ZK MT21 50W x 2 100W 2 1 Channel Bluetooth Digital Amplifier Module

1 Bluetooth version 5 0 unobstructed 15 meters 2 Input sensitivity 500mV3 Input mode AUX Bluetooth4 Number of power channels 2 1 channels5 Adaptable speaker 20 100W 4 8 ohms6 Protection mechanism anti reverse connection overheating and overcurrent short circuit protection 7 Adaptable power supply DC 12 24V 5A or above cannot be connected to 24V battery pack 8 Output power less than 50W for left and right channel less than 100W for subwoofer 9 Size about 9 3 x 9 x 2 2cm10 Weight about 185g including packaging Tip In the case of enough audio input enough power supply voltage current there will be enough output power the higher the power supply voltage the higher the output power the lower the impedance of the speaker the higher the output power please make sure that the adapted power supply power is greater than the actual working power of the amplifier