ZK-MT21S 2.1 Channel Bluetooth 5.1 Subwoofer Amplifier Board Module 50WX2+100W Power Audio Stereo Amplifier Board

Parameter Product name 2 1 channel bluetooth audio power amplifier board moduleProduct Model ZK MT21SNumber of channels 2 1 channels left channel right channel subwoofer Input method AUX Bluetooth U disk USB sound cardBluetooth version 5 1Switch mode Mechanical switch no need to wait for a long press Adapter power supply DC 12 24 V ≥8AAdapted speakers Left and right channels 20 50W 4 8Ω subwoofer 20 100W 4 8ΩOutput power Left and right channels≤50W subwoofer≤100wProtection mechanism Input anti reverse connection overheating overcurrent short circuit protectionProduct size 93 96 22mmProduct weight Net weight 136g including packaging 187gTip Only when the audio signal input is large enough and the power supply voltage current is large enough will there be enough Output Power The higher the power supply voltage the greater the output power and the smaller the speaker impedance the greater the output power Please ensure that the power of the adapted power supply is greater than the actual working power of the power amplifier Package includes 1 x 2 1 channel bluetooth audio power amplifier board module