Technical SB-AS500 Active Subwoofer - Electronics & Computers - Riverside, Tasmania | Facebook Marketplace | Facebook
![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?width=640&crop=smart&auto=webp&s=351c9a60687f70d462dd5882fbe06ea993abd2c7)
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
![Tonewinner 600w Home Theatre Subwoofer 12 Inch Woofer Technics Wooden Speaker Super Bass Av Concert Powered Soundbar Subwoofers - Solar Controllers - AliExpress Tonewinner 600w Home Theatre Subwoofer 12 Inch Woofer Technics Wooden Speaker Super Bass Av Concert Powered Soundbar Subwoofers - Solar Controllers - AliExpress](https://ae01.alicdn.com/kf/S767aecd2e6414bffab358ff300de8be1v/ToneWinner-600W-home-theatre-subwoofer-12-inch-woofer-technics-wooden-speaker-super-bass-AV-concert-powered.jpg)