Features:
1. High quality amplifier board. With AUX and Bluetooth two kinds of audio input, two in one, 5.0 Bluetooth version, higher transmission efficiency and longer transmission distance.
2. Bluetooth audio amplifier module 2.1 channel, maximum output power 2X50W+100W.
3. With short-circuit protection as well as over-current, overheating and anti-reverse connection protection to prevent complete failure. In case of overload, the device reports the fault to the processor to protect itself from damage.
4. Copper DC connectors and barred terminals are used. Can withstand high currents without heat or damage to the wires. No DC head lead, compatible with the input power connector of this product, even if you don't have a DC head adapter or battery, you can easily wire it.
5. With bass, treble, subwoofer frequency and volume control, easily adjust the volume and enjoy the music tone you want. Widely used in shop solicitation, home theatre, square speakers, etc.
6. Support for Android for Apple system, APP visual operation play mode volume, sound effects, up and down song control, play pause, play mode, complimentary cool APP function.

Specifications:
Material: Metal
Bluetooth version: 5.0
Power supply: DC 5-26V/10A or higher.
Bluetooth compatible: version 5.0.
Audio channels: 2.1 channels
SNR: 92dB
Audio input: Bluetooth + AUX + U-disk + USB sound card compatible
Audio output: left and right channel + subwoofer + 3.5mm stereo port
Frequency range: 20HZ - 30KHZ
Output power: 50W+50W+100W

Package include:
1X Bluetooth Amplifier Board