1. BLUETOOTH 5.0: Digital power amplifier module features Bluetooth 5.0 with a range of up to 49 feet (unobstructed). Features a 3.5mm/0.1in AUX sound input jack.
2. MORE LAYERED SOUND: Bluetooth power amplifier board by adjusting the high and low frequency knobs of for ZK MT21, you can make the sound more layered and the bass more shocking.
3. CONVENIENT TO USE: Sound power amplifier board is easy to use, the DC adapter (plug size 5.5x2.1mm / 0.2x0.1in) on the market can basically meet the needs of for ZK MT21 Bluetooth power amplifier board.
4. MULTIPLE MECHANISMS: Amplifier board has various mechanisms to ensure its . It has short circuit , over current, overheat and anti reverse .
5. THOUGHTFUL DESIGN: When overload occurs, Bluetooth digital power amplifier module will report the fault condition to the processor to preserve itself from damage.

Specification:
Item Type: Bluetooth Digital Power Amplifier Module
Material: PCB
Sound Input: AUX And BT
Voltage: DC12-24V
Channel: 2.1 (50W, 50W, 100W)
Bluetooth: 5.0
Current>9A

How to Use:
Installanduse

Package List:
1 xBluetooth Digital Power Amplifier Module
2 x Housing
1 x DC Conversion Plug
1 x Screwdriver
4 x Studs
13 x Screw

Note:
If your existing DC power plug is not 5.5x2.1mm / 0.2x0.1in, there is no problem because we include the DC conversion plug in the product.