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B074XNDT35 Price: $8.99 Score: 1000.000 Category: Electronics Rating: 3.1 Votes: 23 Find similar products KNACRO DC 10V-24V Low-Pass Filter NE5532 Bass Tone Subwoofer Pre-Amplifier Preamp Board. Power supply voltage: DC12V-24V DC single power supply. Frequency range: 22Hz-300Hz. Audio input: mono or two-channel. Audio output: monaural. PCB Size: 78x32mm, thickness: 1.6mm. PCB Materials: FR-4 ultra-hard glass plate. Finished plate net weight: 30g. Plate mounting holes center to center spacing: 70x24mm, hole diameter: 3.2mm. Potentiometer shaft center to center spacing: 32.5mm. Special reminder: This board is a board bass preamp, directly connected to the speaker will not say anything, must be connected to the subsequent stage amplifier board made of pure active subwoofer to speak, pure stage power amplifier board selected according to individual needs of the degree of shock, The greater the power of pure power amp bass more shocking. The so-called low-pass filter plate is to filter the human voice more than treble part, retain the low frequency part is amplified to improve the bass reproduction efforts will not hear the human voice and high-frequency sound when playing the instrument. The buyer must understand this knowledge, in order to avoid the only, do not know how to use. Most of the market before the subwoofer preamp board are basically dual power, the majority of DIY enthusiasts, is not very convenient to use, after all, a single power supply is relatively easy to find, the premise of guaranteeing effective, we have introduced a single-supply subwoofer home board, you can share a stage with the power amplifier boards, DIY is very convenient. Package included: 1 x Low-pass Filter NE5532 (with 2 rotary potentiometer cap).	B082KN94Y6 Availability: Currently unavailable Score: 8.929 Category: Electronics Rating: 5 Votes: 2 Find similar products HiLetgo TK2050 Dual Channel Class T Digital Stereo Audio Digital Amplifier Board HiFi Stereo Audio AMP Board 50W+50W DC19V. Description: Class T digital amplifier board, non genneric class AB as TDA7492, TPA3123 unmatched, distortion and power are not in an order of magnitude. Class T amplifier class AB amplifier sound quality comparable to both new and efficient Class D amplifier, using original Tripath's Class-T Digital TK2050 chip designed with good sound quality, low distortion, high efficiency, good use of materials, small size, appearance generous. Advantages: Compared with traditional high class AB audio amplifier, power amp or even catch up with fever Single supply design, wide DC voltage power supply The use of a fever-level audio input coupling capacitor, the sound quality is more beautiful. Specifications: Work Mode: Class T Output Power: 50W2 Audio Input: Low signal input Suitable Music Box: Any 4-8 ohm Efficiency: 92% Switching Frequency: 650KHz Working Voltage: DC12V-DC28V(recommended voltage DC19V) Static Current: 50-95mA PCB Size: 946315mm/3.72.480.59 Package includes: 1 TK2050 Class T HIFI Stereo Audio Amplifier Board.
B07TZX1YB8 Price: $19.79 Score: 8.772 Category: Electronics Rating: 5 Votes: 1 Find similar products 2x100W TPA7498 High Power Dual Audio Stereo Digital Amplifier Board for Home Theater Active Speaker. Premium Quality 2x100W TPA7498 High Power Dual Audio Stereo Digital Amplifier Board for Home Theater Active Speaker Descriptions: 100% brand new and high quality Feature: TDA7498 is a 100 w + 100 w class D audio amplifier. The IC chip adopts the single power supply, mainly used in home theater and active speakers. The naked cooling pad up TDA7498 adopted EPU hyper-threading encapsulation. Using differential input to reduce common-mode noise significantly. It has the pattern of the fault and silent mode. With intelligent protection and overheating protection function. Amplifier Board only, other accessories demo in the picture is not included! Specifications: Item Type: Amplifier Board Size: 110x64x22mm/4.3x2.5x0.8in Input Voltage: DC14-32V Output Power: 100Wx2 Output Resistance: 4-8ohm Line Type: D types Chip: TDA7498 Harmonic Distortion: Po=1W/0.05% Frequency Response Range: 18-100KHZ Switching Frequency: 360KHz Signal to Noise Ratio: 110db Color: As shown in the picture. Quantity: 1 Pc Notes: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 1 x Amplifier Board.	B07WWLM758 Price: $18.19 Score: 8.403 Category: Electronics Rating: 2.6 Votes: 6 Find similar products Wendry Amplifier Board Module,IRS2092S 500W Mono Channel Digital Amplifier Board Class D HiFi Power Amplifier Board Speaker Protection. Features: 1.Output short circuit protection. 2.Output DC bias protection speaker protection. 3.Over temperature protection: the output will turned off when the temperature of the heat sink FET is higher than 100 °C. 4.This is a pure power amplifier board, whose sensitivity of the input signal of 1.5V rms, if your input signal voltage can't reach this value, recommend add preamp. 5.Mono channel,for 2.0 channel need bid two. Specifications: Power supply: dual DC power supply ± 58-± 70V The rated output power: 500W (± 65V power supply, 4 ohm load, distortion 10%) Efficiency:> = 90% Voltage Magnification: 36 times Input sensitivity 1.5V (RMS) Output short circuit protection: Yes That output DC bias protection speaker protection: Yes Over-temperature protection: Yes, radiator FET temperature higher than 100 ° C, turn off the output! Use precautions: 1. Rated supply voltage is ±65V, ±58---±70V range, do not over 70V! positive and negative do not pick wrong 2. Recommended power supply ±65V 3. Recommended 4-8Ω / 10-18inch speaker 4. Carefully check before electricity, ensure the wiring is correct. Package list: 1 x Digital Amplifier.
