Pre Out vs Line Out | Audioholics Home Theater Forums
Amazon.com: Parametric Equalizer with Subwoofer - 9 Volt RMS Pre-Amp Output with Subwoofer Gain Control and 2 Input Sources Selectable, Pre-amp Line Aux Inputs Via RCA Jacks : Electronics
Pre Out Vs Line Out - Find the Difference? - ElectronicsHub
Can you connect a subwoofer to an amplifier's high level input using an RCA cable (balanced) instead of using speaker wires? - Quora
Wiring Subwoofer with only One Pre-Amp Output? - YouTube
Use a third-party subwoofer with Amp or Connect:Amp | Sonos
I have a stupid question, if an AMP has a L/R Pre Out can I connect Subwoofers to this? | AVForums