CSRA64215 TWS 4.2 bluetooth Receiver 2x30W TPA3118 Amplifier Audio Board Amplificador 8Ohm Speaker f

???Specification: ? Product Model: CSRA64215 + TPA3118 1.Power amplifier board size: 8.1x5.2CM 2.For APTX, for APTX LL 3.With call function, CSRA64215 low power consumption, power on, the default volume maximum. 4.DC 8-26V power supply (24V6A, the maximum output power 2x30W(8ohm)). 5.VCC and GND for the power supply +/-, with reverse polarity protection. 6. M + and M- are the positive and negative of the microphone. a?? Package included:
1 x Amplifier board