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B003CYL7M6 Availability: Currently unavailable Score: 1000.000 Category: Electronics Rating: 3.1 Votes: 6 Find similar products Power Acoustik CPT2-400 2 Channel 400 Watt MOSFET 2-ohm Stereo, 4-ohm Bridged Tri-Mode Capable with Selectable 45Hz, 6/12dB Bass Boost. Big Power - Small price! • 2-ohm Stereo, 4-ohm Bridged Stable Class A/B • Tri-Mode Capable • Fixed HPF 80Hz (2ch. models ) • Variable 12dB 50-250Hz HPF (4ch. models) • Variable 12dB 50-250Hz LPF • Selectable 45Hz, 6/12dB Bass Boost • Frequency Response: 10Hz - 20kHz • Signal-to-Noise Ratio: 90dB • Total Harmonic Distortion: .01% • 4 ga. Power & 8 ga. Speaker Terminals • Extruded Aluminum Chassis • Black Texture Finish w/ Silver Trim & Cast Metal Badge • MOSFET PSU Transistors • Regulated PWM Power Supply • Three-Way Protection Circuitry (short, thermal & overload) • High Pass, Low Pass, and Subsonic Filters • Pre-Amp Outputs • 200mV-8V Low Level Inputs • 4 ga. Power & 8 ga. Speaker Terminals.	B003CYL7NU Availability: Currently unavailable Score: 100.000 Category: Electronics Rating: 3.7 Votes: 6 Find similar products Power Acoustik CPT4-800 4 Channel 800 Watt MOSFET 2-ohm Stereo, 4-ohm Bridged Tri-Mode Capable with Selectable 45Hz, 6/12dB Bass Boost. Big Power - Small price! • 2-ohm Stereo, 4-ohm Bridged Stable Class A/B • Tri-Mode Capable • Fixed HPF 80Hz (2ch. models ) • Variable 12dB 50-250Hz HPF (4ch. models) • Variable 12dB 50-250Hz LPF • Selectable 45Hz, 6/12dB Bass Boost • Frequency Response: 10Hz - 20kHz • Signal-to-Noise Ratio: 90dB • Total Harmonic Distortion: .01% • 4 ga. Power & 8 ga. Speaker Terminals • Extruded Aluminum Chassis • Black Texture Finish w/ Silver Trim & Cast Metal Badge • MOSFET PSU Transistors • Regulated PWM Power Supply • Three-Way Protection Circuitry (short, thermal & overload) • High Pass, Low Pass, and Subsonic Filters • Pre-Amp Outputs • 200mV-8V Low Level Inputs • 4 ga. Power & 8 ga. Speaker Terminals.
B07GLZZS3G Price: $15.88 Score: 8.333 Category: Electronics Rating: 4.8 Votes: 15 Find similar products LM4562NA/NOPB LM4562NA LM4562 Dual High-Performance Audio Operational Amplifier with Ultra Low Distortion IC (Pack of 2). The LM4562 is part of the ultra-low distortion, low-noise, high-slew-rate operational amplifier series optimized and fully specified for high-performance, high-fidelity applications. The LM4562 audio operational amplifiers deliver superior audio signal amplification for outstanding audio performance. The LM4562 combines extremely low voltage noise density (2.7nV/√Hz) with vanishingly low THD+N (0.00003%) to easily satisfy the most demanding audio applications. To ensure that the most challenging loads are driven without compromise, the LM4562 has a high slew rate of ±20V/µs and an output current capability of ±26mA. Further, dynamic range is maximized by an output stage that drives 2kΩ loads to within 1V of either power supply voltage and to within 1.4V when driving 600Ω loads. The LM4562's outstanding CMRR (120dB), PSRR (120dB), and VOS (0.1mV) give the amplifier excellent operational amplifier DC performance. The LM4562 has a wide supply range of ±2.5V to ±17V. Over this supply range the LM4562’s input circuitry maintains excellent common-mode and power supply rejection, as well as maintaining its low input bias current. The LM4562 is unity gain stable. This Audio Operational Amplifier achieves outstanding AC performance while driving complex loads with values as high as 100pF.	B00BQO0C7K Availability: Currently unavailable Score: 8.333 Category: Electronics Rating: 2.8 Votes: 13 Find similar products Lanzar 4,000 Watt Car Power Amplifier - 4-Channel SMD Class A/B MOSFET, RCA Input, Amp Power Supply, Bass Boost, Mobile Audio, Amplifier for Car Speakers, Car Electronics, Crossover Network EV484. Lanzar Model : EV484 4,000 Watt 4 Channel SMD Class AB Power Amplifier 4 x 500 Watts RMS Power at 4 Ohms 4 x 500 Watts RMS Power at 4 Ohms 4 x 1,000 Watts Peak Power at 4 Ohms 4 x 1,000 Watts Peak Power at 4 Ohms 2 x 1,000 Watts RMS Power at 4 Ohm Bridged 2 x 1,000 Watts RMS Power at 4 Ohm Bridged 2 x 2,000 Watts Peak Power at 4 Ohm Bridged 2 x 2,000 Watts Peak Power at 4 Ohm Bridged Variable Low Pass Filter : 50Hz - 500Hz Variable Low Pass Filter : 50Hz - 500Hz Variable High Pass Filter : 50Hz - 500Hz Variable