required and sold separately Speaker-level input compatible (switchable) through RCA connection, Kicker 09ZISL required and sold separately 3 Automatic turn-on modes (remote, DC offset, signal sense) 3 Automatic turn-on modes (remote, DC offset, signal sense) High-density convection heat sink for extreme heat dissipation High-density convection heat sink for extreme heat dissipation Gold-plated RCA level inputs Gold-plated RCA level inputs Gold-plated screw terminals Gold-plated screw terminals Input sensitivity:Low level: 125mV-5VHigh level: 250mV-10V Input sensitivity: Low level: 125mV-5V Low level: 125mV-5V High level: 250mV-10V High level: 250mV-10V Subsonic Filter: 24dB/octavehigh-pass fixed @ 25Hz Subsonic Filter: 24dB/octavehigh-pass fixed @ 25Hz CEA-2006 compliant amplifier CEA-2006 compliant amplifier Frequencyresponse: 25-200hz, +0/-1dB Frequencyresponse: 25-200hz, +0/-1dB Dimensions: 10-1/4L x 8-5/16W x 2-1/4H Dimensions: 10-1/4L x 8-5/16W x 2-1/4H Actual power exceeds rated power, documented inside each carton Actual power exceeds rated power, documented inside each carton 8-gauge power and ground wiring is required for installation. Contact us for information regarding a discount on select amplifier kits when purchased together with this amplifier. 8-gauge power and ground wiring is required for installation. Contact us for information regarding a discount on select amplifier kits when purchased together with this amplifier. Factory Refurbished by Kicker Factory Refurbished by Kicker 1-Year Manufacturer's Warranty 1-Year Manufacturer's Warranty All Manufacturer Warranties are handled through HiFiSoundConnection (1-877-275-4434) All Manufacturer Warranties are handled through HiFiSoundConnection (1-877-275-4434).	B0039OGNF0 Availability: Currently unavailable Score: 9.804 Category: Electronics Rating: 3.5 Votes: 10 Find similar products Rockford Fosgate Punch 500-Watt Stereo Amplifier. Product Description Since day one, we have spearheaded the car audio revolution. Nothing has changed. Rockford Fosgate is still the global leader in audio innovation and your passion is our purpose. We engineer the best audio systems for your lifestyle! Amazon.com Whether you're looking to drive high frequency component speakers or low frequency subwoofers, the P500-2 has the power and flexibility you need to put some serious PUNCH in your vehicle. The power available from such a small amp means it's a great match for a 2-ohm DVC subwoofer or pair of 8-ohm SVC subwoofers. Rockford Fosgate Punch Series Amplification For over 25 years, Punch amplifiers have set the standard in the car audio amplifier industry and they continue to do so today. It's the reason that they have become the most popular amplifiers in the world. Each of the Punch family amplifiers reproduce sonic perfection along with impressive power in a compact chassis. The P500-2 has the power and flexibility you need to put some serious PUNCH in your vehicle. Click to enlarge. All connections are recessed into the amplifier's chassis and located on the bottom edge of the P500-2, for a clean, uncluttered install that looks great in any car. Click to enlarge. P500-2 Features Features: 12dB/octave crossover 12dB/octave crossover 4 Gauge power/ground terminals 4 Gauge power/ground terminals Audiophile grade speaker connections Audiophile grade speaker connections MOSFET output stage MOSFET output stage MOSFET power supply MOSFET power supply RCA pass-thru RCA pass-thru Top Mounted LED Indicators CEA-2006 Compliant Power ratings on Rockford Fosgate amplifiers conform to CEA-2006 industry standards. These guidelines mean your amplifier's output power ratings are REAL POWER numbers, not inflated marketing ratings. Differential Inputs Differential input circuitry measures the voltage of both the (+) and (-) input signal. The circuitry subtracts the voltage common to both conductors (noise) resulting in only the clean signal. This allows only clean signal to enter the amplifier. DSM (Discrete Surface Mount) DSM utilize 1% tight-tolerances improving efficiency of the circuit, decreases cross-talk from other discrete components and lowers operating temperature. Dynamic Thermal Management Evenly distributes excess heat across entire amplifier heatsink. MEHSA3 MEHSA3 reduces MOSFET temperatures, lowers