ZK HT21 Bluetooth Digital Amplifier Module 2 1 Channel TDA7498E

1 Silent fan reduce the overall temperature of the module for the power supply amplifier chip filter capacitors and other heat dissipation reduce the temperature rise and the impact of temperature rise on the sound quality to ensure that the components of the long term stability of work2 Dial keys easy to operate3 Bluetooth version 5 0 no cover 15 meters 4 Input mode AUX Bluetooth USB dial wheel button to switch modes and songs 5 Number of channels 2 1 channels left channel right channel subwoofer 6 Amplifier chip TDA7498E7 Adaptable power supply DC 15 36V below 9V undervoltage protection can also support 12V power supply 8 Adaptable speakers 30 200W 4 8 ohms 9 Output speakers less than 160W for left and right channels less than 220W for subwoofer10 Protection mechanism anti reverse connection under voltage overheating short circuit protection11 Size about 14 5 x 12 6 x 2 8cm12 Weight about 327gAttention 1 Sufficient output power will only be available if the audio signal input is large enough and the power supply voltage current is high enough2 The higher the power supply voltage the higher the output power the lower the speaker impedance the higher the output power please ensure that the power of the adapted power supply is greater than the actual working power of the amplifier