How to Repair ZK MT21 bluetooth Subwoofer Amplifier | class D no power no audio DIY Fix for 1$

In this video I am showing how to repair ZK MT21 Subwoofer Amplifier sing CS8673e class d amplifier. you can parches the ICs and the amplifier from bellow links . Thank you. ✅CS8673 IC 👉https://s.click.aliexpress.com/e/_oBL... 👉https://s.click.aliexpress.com/e/_oma... ✅ZK MT21 subwoofer Amplifier 👉https://s.click.aliexpress.com/e/_op7... ✅Bluetooth karaoke mp3 player 👉https://s.click.aliexpress.com/e/_oBh... ✅24V power supply 👉https://s.click.aliexpress.com/e/_op4... How to Repair ZK MT21 Subwoofer Amplifier, zk mt21, class d amplifier, subwoofer amplifier, amplifier repair, bluetooth amplifier repair, zk mt21 amplifier repair, zk mt21 subwoofer amplifier, diy subwoofer amplifier repair, zk mt21 no sound fix, amplifier not working solution, how to fix bluetooth amplifier, diy audio repair, budget subwoofer amplifier, mt21 amplifier troubleshooting, class d amplifier repair, diy repair, no power amplifier repair, no sound amplifier repair