Nobsound Sw-100 Overweight Active 10 Inch Subwoofer Speaker Active Subwoofer Audio Amplifier Home Theater 8 Inch Subwoofer - Speakers - AliExpress
Nobsound amplifier - How to connect a subwoofer 2.1 surround - YouTube
Nobsound 100W Subwoofer Amplifier HiFi Mini Mono Channel Digital Power Amp 7921734954021 | eBay
Amazon.co.jp: Nobsound NS-14G Bluetooth 4.2 HiFi 2.1 Channel Subwoofer Audio Stereo Power Amplifier 50W *2 + 100W : Electronics
Nobsound Sw-120 Overweight Active Subwoofer Speakers 12-inch Home Theater Audio - Speakers - AliExpress
Bought this Nobsound NS-03G SUB Subwoofer amp with a TPA3116 chip. Doesn't turn on. Don't know what the DIP-switches do. Any guidance? : r/AskElectronics