DP3 TPA3116D2 2.0 Digital Power Amplifier Board 50W*2 Bluetooth 4.2 This digital power amplifier board is suitable for notebook switching power supply and 12V-24V ordinary battery. It is suitable for both home and car amplifiers. 2 NE5532 fever amplifiers at the current level Bluetooth 4.2 input Power supply: DC12-25V (DC24V recommended) Interface: outer diameter 5.5MM inner diameter 2.1MM Power: 50WX2 (tested at DC24V) Board size: 72X88MM The output power is different under different voltages. The leftmost power access light on the board is always on and is not controlled by the switch.
