ZK-HT21 2.1 Channel Bluetooth Amplifier Board 160W x2 + 220W

Powerful 2.1 Channel Output: Provides separate left and right stereo channels with a dedicated subwoofer channel, with rated maximum output of up to 160W x 2 plus 220W.

Bluetooth 5.0 Connectivity: Connect compatible smartphones, tablets and other Bluetooth-enabled audio devices for wireless music playback.

Multiple Audio Inputs: Supports Bluetooth, USB and 3.5 mm AUX input, allowing the amplifier board to work with several common audio sources.

Independent Sound Controls: Features separate controls for master volume, subwoofer volume, subwoofer frequency, treble and bass adjustment.

Built-In Cooling Fan: The integrated cooling fan helps dissipate heat during operation and should remain unobstructed when installed.

Class D Amplifier Design: Uses a compact, energy-efficient Class D amplifier configuration suitable for DIY speakers, home audio projects and custom sound systems.

Compatible Speaker Setup: Designed for a 2.1-channel configuration using left and right speakers together with a passive subwoofer. Recommended speaker impedance is 4-8 ohms.

DC Power Input: Requires a suitable external DC power supply. Published ZK-HT21 documentation specifies DC 15-36V, with output power depending on the power supply and speaker configuration.

What's in the box
1 X 2.1 Channel Audio Amplifier Module