Descriptions: TPA3255 Four-channel digital Class D amplifier board TPA3255 is a high-performance Class D power amplifier, which has Class D efficiency and can bring true high-end sound quality. There is an advanced integrated feedback design and a proprietary high-speed gate...

Description:   1.This is a DC-powered 12-24V power supply, using TI's TPA3116D2 high-performance digital power amplifier chip as the core, one to do parallel bridged bass channel power amplification output, one to do left and right channel power amplification output. support...

Product details: 1. This is a DC-powered 12-24V power supply, using TI's TPA3116D2 high-performance digital power amplifier chip as the core, one to do parallel bridged bass channel power amplification output, one to do left and right channel power amplification...

  This is an electronic tube preamplifier board, without amplifier function, can not directly connect passive speakers and speakers, can not be connected to headphones, can not be used in cars, DC 12V power supply   Power: DC 12V, Above...

Product description:   Toshiba's 2SC5200+2SA1943 pure post-stage mono 100W finished product   Features:   1. The noise of the switch is small and will not have too much impact on the speaker. It is recommended to add a horn protection...

Feature: The 350W subwoofer power amplifier board uses the original disassembled tube, and the signal-to-noise ratio is extremely high. No noise can be heard without plugging the input line. It also has full relay protection, such as power-on delay, DC...

Description: This product is a preamplifier without amplifier function. It can't be connected directly to speakers and passive speakers. It can't be connected to headphones and can't be connected to the car. AC12-15V power supply, be careful not to use...

TDA7498 2.1 Digital Amplifier Board (200W + 100W + 100W) Super than TPA3116   Basic performance parameters:   Work: Class D    Quiescent current: 50mA    Work efficiency: 90%    Rated output power: 2 * 100W + 200W    Frequency...

Name:OK-688 Power amplifier board Operating voltage range: Double AC 18-24V（Three-wire power Supply） Audio input sensitivity: 400mV, Output Maxmium Power:2x100W Outout Impedance:4-8Ohm S/N:100DB   T.H.D:1% Size: 160* 106 * 60mm     Packaging Including: 1 x Karaoke Audio Amplifier Board  

Product description:   Operating voltage: Dual AC24-32V (recommended dual AC30V or dual AC32V) 200-400W toroidal transformer Power amplifier chip: SanKen1494/3858   Channel type: stereo two-channel, mono   Mono output: 800W   Two-channel output: 450W+450W   Impedance: 4 ohm / 8 ohm...

Product description: The board uses six disassemble amplifier tubes(used), 4 responsible for the left and right channels, the other two connected to BTL circuit for subwoofer use, wiring is very simple, especially for DIY. Working voltage: AC double 18-24V 100W transformer...