Product Review

This is a 4x100W audio amplifier board with AudioB plus Bluetooth module. It's integrated 2xST high performance TDA7498 which support dual channel audio amplification. Both of channels are capable of outputting nominal power simultaneously and continuously. This board can be powered by any DC14V-39V* power supply. It have a smart cooling system, the fan not working in normal case to reduce the noise. Only start when the chip temperature > 65°C.
It's perfect for your Hi-Fi application, the audio source can be RCA input or Bluetooth. Compatible with all Bluetooth devices that support media audio, including iPhone,Android. Let your smartphone paired with this board, play a music. It is so easy!
Note: We had tested it. It also works well with 12VDC power. But we suggest use DC14V-39V power if possible.
Specification: Following table lists all typical data of the Amp board. For full specification, please refer to the data sheet of ST's TDA7498 chip.
TA = 25 °C, fIN = 1 kHz sine wave, RL= 6Ω, VCC = 36V. (Unless otherwise stated)

Features:
Size: 15.5cm x 11cm x 2.5cm
Smart cooling system
Bluetooth 4.0
External mute control port
Working voltage: DC14V-39V
Over/under voltage protection
Over current protection
Over temperature protection

Applications:
1.Personal computer
2.Background music system
3.Musical instrument amplifiers
4.Home DIY
5.Car audio