• Bluetooth-compatible & 3.5mm AUX: The ZK-MT21 power amplifier board uses Bluetooth-compatible 5.0, and its transmission distance can reach 49 feet (without obstruction). At the same time, this power amplifier board has a 3.5mm AUX audio input interface

• Treble and bass adjustment: If you are tired of power amplifiers with only a single volume knob, then you feel right, because you have further requirements for audio. By adjusting the high and low-frequency knobs of ZK-MT21, you can make the sound more layered and make the bass more shocking

• Protection function: Bluetooth-compatible power amplifier board has multiple protection mechanisms to ensure its safe operation. It has short-circuit protection, over-current, over-heat, and anti-reverse protection

Specifications:

• Product: Power Amplifier Module

• Material: metal + electronic components

• Model: ZK-MT21

• Audio input: Bluetooth-compatible + AUX

• Bluetooth-compatible version: 5.0

• Transmission distance: 15 meters

• Output power: 50W, subwoofer: less than 100W

• Heat sink size: 36*25*10mm

• Voltage: 12-24V

• Protection: anti-reverse, anti-overheating and overcurrent, anti-short circuit