distortion, increases durability and prolongs the output device life span. NOMAD NOMAD is a real time analog computer that protects your amplifier from shorting speaker wires and dangerously low speaker impedances. Punch EQ2 Onboard equalizer with up to +18dB @ 35Hz and/or up to +12dB boost at 12kHz. TO-247 MOSFETs Rockford Fosgate amps use custom TO-247 MOSFETs. These have 60% more metal tab area for more power capacity, lower impedance and improved heat dissipation over traditional TO-220 MOSFETs found in competitor amps. TRANS·ana Trans·ana simplifies the signal path of the amplifier allowing the signal to travel through the amplifier at a lower voltage. The result is greater reliability and exceptional sound quality. P500-2 SpecificationsNumber of Channels: 2 Rated Power: 125 Watts RMS x 2 @ 4-Ohms 250 Watts RMS x 2 @ 2-Ohms 500 Watts RMS x 1 @ 4-Ohms Bridged/Mono Total Power: 500 Watts Dynamic Power: 229 Watts x 2 @ 4-Ohms 0 degrees Res 371 Watts x 2 @ 2-Ohms 0 degrees Res Bridgeable: Yes Efficiency (average): 71% @ 4-Ohm 66% @ 2-Ohm Crossover Controls: High-Pass (HP): 50Hz-500Hz 12dB/octave Butterworth Low-Pass (LP): 50-500Hz 12dB/octave Butterworth Tone Controls: Punch EQ2 Bass: 0dB to +18dB @ 45Hz and/or Punch EQ2 Treble: 0dB to +12dB @ 12kHz Function depends upon LP/AP/HP switch position Signal Input: Low level: 1 RCA pair Signal Output: Low level: 1 RCA pair Power Input Connector: Block Power Wire Gauge: 4 AWG Speaker Output Connector: Screw terminal barrier strip Speaker Wire Gauge: 8 AWG to 18 AWG Heat Sink Type: Cast aluminum Cooling: Convection Remote Controls: Optional PEQ Remote Punch EQ (overrides built-in Punch EQ2) Visual Indicators: Power Thermal Protect Circuit Topology Class: Class A/B Frequency Response: 20Hz to 20kHz +/- 1dB Shipping Weight: 8.89 Lbs. (4.03 Kg.) Dimensions (HxWxL):2.25 x 7.625 x 13.02 (in) 5.71 x 19.37 x 33.07 (cm)Thirty Years of Rockford Fosgate Rockford Fosgate products have been designed and engineered in Tempe, Arizona since the beginning. Rockford's 30 year reputation is grounded in engineering and manufacturing some of the finest audio products in the world. The company's no-compromise approach has yielded patented iconic products such as the Punch EQ, Punch 45 amplifier and the 3Sixty integrated signal processor. Today, Rockford's new products push the performance envelope even further. Each new product is a step forward--they sound bigger, they play louder, and run longer. Rockford never settles for good enough. The 2010 product line represents the company's core philosophy. Rockfords new amplifiers, speakers and subwoofers have raised the bar on the competition. What's in the Box Rockford Fosgate Punch P500-2 500-Watt Stereo Amplifier, User's Manual Need More Amp? If you need more features, step up to the Power Series T600-2. Rockford Fosgate Punch Series Power AmplifiersRockford Fosgate Punch P200-2 200-Watt Stereo Amplifier Rockford Fosgate Punch P300-1 300-Watt Mono Amplifer Rockford Fosgate Punch P300-2 300-Watt Stereo Amplifer Rockford Fosgate Punch P400-1 400 Watt Mono Amplifier Rockford Fosgate Punch P400-2 400-Watt Stereo Amplifier Rockford Fosgate Punch P400-4 400-Watt Multi Channel Amplifer Rockford Fosgate Punch P500-1BD 500-Watt Mono Amplifer Rockford Fosgate Punch P500-2 500-Watt Stereo Amplifer Rockford Fosgate Punch P500-4 500 Watt Multi Channel Amplifier Rockford Fosgate Punch P700-1BD 700 Watt Mono Amplifier Rockford Fosgate Punch P1000-1BD 1000-Watt Mono Amplifer Top Mounted LED Indicators CEA-2006 Compliant Power ratings on Rockford Fosgate amplifiers conform to CEA-2006 industry standards. These guidelines mean your amplifier's output power ratings are REAL POWER numbers, not inflated marketing ratings. Differential Inputs Differential input circuitry measures the voltage of both the (+) and (-) input signal. The circuitry subtracts the voltage common to both conductors (noise) resulting in only the clean signal. This allows only clean signal to enter the amplifier. DSM (Discrete Surface Mount) DSM utilize 1% tight-tolerances improving efficiency of the circuit, decreases cross-talk from other discrete components and lowers operating temperature. Dynamic Thermal Management Evenly distributes excess heat across entire amplifier heatsink. MEHSA 3 MEHSA 3 reduces