High Pass Filter : 50Hz - 500Hz Variable Bass Boost : 0 - 18dB@60Hz FIX Variable Bass Boost : 0 - 18dB@60Hz FIX Input Sensitivity: Low: 200mV-6V, High: 400mV~12V Input Sensitivity: Low: 200mV-6V, High: 400mV~12V THD : <0.05% THD : <0.05% S/N Ratio : >100dB S/N Ratio : >100dB Channel Separation : >60dB Channel Separation : >60dB Frequency Response : 15Hz - 40KHz Frequency Response : 15Hz - 40KHz Electronic Crossover Network Electronic Crossover Network Bridgeable at 4 Ohms Bridgeable at 4 Ohms 2 Ohm Stereo Stable 2 Ohm Stereo Stable Tri-mode Capable Tri-mode Capable Double Side Epoxy PCB Circuit Board Double Side Epoxy PCB Circuit Board Nickel Plated RCA Inputs Nickel Plated RCA Inputs Line Outs For Left and Right Channels Line Outs For Left and Right Channels Low Pass Filter Controls Low Pass Filter Controls High Pass Filter Controls High Pass Filter Controls Power & Protection LED Indicator Power & Protection LED Indicator Thermal, Over load & Speaker Short Protection Thermal, Over load & Speaker Short Protection Soft Turn-on/Turn-Off Soft Turn-on/Turn-Off Top Control PANNEL GREEN Illumination Top Control PANNEL GREEN Illumination Fuse Rating: 40A x 3 Fuse Rating: 40A x 3 Dimensions: 8.97''(W) x 2.41''(H) x 17.16''(L) Dimensions: 8.97''(W) x 2.41''(H) x 17.16''(L) Lanzar's New Evolution Series Amplifiers provide high-performance sound reinforcement for all of your mobile audio equipment. The versatility enables compatibility with optional equalizers, frequency dividing crossover networks and other audio processors to improve virtually any vehicle's customized system configuration. Select model Amplifier features include variable high and low pass filters, hi-tech SMD circuitry, nickel-plated RCA inputs, double-sided epoxy PCB circuit boards, bass boost variability, and plenty more features to evolve your audio.
B07L5CRQ7T Price: $649.76 Score: 8.197 Category: Electronics Rating: 4 Votes: 18 Find similar products Reisong - BOYUURANGE A20 Hi-Fi Intergrated Amplifier KT88 Tube Single-end Class A 4ND VU Meter. You should take about 30-100h time to operate the amp.RUN-IN to the amp gives it's best and stable sound.so during the first 100h use time the sound maybe is not the best,you can also use your own run-in method. Specifications: Output Power: 8W * 2 (Ultra-linear connection) Frequency response: 20Hz-35KHz Output Impedance: 4,8Ω Total harmonic distortion: ≤ 1% (1kHz) Input Sensitivity: 750MV Input impedance: 100KΩ (three sets of input signal) Voltage amplification: Dawn 6J8PJ × 2. Power output tube: KT88 × 2. Rectifier tube: 5Z3PA-T × 1 Dimensions (W×D×H): 366×300 (including knob) × 185mm SNR: 89dB Weight: about 16.5 kg (114 power transformers, export version) Gross weight: 18kg Power Supply Voltage: AC 110V-120V/50Hz-60Hz(For United States） Features: With power tube current monitoring circuit, tube replacement upgrade ease. Medical grade 5Z3PA-T rectification. Imported 0.35 core output amplifier audio dedicated core, core stack thickness 86-50, A20 flux of 13,000 Output transformer potting techniques, ensure that the output of the amplifier stability and reliability Double chassis design，not easy deformed. Output amplifier with a new imported 0.35 core manufacturing, high-purity copper wire package enameled, layered segmentation, string and connection method Imported 0.35 thick core manufacturing power amplifiers Output amplifier with high-grade stretch amplifier housing cover. Power Transformers: new imported 0.35, stack thickness 60MM (114-60). Output amplifier core: core 0.35 new imported thick high silicon (86-50). Japanese production of ALPS potentiometer. Chassis: mirror stainless steel chassis.	B01B9KH6B0 Availability: Currently unavailable Score: 8.197 Category: Electronics Rating: 5 Votes: 2 Find similar products Soundstream PA1.3500D Picasso Series 3500W Class D 1-Channel Amplifier. Picasso amplifiers are the next step in performance and value. Taking advantage of our tried and true class A/B full range and improved efficiency class D monoblock platforms. Picasso amplifiers continue down the road of reliability and longevity you know well. MOSFET Power Supply. Direct Short, Thermal, & Overload Circuits Protect. Amplifier High Level Input with Signal Sense Auto Turn-on. 200mV-6V Low Level RCA Audio Inputs. Variable 12dB High Pass, Low Pass, & Subsonic Crossovers.
