![Vtopek Universal Car Radio RCA Output Wire Cable With Microphone Video Output/input Audio Subwoofer 1m/3m microphone optional|Cables, Adapters & Sockets| - AliExpress Vtopek Universal Car Radio RCA Output Wire Cable With Microphone Video Output/input Audio Subwoofer 1m/3m microphone optional|Cables, Adapters & Sockets| - AliExpress](https://ae01.alicdn.com/kf/Hb77aa20f33d84222889da36e62549180e/Vtopek-Universal-Car-Radio-RCA-Output-Wire-Cable-With-Microphone-Video-Output-input-Audio-Subwoofer-1m.jpg_Q90.jpg_.webp)
Vtopek Universal Car Radio RCA Output Wire Cable With Microphone Video Output/input Audio Subwoofer 1m/3m microphone optional|Cables, Adapters & Sockets| - 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
![Mediabridge ULTRA Series Subwoofer Cable (15 Feet) - Dual Shielded with Gold Plated RCA to RCA Connectors - Black Mediabridge ULTRA Series Subwoofer Cable (15 Feet) - Dual Shielded with Gold Plated RCA to RCA Connectors - Black](https://m.media-amazon.com/images/I/814wXBGM0UL.jpg)