-LT21 2.1 Channel Bluetooth Amplifier Board 15W+15W+30W with Subwoofer Knob Adjusting Encoder Audio Module DC9-24V

-LT21 2.1 Channel Bluetooth Amplifier Board 15W+15W+30W with Subwoofer Knob Adjusting Encoder Audio Module DC9-24V Description

Product name: 2.1 channel Bluetooth audio amplifier module
Material: PCB+metal
Product model: -LT21
Bluetooth version: 5.1
Audio channel: 2.1 channel

Color: Black
Input mode: Bluetooth+AUX+USB+USB sound card
Power supply: above DC9-24V/3A
Audio output: left channel 15W+right channel 15W+subwoofer 30W
Adaptive horn: 10W-50W/4 Ω - 8 Ω
Output power: 15W x 2 (left and right channels)+30W (subwoofer)
Volume adjustment: high-end encoder knob adjustment, smooth feel
Protection mechanism: overheating, overcurrent, short circuit, anti-static protection
Special function: support Audio APP control
Product size: 75 x 60 x 22 mm
Product weight: net weight 66g
Note: It is recommended to equip an 8 Ω horn with power supply of 9-24V DC. Overvoltage is not allowed. If the 4 Ω horn is driven, the power supply cannot exceed 12V.

Package Contents:
1 x -LT21 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 cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.