ZK-HT21 2.1 Channel TDA7498E bluetooth Digital Power Amplifier Module High and Low Tone Subwoofer 160W*2+220W

Parameters Product Name 2 1 channel audio amplifier module with ToneProduct Model ZK HT21BT Version 5 0 no shielding 15 meters Audio Input AUX BT USB Dial wheel button toggles song and mode Channel 2 1 Left channel right channel subwoofer Chip Solution TDA7498EAdaptive power supply DC 15 36 V Under voltage protection below 9V and 12V power supply can also be supported Adapter Speaker 30 200W 4 8ΩOutput Power Max 160W RL channelMax 220W subwooferProtection Mechanism Anti reverse connection undervoltage overheating overcurrent short circuit protectionProduct Size 145 126 28mmProduct weight net weight 327g package weight 395gTip when the audio signal input is large enough and the power supply voltage current is large enough there will be enough output power The higher the power supply voltage the greater the output power the smaller the horn impedance and the greater the output power Please ensure that the power of the adaptive power supply is greater than the actual working power of the power amplifier Package includes 1 x Audio amplifier module kitFAQ 1 How to choose a power supply The power supply for the board is very important The ripple of the selected power supply must be small A power supply with large ripple will cause the noise floor of the power amplifier board to become larger and there will be current noise The higher the voltage the greater the current and the more output power If you only have 12V1A you can bring