Bluetooth Amplifier Board, ZK-HT21 2.1 Channel 160W x 2+220W Subwoofer Stereo Mini Audio Power Amplifier Module TDA7498E HiFi Chips,BT USB AUX Input DC 15-36V for DIY Home Speakers
2.1 CH Subwoofer Audio Amplifier Board This ZK-HT21 power amplifier is 2.1channel, allows you to connect 2 passive speakers and drive a subwoofer, comes with Treble and Bass buttons, independent subwoofer volume adjustment buttons and 20-200Hz subwoofer frequency adjustment buttons, which is very friendly for audiophiles, you can adjust the Treble and Bass buttons, make the bass more shocking and the treble clearer, make the sound more layered
160W*2 + 220W High Power Output This HT21 audio amplifier has 160W*2 output power for left and right channel and 220W output power for subwoofer, it can drive two high-power speakers (30-200W, 4-8 ohms) and one subwoofer (30-220W), and the adapted power supply is DC15-36V/8A or above. Note: The higher the power supply voltage/current, the higher the output power, the lower the speaker resistance, the higher the output power, the adapted power supply should higher than the actual working power of the amplifier
HIFI Stereo Audio Power Amplifi
+
+
Overview
Specs
Reviews
Any questions? Our AI beta will help you find out quickly.
Try me now
Bluetooth Amplifier Board, ZK-HT21 2.1 Channel 160W x 2+220W Subwoofer Stereo Audio Power Amplifier Receiver Module TDA7498E HiFi Chips with Treble and Bass for Home Speakers
Learn more about the Detailed Specifications
Additional Information
First Listed on Newegg
March 22, 2026
There are no reviews yet.
Do you own this product?
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.