TPA 3116 Subwoofer Amplifier Board 2.1 Channel High Power Bluetooth 5.0 Audio Amplifiers DC12V-24V 2*50W This is a support for Bluetooth audio receiver board, with preamp amplification, and bass frequency processing. With bass, left and right channel volume adjustment, treble adjustment, the total volume potentiometer control 2.1 amplifier board. DC power supply 12-24V power supply, maximum support 50W (left channel) +50 W (right channel) +100 W (bass channel) three-channel output. Use of the United States TI company TPA3116D2 digital amplifier chip as the core, a parallel bridge subwoofer output, do a left and right channel output. Wide operating voltage efficiency of up to 90%. Can use a good performance switching power supply, a laptop switching power supply, you can also use a charging bottle or car power supply, etc. With 100W subwoofer bass treble adjustable. Knobs colour may vary.
