ZK-HT21 Bluetooth Amplifier Board 160W×2+220W Subwoofer 2.1 Channel Audio Amplifier Bluetooth Module with Treble and Bass Control,AUX/Bluetooth/USB Inputs for Passive Speakers
All electronics ship with US style plugs.You may need a voltage converter or a plug adapter.
Special Features
【AUX,Bluetooth,USB and Subwoofer Inputs】: The Bluetooth amplifier board integrates AUX,Bluetooth,USB and Subwoofer Inputs.There is 3.5 MM AUX inputs,you can connect cellphone,laptop or TV etc (The wire connect AUX input is not included in the package).With Bluetooth 5.0 version,it is easy to connect quickly within 10M/32FT unobstructed.USB and Subwoofer Inputs also can be used according to your need. Note: When using AUX mode, please confirm that the Bluetooth connection of this module has been disconnected;
【Perfect Protection Mechanism】: The Bluetooth amplifier board is designed with protection mechanism, including overvoltage, undervoltage, overheating, DC detection protection and short circuit protection. When overload happens, it will protect itself from damage.
【TDA7498E Chip】The Bluetooth amplifier board is equipped with two imported original TDA7498E chip, 2.1 Channel configuration, that is left channel (maximum power output 160W), right channel (maximum power output 160W) and subwoofer output (maximum power output 220W).
【Compatible Speakers】: The Bluetooth amplifier board are suitable for 30-200W, 4-8Ω passive speakers, so you can match different passive speakers as your need. (Passive speakers only,not Bluetooth speakers or active speakers).The Adapted power supply is DC 15-36V(less than 9V undervoltage protection.The higher voltage,the higher the output power)
【Multifunctional Dial Button】The dial button is multifunctional:Press Down-Short press: pause/play,Long press: Switch input mode(Bluetooth/AUX/USB Flash drives);Dial Right- Short press: Play the next music,Long press: Volume increases;Dial Left-Short press: Play the previous music,Long press: Volume decrease.
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