B06XRS4CD1 Price: $21.6 Score: 7.874 Category: Electronics Rating: 3.9 Votes: 9 Find similar products KNACRO TPA3116 Digital Power Amplifier Board Subwoofer Amplifier Board DC 12-24V. Plate size (2017 version): 83 * 55 * 29mm (L * W * H) (not including the potentiometer protruding part 15mm), Operating voltage range: DC 12-24V; Frequency response range: Input: 20Hz-20KHz, output: 20Hz-180Hz, Audio input sensitivity: 500mV, Subwoofer impedance: 2-8Ω. Package Included: 1TPA3116 Digital Power Amplifier Board 1PH2.0-3P single plug shielded wire.	B08T5NVWVF Price: $7.84 Score: 7.752 Category: Electronics Rating: 2.9 Votes: 7 Find similar products 60W DC10-24V TPA3118 Subwoofer Amplifier Board, Mini Digital Audio Power Amplifier Module, Mono Channel Stereo Audio Amplifier Board. Specification: Model: XR-M311 Amplification type: Class D Work efficiency: 93% Chip Type: TPA3118 Supply voltage: DC10-24V Input current: 3A recommended Output power: 60W1 Frequency response range: 35Hz-88kHz Number of channels: Mono Impedance matching: 2-6 ohm Size: 554015mm / 2.161.570.59in Weight: Approx. 30g/1.06oz Package List: 1 Digital Amplifier Board Note: 1. Due to the difference between monitors and light effects, the pictures may not reflect the actual color of the item. 2. Please allow slight error due to manual measurement. Thanks for your understanding.
B00BQO0C7K Availability: Currently unavailable Score: 7.692 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.	B01HXKXAO2 Availability: Currently unavailable Score: 7.634 Category: Electronics Rating: 5 Votes: 2 Find similar products KNACRO TDA7850 Digital Audio Power Amplifier Ampli Board HiFi Stereo Audio Amplify 50W x 4 Channel DC 12-16V AMP Board with Cooling Fan. Temperature-controlled fan: IC intelligent temperature thermal control system, the chip temperature> 25 ℃ when the fan work automatically open, energy-saving design. 50W * 4 high power amplifier board, four-channel output. Dual isolation system: Audio-PBV9 dual isolation system, the audio signal separation circuit and the power supply circuit to avoid conflict and interfere with each other, effectively fidelity sound quality. Preset AOPCV-K bypass system. Power Type: DC 12-16V. Input impedance:> 10K. Output Impedance: 4-8 ohms. Core: TDA7850 chip. Cooling: efficient cooling fan. Noise suppression: double isolation. Capacitor Type: ELNA amplifier dedicated high-end coupling capacitors. Output Power: 50W * 4. For the environment: Indoor / outdoor. Size:1137919mm(LWH). Weight:125g.
B082F9ZPGT Price: $9.02 Score: 7.519 Category: Electronics Rating: 2.9 Votes: 2 Find similar products Audio Amplifier Board, TPA3116D2 2x100W Dual Channel Stereo Digital Audio Power Amplifier Board 12-24V XH-M568,4 ~ 8Ω Dual Channel Power Amplifier. Specification: Condition: Brand New Item Type: Digital Power Amplifier Board Model: XH-M568 Chip Type: TPA3116D2 Supply Voltage: DC12~24V Output Power: 100Wx2 Output Impedance: 4~8Ω Output Voltage: DC5V/DC12V Dimension: 66x58x28mm / 2.6x2.3x1.1in Mounting Hole Distance: 59.6x51.6mm / 2.35x2.03in Package Weight: 64g Package List: 1 x Digital Power Amplifier Board.	B0002ZPL66 Price: $36.75 Score: 7.407 Category: Electronics Rating: 5 Votes: 8 Find similar products Dayton Audio XO2W-3.5K 2-Way Speaker Crossover 3,500 Hz. Quick OverviewThe Dayton Audio line of 2-way crossovers were designed using a second order (12 dB/octave) Linkwitz-Riley alignment. Dayton Audio metallized polyester film capacitors are used in both the high and low pass sections. Product Highlights 18 gauge inductors were used to keep DC resistance to a minimum Unique design feature of the low pass section allows use of 4 or 8 ohm woofers All components are glued or fastened down to eliminate buzzing and vibrations High quality blue PC board uses a back plate for added rigidity Product Manuals / Spec Sheets / Downloads AddThis Sharing Buttons Share to FacebookFacebook Share to TwitterTwitter Share to MoreAddThis 6 Product Description The Dayton Audio line of 2-way crossovers were designed using a second order (12dB) Linkwitz-Riley alignment. Dayton Audio metallized polyester film capacitors are used in both the high and low pass sections. 18 gauge inductors were used to keep DC resistance to a minimum. A unique design feature of the low pass section allows use of 4 or 8 ohm woofers, perfect for building DAppolito style or multi woofer 2-way systems. The high pass crossover frequency is rated for an 8 ohm load. All components are glued or fastened down to eliminate buzzing and vibrations. The high quality blue PC board uses a back plate for added rigidity and eyelet holes for easy mounting. Available in a variety of crossover points. 300W power handling. Board measures: 6-1/2 W x 4-1/4 H x 1-3/8 D. Product Details Model Number XO2W-3.5K List Price $32.99 Unit of Measure Each UPC 844632045165 Warranty - Parts 5 Years Warranty - Labor 5 Years Product Shipping Weight (lbs.) 1 Product Weight -- Product Height 4-1/4 Product Width 6-1/2 Product Length -- Product Depth 1-3/8.