-TB21S 2.1 Channel Bluetooth 5.1 Amplifier Board TPA3116

Product name: 2.1 channel Bluetooth audio amplifier module
Product : -TB21S
Bluetooth version: 5.1
Input mode: Bluetooth+AUX+USB disk+USB sound card
Number of channels: 2.1 channels (left and right channels+subwoofer)

Volume adjustment: high-end encoder knob adjustment, smooth feel
supply: DC12-24V greater than equal 8A
Input sensitivity: 500mV
Output : left and right channels less than equal 50W, subwoofer less than equal 100W
Adaptive speaker: 20-50W, 4-8 Ω for left and right channels; Subwoofer 20-100W 4-8 ohm
Protection mechanism: overvoltage, undervoltage, overheating, DC detection, short circuit protection
Special function: support Audio APP control
Product size: 118 X 100X 23mm
Prompt: When the audio signal input is enough and the supply voltage/current is enough, there will be enough output ! The higher the supply voltage, the greater the output , the smaller the horn impedance, and the greater the output ! Please the of the adaptive supply is greater than the actual working of the amplifier!
Colour:black
Material:PCB+metal

Package Contents:
1 x amplifier board
1 x DC adapter
1 x screwdriver

Only the above package content, other products are not included.
Note: Light reflection and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.