MOSFET temperatures, lowers distortion, increases durability and prolongs the output device life span. NOMAD NOMAD is a real time analog computer that protects your amplifier from shorting speaker wires and dangerously low speaker impedances. Punch EQ2 Onboard equalizer with up to +18dB @ 35Hz and/or up to +12dB boost at 12kHz. TO-247 MOSFETs Rockford Fosgate amps use custom TO-247 MOSFETs. These have 60% more metal tab area for more power capacity, lower impedance and improved heat dissipation over traditional TO-220 MOSFETs found in competitor amps. TRANS·ana Trans·ana simplifies the signal path of the amplifier allowing the signal to travel through the amplifier at a lower voltage. The result is greater reliability and exceptional sound quality. P500-2 Specifications Number of Channels: 2 Rated Power: 125 Watts RMS x 2 @ 4-Ohms 250 Watts RMS x 2 @ 2-Ohms 500 Watts RMS x 1 @ 4-Ohms Bridged/Mono Total Power: 500 Watts Dynamic Power: 229 Watts x 2 @ 4-Ohms 0 degrees Res 371 Watts x 2 @ 2-Ohms 0 degrees Res Bridgeable: Yes Efficiency (average): 71% @ 4-Ohm 66% @ 2-Ohm Crossover Controls: High-Pass (HP): 50Hz-500Hz 12dB/octave Butterworth Low-Pass (LP): 50-500Hz 12dB/octave Butterworth Tone Controls: Punch EQ2 Bass: 0dB to +18dB @ 45Hz and/or Punch EQ2 Treble: 0dB to +12dB @ 12kHz Function depends upon LP/AP/HP switch position Signal Input: Low level: 1 RCA pair Signal Output: Low level: 1 RCA pair Power Input Connector: Block Power Wire Gauge: 4 AWG Speaker Output Connector: Screw terminal barrier strip Speaker Wire Gauge: 8 AWG to 18 AWG Heat Sink Type: Cast aluminum Cooling: Convection Remote Controls: Optional PEQ Remote Punch EQ (overrides built-in Punch EQ2) Visual Indicators: Power Thermal Protect Circuit Topology Class: Class A/B Frequency Response: 20Hz to 20kHz +/- 1dB Shipping Weight: 8.89 Lbs. (4.03 Kg.) Dimensions (HxWxL): 2.25 x 7.625 x 13.02 (in) 5.71 x 19.37 x 33.07 (cm) Thirty Years of Rockford Fosgate Rockford Fosgate products have been designed and engineered in Tempe, Arizona since the beginning. Rockford's 30 year reputation is grounded in engineering and manufacturing some of the finest audio products in the world. The company's no-compromise approach has yielded patented iconic products such as the Punch EQ, Punch 45 amplifier and the 3Sixty integrated signal processor. Today, Rockford's new products push the performance envelope even further. Each new product is a step forward--they sound bigger, they play louder, and run longer. Rockford never settles for good enough. The 2010 product line represents the company's core philosophy. Rockfords new amplifiers, speakers and subwoofers have raised the bar on the competition. What's in the Box Rockford Fosgate Punch P500-2 500-Watt Stereo Amplifier, User's Manual Need More Amp? If you need more features, step up to the Power Series T600-2 . Rockford Fosgate Punch Series Power Amplifiers Rockford Fosgate Punch P200-2 200-Watt Stereo Amplifier Rockford Fosgate Punch P300-1 300-Watt Mono Amplifer Rockford Fosgate Punch P300-2 300-Watt Stereo Amplifer Rockford Fosgate Punch P400-1 400 Watt Mono Amplifier Rockford Fosgate Punch P400-2 400-Watt Stereo Amplifier Rockford Fosgate Punch P400-4 400-Watt Multi Channel Amplifer Rockford Fosgate Punch P500-1BD 500-Watt Mono Amplifer Rockford Fosgate Punch P500-2 500-Watt Stereo Amplifer Rockford Fosgate Punch P500-4 500 Watt Multi Channel Amplifier Rockford Fosgate Punch P700-1BD 700 Watt Mono Amplifier Rockford Fosgate Punch P1000-1BD 1000-Watt Mono Amplifer.
B00KB3GAMI Availability: Currently unavailable Score: 9.615 Category: Electronics Rating: 3.8 Votes: 11 Find similar products Alpine PDR-F50 4/3/2 Channel 500 Watt Amplifier. The PDR-Power amplifiers offer the best performance in their class, redefining expectations in the high-power amplifier category. Thanks to trickle-down technology, our in-house engineering team has taken many of the patent-pending technologies introduced in the industry-leading PDX series and infused them in the new PDR-Power amplifiers. The PDR-Power amps provide you with the absolute widest bandwidth, best signal-to-noise, lowest distortion and highest damping factor of any amplifier in their class without sacrificing power. Overview Class-D Performance PDX Technology Inside Rotatable Illuminated