TPA3116 Bluetooth 4.2 Amplifier Board High Power 2.1 Subwoofer Digital Amplifier Board


Product details:
This is a support for Bluetooth audio receiver, with preamp, 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.
TPA3116 high-performance digital amplifier chip, a parallel bridge subwoofer output, do a left and right channel output.
Wide operating voltage, power-saving design, efficiency up to 90%. You can use good performance switching power supply, notebook computer switching power supply, you can also use the charging bottle, or car power supply and so on.
Board is a good test of the finished product board is soldered, according to figure connected to a good speaker, audio input or connect the Bluetooth audio device and connected to the power can be used.
The main technical parameters: 
Dimensions: 101 (W) x 100 (D) x 25 (H) mm, excluding potentiometer and socket projection
Operating voltage range: DC 11-25V (current 3-4A, or 19-24V / 4-5A, such as high power requirements 20-24V / 8-9A above)
Bluetooth receiving distance:> 8 m (meters)
Audio input sensitivity: 600-800mV, frequency response range: 20Hz-20KHz,
Speaker impedance: left and right channel speakers: 4-8 ohm, bass speaker impedance: 2-8ohm
Function switch instructions:
1. Plug in the power switch by default Bluetooth mode
2. Bluetooth disconnected, long press the switch to switch to the audio input mode
3.Bluetooth play status, short press the switch to pause / play
Package included:
1 x TPA3116 Bluetooth 4.2 Amplifier Board(With knobs and screws)