The ZK-MT21 power amplifier board uses Bluetooth 5.0, and its transmission distance can reach 49 feet (without obstruction). At the same time, this power amplifier board has a 3.5 mm AUX audio input interface. No matter what kind of input method, you can always find a method that suits you. With bass, treble, subwoofer frequency and volume control, it is easy to adjust volume and enjoy the music tone you want. If you are tired of the inherent high & low bass, why not try the high & low control knob.
This will make you feel like being in a movie theater. Bluetooth audio amplifier module 2.1 channel, Max output power 2X50W+100W.
Speaker Matching Guide: Left & Right
Channels (Stereo): 6.5 inch, 4-8 ohms, 50W each (Max. RMS);
Subwoofer Channel (Bass): 8 inch, 4-8 ohms, 100W (Max. RMS). ZK-MT21 Bluetooth 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 (NOTE: It is recommended that the maximum voltage should not exceed 22V. Otherwise, overvoltage protection may be triggered, which will limit the output current and cause the maximum power to be reduced). It adopts copper DC connector and fence type terminal. It can withstand large current, no heat, no damage to the wire. Using a universal 5.5 mm * 2.1 mm plug interface for power supply