Pre Out Vs Line Out - Find the Difference? - ElectronicsHub
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
How To Connect Your Home Theater Subwoofer
How to Connect a Subwoofer: Low & High Level Connections | Home Cinema Guide
How to connect your home theater subwoofer
What is a Pre-Out and What Are its Uses - A Complete Guide
NAD 268/368 set up assistance req. | Stereo Amplifiers & Pre-Amps