Bluetooth 4.2 TPA3116D2 Digital 2.1 Audio Amplifier Board 100W+50W+50W DC 12-24V Volume Adjustment New

Features:
Bluetooth audio amplifier board: This is a support Bluetooth 4.2 audio receiver updated, with a pre-amplifier, bass crossover processing.
Volume adjustment: 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.
Core chip is TPA3116D2: TPA3116D2 high-performance digital amplifier chip as the core, a parallel bridge subwoofer output, do a left and right channel output.
Bluetooth receiving distance: >8m(26ft)
Specifications:
Size: about 101 * 100 * 25mm / 3.98 * 3.94 * 0.98 inch
Operating voltage range: DC 11-25V (current 3-4A, or 19-24V/4-5A ,If the power requirements high, above20-24V/8-9A )
Speaker impedance: Left/Right channel: 4-8Ω; bass channel: 2-8Ω
Function switch instructions for use：
1. Plug on the power on, the default is Bluetooth mode
2. Bluetooth disconnected status, long press the switch can switch to the audio input mode
3. Bluetooth play status, short press the switch for Pause/Play
Package included:
1 * Audio Amplifier Board

Package List:
1 x Audio Amplifier Board