Alpine Badge Top-Side Control Panel Voltage ON/OFF Sensing for OEM Upgrade Built-in Crossover & Bass EQ Remote Bass (RUX-KNOB) Compatible Sound Quality Small, Powerful Design The new PDR-Power series amplifiers have decreased in size compared to the X-Power, yet they pack in much more flexibility, durability with Alpine sound quality. Standing Alone in the Clarity Class Ultra-Wide Frequency Bandwidth: This super-wide, industry leading frequency range offers listeners unparalleled sound quality and detail that bests even the most high-end audiophile equipment. Best Signal-to-Noise: In order to ensure that all of the industry-leading sound quality is heard at your ears, we’ve worked to create a platform that offers an unbelievably low noise floor, taking extra care to ensure a clean signal path, with no extraneous inferences. Unequaled Reliability Excessive heat is the enemy of amplifiers and under extreme conditions will result in most amps shutting down completely. PDR-Power amps use a special Multi-Stage Power Management circuit that continuously monitors critical component temperatures throughout the amplifier and decreases power output if anything gets too hot.	B0002CNQ6Q Availability: Currently unavailable Score: 9.434 Category: Electronics Rating: 4.6 Votes: 26 Find similar products Rockford Fosgate P400-4 400 Watt 4-Channel Amplifier. Product Description Since day one, we have spearheaded the car audio revolution. Nothing has changed. Rockford Fosgate is still the global leader in audio innovation and your passion is our purpose. We engineer the best audio systems for your lifestyle! Amazon.com The P400-4 is perfect for 4-way front-stage/rear-fill or 3-way front-stage/subwoofer systems. Simply drop a pair of component speakers on the front channels and subs on the rear and BOOM--you got The PUNCH. With its flexible design, the P400-4 is an excellent amplifier choice for virtually any vehicle. Rockford Fosgate Punch Series Amplification For over 25 years, Punch amplifiers have set the standard in the car audio amplifier industry and they continue to do so today. It's the reason that they have become the most popular amplifiers in the world. Each of the Punch family amplifiers reproduce sonic perfection along with impressive power in a compact chassis. Perfect for 4-way front-stage/rear-fill or 3-way front-stage/subwoofer systems. Click to enlarge. All connections are recessed into the amplifier's chassis and located on the bottom edge of the P400-4, for a clean, uncluttered install that looks great in any car. Click to enlarge. P400-4 Features Features: 12dB/octave crossover 12dB/octave crossover 2/4 channel switch 2/4 channel switch 4 Gauge power/ground terminals 4 Gauge power/ground terminals Audiophile grade speaker connections Audiophile grade speaker connections MOSFET output stage MOSFET output stage MOSFET power supply MOSFET power supply Top Mounted LED Indicators CEA-2006 Compliant Power ratings on Rockford Fosgate amplifiers conform to CEA-2006 industry standards. These guidelines mean your amplifier's output power ratings are REAL POWER numbers, not inflated marketing ratings. Differential Inputs Differential input circuitry measures the voltage of both the (+) and (-) input signal. The circuitry subtracts the voltage common to both conductors (noise) resulting in only the clean signal. This allows only clean signal to enter the amplifier. DSM (Discrete Surface Mount) DSM utilize 1% tight-tolerances improving efficiency of the circuit, decreases cross-talk from other discrete components and lowers operating temperature. Dynamic Thermal Management Evenly distributes excess heat across entire amplifier heatsink. MEHSA3 MEHSA3 reduces MOSFET temperatures, lowers distortion, increases durability and prolongs the output device life span. NOMAD NOMAD is a real time analog computer that protects your amplifier from shorting speaker wires and dangerously low speaker impedances. Punch EQ2 Onboard equalizer with up to +18dB @ 35Hz and/or up to +12dB boost at 12kHz. TO-247 MOSFETs Rockford Fosgate amps use custom TO-247 MOSFETs. These have 60% more metal tab area for more power capacity, lower impedance and improved heat dissipation over traditional TO-220 MOSFETs found in competitor amps. TRANS·ana Trans·ana simplifies the signal path