ST-838 HiFi 2.1 Channel Power Amplifier Stereo Bass Sound Amplifier with Subwoofer Output 20Wx2+40W 12V Digital Power Amplifier

ST-838 HiFi 2.1 Channel Power Amplifier Stereo Bass Sound Amplifier with Subwoofer Output 20Wx2+40W 12V Digital Power Amplifier

Aliexpress UK