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TDA7293 TDA7294 85W 100W Mono Amplifier Module Bare PCB DIY Amp Board

Product Description

 
100% Brand New and High Quality
 
Tips: This is only the PCB board without components. We are sorry but we do not have the schematic.
 
Product parameters:
 
Power supply requirements: DC double 40 ~ 45V
Audio input: Mono
Audio output: Mono 100W
Adaptation Speaker Impedance: 8Ω
Line compatible TDA7293 / TDA7294 two chips, just convert one of the 22uf capacitor pin (board marked 93 / 94).
Size: 55 x 41 mm
 
If you need two channels, you need two boards, please refer to the wiring diagram.
 
Note:
 
1. Wiring must not be connected to the wrong, or will burn the chip.
 
2. In any case before the power supply to the chip must be installed before the large enough radiator, radiator must use insulating particles and insulation film to ensure that the chip and the radiator insulation, if the use of high power fever also apply thermal paste.
 
3. Input signal must use shielded wire, or there is a current sound. GND ground, IN then any one of the left and right signals.
 
4. OUT output to the speaker, you can use the thicker copper wire, as short as possible. GND Connect the speaker Black terminal OUT Connect the speaker to the red terminal.
 
Package Included: 
 
1x Bare PCB
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