of the amplifier allowing the signal to travel through the amplifier at a lower voltage. The result is greater reliability and exceptional sound quality. P400-4 SpecificationsNumber of Channels: 4 Rated Power: 50W x 4 @ 4-Ohms RMS 100W x 4 @ 2-Ohms RMS 200W x 2 @ 4-Ohms bridged RMS Total Power: 400 Watts Dynamic Power: Front Channels 86 Watts x 2 @ 4-Ohms 0 degrees Res 144 Watts x 2 @ 2-Ohms 0 degrees Res Rear Channels 85 Watts x 2 @ 4-Ohms 0 degrees Res 142 Watts x 2 @ 2-Ohms 0 degrees Res Bridgeable: Yes Efficiency (average): 71% @ 4-Ohm 70% @ 2-Ohm Crossover Controls: Front High-Pass (HP): 50-500Hz 24dB/octave Butterworth Front Low-Pass (LP): 50-500Hz 24dB/octave Butterworth Rear High-Pass (HP): 50-500Hz 24dB/octave Butterworth Rear Low-Pass (LP): 50-500Hz 24dB/octave Butterworth Tone Controls: Front Punch EQ2 Bass: 0dB to +18dB @ 45Hz and/or Front Punch EQ2 Treble: 0dB to +12dB @ 12kHz Rear Punch EQ2 Bass: 0dB to +18dB @ 45Hz and/or Rear Punch EQ2 Treble: 0dB to +12dB @ 12kHz Function depends upon LP/AP/HP switch position Signal Input: Low level: 2 RCA pair Signal Output: n/a Power Input Connector: Block Power Wire Gauge: 4 AWG Speaker Output Connector: Screw terminal barrier strip Speaker Wire Gauge: 8 AWG to 18 AWG Heat Sink Type: Cast aluminum Cooling: Convection Remote Controls: Optional PEQ Remote Punch EQ (overrides built-in Punch EQ2 for rear channels only) Visual Indicators: Power Thermal Protect Circuit Topology Class: Class A/B Frequency Response: 20Hz to 20kHz +/- 1dB Shipping Weight: 8.89 Lbs. (4.03 Kg.) Dimensions (HxWxL): 2.25 x 7.625 x 13.02 (in) 5.71 x 19.37 x 33.07 (cm) Thirty Years of Rockford Fosgate Rockford Fosgate products have been designed and engineered in Tempe, Arizona since the beginning. Rockford's 30 year reputation is grounded in engineering and manufacturing some of the finest audio products in the world. The company's no-compromise approach has yielded patented iconic products such as the Punch EQ, Punch 45 amplifier and the 3Sixty integrated signal processor. Today, Rockford's new products push the performance envelope even further. Each new product is a step forward--they sound bigger, they play louder, and run longer. Rockford never settles for good enough. The 2010 product line represents the company's core philosophy. Rockfords new amplifiers, speakers and subwoofers have raised the bar on the competition. What's in the Box Rockford Fosgate Punch P400-4 400-Watt Stereo Amplifier, User's Manual More Amplifier Options From Rockford Fosgate If you need more features, step up to the Power Series T400-4. On a Tighter Budget? Rockford's also got you covered. Consider the Prime Series R300-4. Rockford Fosgate Punch Series Power AmplifiersRockford Fosgate Punch P200-2 200-Watt Stereo Amplifier Rockford Fosgate Punch P300-1 300-Watt Mono Amplifer Rockford Fosgate Punch P300-2 300-Watt Stereo Amplifer Rockford Fosgate Punch P400-1 400 Watt Mono Amplifier Rockford Fosgate Punch P400-2 400-Watt Stereo Amplifier Rockford Fosgate Punch P400-4 400-Watt Multi Channel Amplifer Rockford Fosgate Punch P500-1BD 500-Watt Mono Amplifer Rockford Fosgate Punch P500-2 500-Watt Stereo Amplifer Rockford Fosgate Punch P500-4 500 Watt Multi Channel Amplifier Rockford Fosgate Punch P700-1BD 700 Watt Mono Amplifier Rockford Fosgate Punch P1000-1BD 1000-Watt Mono Amplifer Top Mounted LED Indicators CEA-2006 Compliant Power ratings on Rockford Fosgate amplifiers conform to CEA-2006 industry standards. These guidelines mean your amplifier's output power ratings are REAL POWER numbers, not inflated marketing ratings. Differential Inputs Differential input circuitry measures the voltage of both the (+) and (-) input signal. The circuitry subtracts the voltage common to both conductors (noise) resulting in only the clean signal. This allows only clean signal to enter the amplifier. DSM (Discrete Surface Mount) DSM utilize 1% tight-tolerances improving efficiency of the circuit, decreases cross-talk from other discrete components and lowers operating temperature. Dynamic Thermal Management Evenly distributes excess heat across entire amplifier heatsink. MEHSA 3 MEHSA 3 reduces MOSFET temperatures, lowers distortion, increases durability and prolongs the output device life span. NOMAD NOMAD is a real time analog computer that protects