TINYSINE TSA7804B, 4 x 50W Bluetooth+DSP Amplifier Board

TSA7804B 4x50W 4 channels Bluetooth+DSP amplifier board with an AudioB I2S Bluetooth module that supports Apt-X. TSA7804B is a very flexible DSP/DAC/Amplifier combination board. It has perfect class-D structure (Texas Instruments TPA3116D2) and 4 channels have 50W power output. All the channels are capable of outputting nominal power simultaneously and continuously. This board can be powered by any DC12V-24V power supply. It can be used to drive any 4Ω or 8Ω passive speakers. Power input port can be power jack or screw terminal. The DC input jack is 2.5mm with positive core polarity, And if you use screw terminal, please pay attention to the polarity! You can pair it with a mobile phone or a computer, etc.. Power the amplifier board. Use your phone or PC, etc. to search for a new Bluetooth device. The module will appear as "TSA7804B". You don't need a PIN, pair it and then you can play music. The highlight point is Analog Devices ADAU1701 DSP chip on board. User can set each channel audio tones separately. Apt-X and TWS supported. Therefore, users can stream audio to 2 paired amplifier boards at the same time wirelessly.