ZK-MT21/TB21 2.1 Amplifier Bluetooth 5.0 Sound Bar Amplifier Board 50W x 2 ban100W Power Audio Stereo Board

Description. Product name: 2.1 channel Bluetooth audio amplifier module. Product model: SZM-MT21. Bluetooth version: 5.0(within 10 meters). Input sensitivity: 500mV. Input method: Bluetooth input AUX input. Number of channels: 2.1 channels. Power supply: DC12-24V/5A or above 24V battery pack not available). Adaptive speaker: 20-100W/4-8Q. Output power: left and right channel. Protection mechanism: anti-reverse connection, overheating, overcurrent, short circuit protection. Product size: 93mm90mm22mm. Product weight: 185g(including packaging). Features: 1. Adopt TPA3116 chip solution. 2. The output has no filtering, standard sound quality, and high requirements for speakers. Package contents. 1x power amplifier module. note: enough output power The higher the supply voltage, the greater the output power. The smaller the speaker impedance, the greater the output power Please!. Complaints and Returns. All of our products are carefully inspected and tested by our warehouse staff before b