PREMIUM TV Sound System – 2x 90W Black Wall Mounted Speakers | 200W Active Bass Subwoofer | 110W Bluetooth Stereo Amplifier/Amp – Living Room Audio Kit – Wireless Home Music Streaming Receiver :
8" 200W Premium Home Theater Audio Subwoofer Powered Black 8-inch 200 Watt LFE | eBay
How to connect a powered subwoofer to a stereo amplifier with no sub out : r/BudgetAudiophile