your amplifier from shorting speaker wires and dangerously low speaker impedances. Punch EQ2 Onboard equalizer with up to +18dB @ 35Hz and/or up to +12dB boost at 12kHz. TO-247 MOSFETs Rockford Fosgate amps use custom TO-247 MOSFETs. These have 60% more metal tab area for more power capacity, lower impedance and improved heat dissipation over traditional TO-220 MOSFETs found in competitor amps. TRANS·ana Trans·ana simplifies the signal path of the amplifier allowing the signal to travel through the amplifier at a lower voltage. The result is greater reliability and exceptional sound quality. P400-4 Specifications Number of Channels: 4 Rated Power: 50W x 4 @ 4-Ohms RMS 100W x 4 @ 2-Ohms RMS 200W x 2 @ 4-Ohms bridged RMS Total Power: 400 Watts Dynamic Power: Front Channels 86 Watts x 2 @ 4-Ohms 0 degrees Res 144 Watts x 2 @ 2-Ohms 0 degrees Res Rear Channels 85 Watts x 2 @ 4-Ohms 0 degrees Res 142 Watts x 2 @ 2-Ohms 0 degrees Res Bridgeable: Yes Efficiency (average): 71% @ 4-Ohm 70% @ 2-Ohm Crossover Controls: Front High-Pass (HP): 50-500Hz 24dB/octave Butterworth Front Low-Pass (LP): 50-500Hz 24dB/octave Butterworth Rear High-Pass (HP): 50-500Hz 24dB/octave Butterworth Rear Low-Pass (LP): 50-500Hz 24dB/octave Butterworth Tone Controls: Front Punch EQ2 Bass: 0dB to +18dB @ 45Hz and/or Front Punch EQ2 Treble: 0dB to +12dB @ 12kHz Rear Punch EQ2 Bass: 0dB to +18dB @ 45Hz and/or Rear Punch EQ2 Treble: 0dB to +12dB @ 12kHz Function depends upon LP/AP/HP switch position Signal Input: Low level: 2 RCA pair Signal Output: n/a Power Input Connector: Block Power Wire Gauge: 4 AWG Speaker Output Connector: Screw terminal barrier strip Speaker Wire Gauge: 8 AWG to 18 AWG Heat Sink Type: Cast aluminum Cooling: Convection Remote Controls: Optional PEQ Remote Punch EQ (overrides built-in Punch EQ2 for rear channels only) Visual Indicators: Power Thermal Protect Circuit Topology Class: Class A/B Frequency Response: 20Hz to 20kHz +/- 1dB Shipping Weight: 8.89 Lbs. (4.03 Kg.) Dimensions (HxWxL): 2.25 x 7.625 x 13.02 (in) 5.71 x 19.37 x 33.07 (cm) Thirty Years of Rockford Fosgate Rockford Fosgate products have been designed and engineered in Tempe, Arizona since the beginning. Rockford's 30 year reputation is grounded in engineering and manufacturing some of the finest audio products in the world. The company's no-compromise approach has yielded patented iconic products such as the Punch EQ, Punch 45 amplifier and the 3Sixty integrated signal processor. Today, Rockford's new products push the performance envelope even further. Each new product is a step forward--they sound bigger, they play louder, and run longer. Rockford never settles for good enough. The 2010 product line represents the company's core philosophy. Rockfords new amplifiers, speakers and subwoofers have raised the bar on the competition. What's in the Box Rockford Fosgate Punch P400-4 400-Watt Stereo Amplifier, User's Manual More Amplifier Options From Rockford Fosgate If you need more features, step up to the Power Series T400-4 . On a Tighter Budget? Rockford's also got you covered. Consider the Prime Series R300-4 . Rockford Fosgate Punch Series Power Amplifiers Rockford Fosgate Punch P200-2 200-Watt Stereo Amplifier Rockford Fosgate Punch P300-1 300-Watt Mono Amplifer Rockford Fosgate Punch P300-2 300-Watt Stereo Amplifer Rockford Fosgate Punch P400-1 400 Watt Mono Amplifier Rockford Fosgate Punch P400-2 400-Watt Stereo Amplifier Rockford Fosgate Punch P400-4 400-Watt Multi Channel Amplifer Rockford Fosgate Punch P500-1BD 500-Watt Mono Amplifer Rockford Fosgate Punch P500-2 500-Watt Stereo Amplifer Rockford Fosgate Punch P500-4 500 Watt Multi Channel Amplifier Rockford Fosgate Punch P700-1BD 700 Watt Mono Amplifier Rockford Fosgate Punch P1000-1BD 1000-Watt Mono Amplifer From the Manufacturer From the Manufacturer Manufacturer's Description (November 1, 2008) If you're considering a new car audio system or just want to upgrade your current system, Rockford Fosgate equipment is a solid foundation on which to build. Rockford is one of the oldest and most respected brands in car audio history, and has been pumping out high quality, great-sounding gear since 1973. By pioneering ideas like the Punch EQ (boosting frequencies below 45Hz and above 20Khz for improved in-car music response) and