This is a 2x8W audio amplifier board integrated with Bluetooth 4.0. It has a perfect class-D architecture (based on TPA3110D2) and every channel has 8W power output. This board can be powered by any DC 8V-16V power supply. It can be used to drive any 4Ω or 8Ω passive speakers.
It is perfect for your Hi-Fi application, the audio source can be cable input or Bluetooth. You may pair up the amplifier with a mobile phone or a computer that has Bluetooth function.
Power up the amplifier board, use your phone or PC to search for a new Bluetooth device, the module will appear as "BT Speaker", you can simply pair it up without PIN. Yes, it connects automatically with your device. You can then play your audio.
TA = 20℃, fIN = 1 kHz sine wave, RL = 4Ω. (Unless otherwise stated)