ZK-MT21 Bluetooth Power Amplifier Board 2.1 Channel 50W x 2 + 100W | Mini amp module. quickly connects. Fits car audio speakers/home theater. with bass,treble,subwoofer and volume control

ZK-MT21 Bluetooth Power Amplifier Board 2.1 Channel 50W x 2 + 100W | Mini amp module. quickly connects. Fits car audio speakers/home theater. with bass,treble,subwoofer and volume control

• 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 3.5mm 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, easy to adjust volume, enjoy the music tone what 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 5.5mm * 2.1mm plug interface for power supply