using MOSFET circuitry to power in-car amplifiers, Rockford Fosgate paved the way for modern in-car electronics and hasn't slowed down since. The P400-4 features an ultra-small small footprint, and a clean, simple design that looks great no matter where it's installed. Dynamic Thermal Management ensures even heat dissipation across the entire heatsink for maximum efficiency and cooling. Rockford Fosgate amplifiers combine raw, clean power, with sleek, smart designs that are easy to install and look great in any car. All Rockford amps are CES-2006 compliant, which means the power listed is the actual power delivered, and each amp includes a birth certificate to prove it. But don't let the small size fool you; this petite powerhouse, which can easily fit under any seat, packs quite a punch! The P400-4 is the perfect companion for two pairs of coaxial or component speakers, or a pair of speakers and a simple subwoofer system. The P400-4 delivers 50 watts of clean power to for channels in stereo mode, or 200 watts per channel when bridged down to a two channel amp. But what exactly sets a Rockford Fosgate amplifier apart from the competition? Plenty. Keeping Things Clean and Cool The amplifier's job is to produce power, and lots of it. But a side effect of creating power is heat, and that is an electronic component's worst enemy. Rockford tackles this problem by incorporating a cast aluminum heat sink, Dynamic Thermal Management, and MEHSA³ technology to every amplifier, resulting in a significant reduction of the amplifier's operating temperature. The cast aluminum heat sink surrounds three of the four sides of the amplifier's circuit board, which maximizes the cooling surface area, and since the heat sink is cast it offers 30% better cooling ability over extruded designs. When combined with Rockford's patented Dynamic Thermal Management (DTM), cooling efficiency is taken one step further. DTM distributes heat evenly across the heat sink where other heat sink designs can create dangerous hot spots in the amplifier. Rockford also developed MEHSA³ technology for the MOSFET (metal–oxide–semiconductor field-effect transistor ) power transistors. MEHSA³ (Maximum Efficiency Heat Sink Application- Third Generation) maximizes heat transfer from the MOSFETs to the heat sink for up to five times better heat transfer. By keeping the internal components cool, the amplifier maximizes efficiency, produces more power, and reduces distortion for increased sound quality. Not only does the P400-4 produce lots of clean power, it also delivers exceptional sound quality. Differential input circuitry measures the positive and negative input signal as it enters the amp and subtracts the voltage common to both conductors (noise), resulting in a crisp, clean signal for maximum sound quality. The use of TRANS-ana circuitry, borrowed from pro-audio company, Hafler, also adds to the sound quality recipe. The TRANS-ana circuit simplifies the audio signal and allows it to travel through the amplifier as a low voltage signal before it reaches the amplification stage. This improves the sound quality of the signal, delivers cleaner performance, and improved reliability. The P400-4's TO-247 MOSFET power transistors offer 60% more metal tab area than the industry standard TO-220 MOSFETs, which means more power, better cooling, and improved sound quality. Once the signal reaches the amplification stage, it's greeted by much beefier MOSFETs than what is traditionally used in most amplifiers. Rockford uses TO-247 MOSFETs compared to the somewhat standard and less efficient TO-220 MOSFETs. TO-247s offer 60% more metal tab area, which means more power capacity, better heat dissipation, and lower impedance capability. In other words, these things produce some serious power with very little effort. Sound Shaping and Equalization Upgrading speakers and adding subwoofers will always improve your sound system, but in order to maximize how well the speaker performs requires a bit of equalization and sound shaping. Door and dash speakers can play a pretty broad range of frequencies, but realistically cannot produce the ultra-low frequencies that a subwoofer is designed to produce. Just the opposite is true for a subwoofer. It cannot produce mid or high frequencies well; its job is