ZKHT21 Bluetooth Amplifier Board,160W×2+220W 2.1 Channel Amp Module Subwoofer Output Treble Bass for Passive Speakers

[AUX, Bluetooth, USB and
Subwoofer Inputs]: This mini bluetooth amplifier board integrates AUX, Bluetooth, USB and dedicated Subwoofer Inputs. It features a 3.5MM AUX port to connect your cellphone, laptop or TV (AUX cable not included). Equipped with Bluetooth 5.0, it supports fast connection within 10M/32FT unobstructed range. USB and Subwoofer Inputs are available on demand. Great for home stereo audio DIY projects.
Note: When using AUX mode, please disconnect the module's Bluetooth connection first.
[Perfect Protection Mechanism]: This Bluetooth amplifier board comes with multi-layer safety protection, including overvoltage, undervoltage, overheating, DC detection and short-circuit protection. It will automatically activate protection to avoid board damage under overload conditions.
[TDA7498E Chip]: This 2.1 channel bluetooth amplifier board adopts two original imported TDA7498E chips. This 2.1 bluetooth amplifier delivers max 160W for left channel, 160W for right channel and 220W subwoofer amplifier output. Ideal for your diy amplifier kit build.
[Compatible Speakers]: The Bluetooth amplifier board fits 30-200W, 4-8 passive speakers only. NOT compatible with active speakers or built-in Bluetooth speakers. It works with DC 15-36V power supply; higher input voltage brings higher output power.
[Multifunctional Dial Button]: The rotary dial supports multiple operations.
Short press down: pause/play;
Long press down: switch input mode (Bluetooth/AUX/USB Flash drives).
Short press dial right: next track;
Long press dial right: volume up.
Short press dial left: previous track;
Long press dial left: volume down