2.1 Channel Bluetooth Audio Power Amplifier Board 50W*2+100W With Treble And Bass Control For DIY Bluetooth Speaker Home Theater

[Two Input Methods] It has two audio input methods: Bluetooth and 3.5mm AUX. Bluetooth 5.0 version, higher transmission efficiency, transmission distance up to 49 feet (no obstruction). Treble and Bass Adjustment: 2.1 channels, maximum output power 2X50W+100W. By adjusting the high and low frequency knobs, you can make the sound more staggered and the bass more shocking. [Protection Function] It has short circuit protection, over current protection, over temperature protection, and reverse connection protection. When an overload occurs, the device reports the fault condition to the processor to protect itself from damage. [High Quality] It features copper connectors and barrier-style terminals. It can withstand large currents without generating heat or damaging the wires. It comes with a head cable, which is compatible with the input power interface of this product. Even if you don't have a head adapter or battery, you can easily connect it. [Application] Widely used in shop applications, home theater, DIY speakers