B0013BY1LO Availability: Currently unavailable Score: 7.937 Category: Electronics Rating: 5 Votes: 1 Find similar products Clarion APX290M 2/1 Channel 360 Watts Maximum Amplifier. 360 Watts of Maximum Music Power 90W x 2 into 4 Ohms, 20Hz - 50kHz @ <.1%THD 180W x 2 into 2 Ohms, 20Hz - 50kHz @ <.1% THD Variable Bass Extender, 0 - 15dB @ 45Hz Adjustable -12db/Oct. High/Low Pass Crossover, 55 - 550Hz, 550 - 5.5kHz Mixed Mode Operation Conformal Coated Double Sided PCB Non-Corrosive Aluminum Heat Sink Dimensions 10-1/2 x 9-1/8 x 2-1/4.	B07GNVP4P8 Availability: Currently unavailable Score: 7.752 Category: Electronics Rating: 4.5 Votes: 52 Find similar products Burr Brown OPA2134PA OPA2134 - Dual HiFi Audio OpAmp (Pack of 2). The OPA2134 series are ultra-low distortion, low-noise operational amplifiers fully specified for audio applications. A true FET input stage is incorporated to provide superior sound quality and speed for exceptional audio performance. This, in combination with high output drive capability and excellent DC performance, allows for use in a wide variety of demanding applications. In addition, the OPA134 has a wide output swing, to within 1 V of the rails, allowing increased headroom and making it ideal for use in any audio circuit.The OPA2134 SoundPlus audio operational amplifiers are easy to use and free from phase-inversion and the overload problems often found in common FET-input operational amplifiers. They can be operated from u00b12.5-V to u00b118-V power supplies. Input cascode circuitry provides excellent common-mode rejection and maintains low input bias current over its wide input voltage range, minimizing distortion. OPA2134 series operational amplifiers are unity-gain stable and provide excellent dynamic behavior over a wide range of load conditions, including high load capacitance. The dual and quad versions feature completely independent circuitry for lowest crosstalk and freedom from interaction, even when overdriven or overloaded.
B08H7N7NN6 Price: $149 Score: 7.576 Category: Electronics Rating: 4.4 Votes: 36 Find similar products Linsoul Topping L30II NFCA HiFi Headphone Amp Preamplifier with 3 Gain Settings, HPA/RCA/6.35mm Output, RCA Input, Volume Knob Control for Audiophile Musician (Blue). L30 II Amplifier Specifications THD+N@1khz(a-wt): <0.00006%@ Output=500mW(32Ω) ; <0.00005%@ Output=80mW(300Ω) THD @20-20KHZ 90KBW: <0.00008%@ Output=500mW(32Ω) ;<0.00007%@ Output=80mW(300Ω) SNR@ MAX OUT 1KHZ(a-wt): 144dB Dynamic Range@ 1KHZ(a-wt): 144dB Frequency Response: 20Hz-40kHz(± 0.05dB) Output Level: 14Vpp@ G = L; 31Vpp@ G = M; 37Vpp@ G = H AP measured noise level (a-wt): <0.7uVrms@ G = L; <0.7uVrms@ G = M; <1.5uVrms@ G = H Actual noise level * (a-wt): <0.3uVrms@ G = L; <0.3uVrms@ G = M; <1.4uVrms@ G = H Channel Crosstalk@ 1KHZ: 92dB Input sensitivity: <25Vrms@ G = L; <11.2Vrms@ G = M; <2.0Vrms@ G = H Gain: <-14.0dB@ G = L; <0dB@ G = M; <16.5dB@ G = H Output Impedance: <0.1Ω Output Power: 3500mW x2@ 16Ω THD+N<0.1%; 2700mWx2@ 32Ω THD+N<0.1%; 2000mW x2@ 64Ω THD+N<0.1% 560mW x2@ 300Ω THD+N<0.1% Load Impedance: >8Ω L30II Pre-Amplifier Specifications THD+N @1kHz (a-wt): <0.00006% THD @20-20kHz 90kBW: <0.00007% SNR @MAX OUT 1kHz (A-wt): 144dB Dynamic Range @1kHz (A-wt): 144dB Frequency Response : 20Hz-40kHz (± 0.05dB) Output Level: 14Vpp @G=L 31Vpp @G=M 37Vpp @G=H AP measured noise level (a-wt): <0.7uVrms @G=L <0.7uVrms @G=M <1.5uVrms @G=H Actual noise level* (a-wt): <0.3uVrms @G=L <0.3uVrms @G=M <1.4uVrms @G=H Channel Crosstalk @1kHz: -92dB Input sensitivity: 25Vrms @G=L 11.2Vrms @G=M 2.0Vrms @G=H Gain: -14.0dB @G=L 0dB @G=M 16.5dB @G=H Output Impedance:20Ω What’s in the Package? -1 x L30II -1 x AC adapter -1 x 6.35mm to 3.5mm converter jack -1 x Warranty card -1 x User manual Product Size：3.2cmx10.0cmx13.5cm.	B0039OGNF0 Availability: Currently unavailable Score: 7.576 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.