![How 2 hook up a active subwoofer to a receiver or integrated amp with no subwoofer pre out on unit - YouTube How 2 hook up a active subwoofer to a receiver or integrated amp with no subwoofer pre out on unit - YouTube](https://i.ytimg.com/vi/Ew7G6H9YoVA/mqdefault.jpg)
How 2 hook up a active subwoofer to a receiver or integrated amp with no subwoofer pre out on unit - YouTube
![SMSL AO100 High Quality Power Amplifier Bluetooth 5.0 reception Subwoofer pre out Infineon MA12070 Power Amp chip 70W*2 output| | - AliExpress SMSL AO100 High Quality Power Amplifier Bluetooth 5.0 reception Subwoofer pre out Infineon MA12070 Power Amp chip 70W*2 output| | - AliExpress](https://ae01.alicdn.com/kf/S18dce954b553492789e7ee0895e4445ep/SMSL-AO100-High-Quality-Power-Amplifier-Bluetooth-5-0-reception-Subwoofer-pre-out-Infineon-MA12070-Power.jpg_Q90.jpg_.webp)
SMSL AO100 High Quality Power Amplifier Bluetooth 5.0 reception Subwoofer pre out Infineon MA12070 Power Amp chip 70W*2 output| | - AliExpress
![Why are these pre out / main in just connected like this? And also, would you use this to hook up a powered subwoofer? Technics SA-R921 receiver. : r/BudgetAudiophile Why are these pre out / main in just connected like this? And also, would you use this to hook up a powered subwoofer? Technics SA-R921 receiver. : r/BudgetAudiophile](https://preview.redd.it/d66cdilbzae11.png?auto=webp&s=b800f083815aa5ad7cc313e1925f787e9dab0c31)
Why are these pre out / main in just connected like this? And also, would you use this to hook up a powered subwoofer? Technics SA-R921 receiver. : r/BudgetAudiophile
![Would I be able to connect my powered subwoofer to Pre-Out of my Maratnz SR4021? : r/BudgetAudiophile Would I be able to connect my powered subwoofer to Pre-Out of my Maratnz SR4021? : r/BudgetAudiophile](https://preview.redd.it/g61q99j76sk51.jpg?width=640&crop=smart&auto=webp&s=cbc256d819556b7393dee6db10f5efeed529aa5d)
Would I be able to connect my powered subwoofer to Pre-Out of my Maratnz SR4021? : r/BudgetAudiophile
![SMSL AO100 Power Amplifier 70W*2 Bluetooth 5.0 Subwoofer pre out for 2.1 System EQ modes MA12070 Power Amp With Remote Control SMSL AO100 Power Amplifier 70W*2 Bluetooth 5.0 Subwoofer pre out for 2.1 System EQ modes MA12070 Power Amp With Remote Control](https://ae01.alicdn.com/kf/S180214ed09ce491c80bd74f2574615b3R/SMSL-AO100-Power-Amplifier-70W-2-Bluetooth-5-0-Subwoofer-pre-out-for-2-1-System.jpg)