to pump out gut-punching bass. To make sure your speakers are working at their maximum efficiency, Rockford incorporated a fully variable 12db high-pass and low-pass crossover into the 400-4. With a twist of the dial, the high-pass crossover can be adjusted to eliminate any frequencies below a certain point between 50Hz and 500Hz. If using the 400-4 for a subwoofer system, switch on the low-pass crossover and adjust the crossover to eliminate higher frequencies, adjustable between 50HZ and 500Hz. The Punch EQ can be tweaked to deliver up to an 18dB increase at 45Hz for subwoofers, or up to a 12dB increase at 12kHz for speakers. This improves overall sound quality and overcomes audio response problems common to the automotive environment. Rockford Fosgate built a reputation around the Punch EQ, which is incorporated into their Punch amplifiers, and allows the amp to better shape the sound quality of your speaker or subwoofer system. When using the high-pass crossover, the Punch EQ can boost high frequencies above 12kHz anywhere from 0-12dB. This frequency range is often lost to road noise and other factors, and the Punch EQ allows you to dial up that range for perfect sound. If the low-pass filter is on, the Punch EQ can add a bit of boost (up to 18dB) to the 45Hz frequency range. This gives you the ability to dial in a little extra rib-rattling bass to your music that can be lost due to the compact size of most car interiors. Making the Connection All controls and connections are located on one edge of the amplifier, making it easy to access all controls and guaranteeing an easy, clutter-free installation. The P400-4 will accept up to 4-gauge power and ground wire, and all connections are neatly housed in c-clamp type connectors that terminate inside the amp's chassis. This adds a cleaner appearance to your install and ensures no fly-away wires can stray to other terminals causing possible shorts. All connections are recessed into the amplifier's chassis and located on the bottom edge of the P400-4, for a clean, uncluttered install that looks great in any car. Speaker connections also use a similar clean audiophile design, and will accept up to 12-gauge wire for maximum signal transfer to your speakers or subs. The amp features a single RCA connection flush with the amp's chassis, further enhancing the overall clean appearance. An RJ-45 jack is for connecting an optional remote-mounted Punch EQ control and is located next to the crossover and Punch EQ controls. The remote PEQ controller can be installed up front and within easy reach to give you on-the-fly control of your Punch EQ settings. Pushing Power The P400-4 is a flexible amplifier and is stable at two-ohms. This amp is perfect for powering front and rear speakers in four-channel mode, delivering 50 watts of clean power to each speaker. Or you can mix things up a bit and use the P400-4 to drive two front coaxial or component speakers at 50 watts RMS and bridge the rear channel to deliver 200 watts to a subwoofer. What’s in the Box P400-4 amplifier, Installation & operation manual, Warranty See more.
B0813YJTKY Availability: Currently unavailable Score: 9.091 Category: Electronics Rating: 5 Votes: 5 Find similar products AR1-2500D Monoblock Amplifier 2500W Class D 1 Ohm Stable Car Audio. 1 Ohm Stable Class D Monoblock Subwoofer Amplifier Bridge 2 AR1-2500D for 5000W Max Power (2Ohm) Military Grade PCB w/ PWM MOSFET Power Supply Direct Short, Thermal & Overload Circuit Protection Low Level / RCA Input w/ Bridged Operation Outputs Variable 30-80Hz 0-12dB Bass Boost Variable 12 dB Low Pass Crossover Variable 12 dB Subsonic Crossover 4G Power Wire & 4G Speaker Wire Outputs Dash Mount Control Knob Included 500W x 1 @ 4 Ohm 850W x 1 @ 2 Ohm 1250W x 1 @ 1 Ohm 2500W Max Power.	B092GCJXNH Price: $187.67 Score: 9.091 Category: Electronics Rating: 2.9 Votes: 4 Find similar products Audiopipe APEL18001 1800W Mono Block Amplifier. 1 1722 Watts Rms 1 Ohm. X 1104 Watts Rms 2 Ohms. X 650 Watts Rms 4 Ohms. Dim (W H L) 9.2″ 2.2″ 11.8″. Current Draw: 168A (Fuse Holder Not Included). Class D. Ohm Stable. Frequency Response: 18 180 Hz. Distortion: 0.5%. Low Pass Filter: 40 180 Hz. Subsonic Filter: – 50 Hz. Bass Boost: – 12Db. Phase Control. Rca In/Outputs. Temperature Protection. Remote Bass Control.