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 B01HXKXAO2 Availability: Currently unavailable Score: 1000.000 Category: Electronics Rating: 5 Votes: 2 Find similar productsKNACRO 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:113*79*19mm(L*W*H). Weight:125g. |  B07TZX1YB8 Price: $19.79 Score: 11.628 Category: Electronics Rating: 5 Votes: 1 Find similar products2x100W 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. |
 B082KN94Y6 Availability: Currently unavailable Score: 11.628 Category: Electronics Rating: 5 Votes: 2 Find similar productsHiLetgo 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: 50W*2 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: 94*63*15mm/3.7*2.48*0.59 Package includes: 1* TK2050 Class T HIFI Stereo Audio Amplifier Board. |  B07WWLM758 Price: $18.19 Score: 11.236 Category: Electronics Rating: 2.6 Votes: 6 Find similar productsWendry 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. |
 B082F9ZPGT Price: $9.02 Score: 9.009 Category: Electronics Rating: 2.9 Votes: 2 Find similar productsAudio 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. |  B08CY3T41D Availability: Currently unavailable Score: 8.772 Category: Electronics Rating: 2.8 Votes: 3 Find similar productsDigital Power Amplifier Board 100W+100W+4x50W AMP Module TPA3116 5.1 Sound Channel Class D Audio Amplifier Board. Specification: Item Type: Digital power amplifier board Working Method: Class D Quiescent Current: 150mA Work Efficiency: 90% Rated Output Power: 100W+100W+4 x 50W Frequency Response: 20Hz to 20KHz Package List: 1 x Digital Power Amplifier Board The color of capacitor will be sent randomly, and make sure you will not mind before ordering. |
 B06XRS4CD1 Price: $21.6 Score: 8.696 Category: Electronics Rating: 3.9 Votes: 9 Find similar productsKNACRO 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: 1*TPA3116 Digital Power Amplifier Board 1*PH2.0-3P single plug shielded wire. |  B072Q8GTXJ Availability: Currently unavailable Score: 8.475 Category: Electronics Rating: 3 Votes: 24 Find similar productsAudio Amplifier Board, Yeeco 2.1 Channel 2x50W+100W Digital Power Amplifier Board Subwoofer DC 12-24V Car Audio Stereo AMP Module Super Bass Power Amplifier Amp Ampli Module DIY Sound System Component. . |
 B01NBT3S91 Availability: Currently unavailable Score: 8.197 Category: Electronics Rating: 4.2 Votes: 7 Find similar productsKicker KXMA12002 KXMA1200.2 2x600-Watt Two-Channel Full-Range Class D Amplifier. KXMA1200.2 Amplifier The KXM 1200-watt stereo amplifier is built for massive full range power. KickEQ+ delivers as much as an 18dB of extra bump with a simple turn of the knob, while a powerful 24dB crossover lets you quickly tune your system to perfection. A full range RCA output allows you to easily add another amplifier without running new signal cable to the radio. Features: Class D Power Plant Gain Control With Optimal Input Indicator FIT2 (Fail-Safe Integration Technology) Circuitry Variable 24dB Crossover DSP-Controlled Preamp KickEQ+ 18dB Variable Bass Boost ABYC/NMMA Compliant Power Terminals Conformal-Coated Circuit Boards Gasket-Sealed Audio Controls Black Anodized Aluminum Chassis Top-Mounted Teal LED Light Pipe Stainless Steel Mounting Hardware IncludedSpecifications RMS Power [Watts] @ 14.4V, 4Ω mono, ≤ 1% THD+N : 300 x 2 @ 14.4V, 2Ω mono, ≤ 1% THD+N : 600 x 2 Length [in, cm] 11-3∕16 , 28.4 Height [in, cm] 2-⅛, 5.5 Width [in, cm] 8-5⁄16 , 21 Frequency Response ± 1dB 10Hz–20kHz Signal-to-Noise Ratio 95dB Input Sensitivity 250mV–10V Selectable Electronic Crossover Off Variable HP, 10-500Hz Variable LP, 40-500Hz; 400Hz–5,000Hz with 10X Switch (BP capable) Slope: 24dB/octave KickEQ Bass Boost 0-18dB @ 40Hz CEA Power 300 x 2 @ 4 ohms, 14.4VDC, 1% THD, CEA-2006B (Watts) CEA Signal-to-Noise Ratio -75dB CEA-2006B (ref: 1W, A-weighted). |  B08LG54QLN Price: $23.79 Score: 8.130 Category: Electronics Rating: 3.5 Votes: 5 Find similar productsOumefar 160W+160W Digital Audio Power Amplifier Board Two-Channel Stereo Intelligent Power Amplifier Board HiFi for Home Theater. . |