The COB1808 board is a complete Class D audio amplifier in 2.0 with 25W+25W RMS. The kit includes 2 Bluetooth and Wi-Fi modules to receive the audio signal wirelessly from a foreign source, process it and output the audio file via the amplifier, but also relay it wirelessly to another identical module, working in cascade. Powered at 24VDC, it has the possibility of different settings via dip-switches and is equipped with two buttons for programming and initial settings.