Using High-Level Connection on a Powered Subwoofer | Steve Hoffman Music Forums
High-Level V.S. Low-Level Inputs - Sonic Electronix Learning Center and Blog
10-Inch Low-Profile Amplified Subwoofer System - 900 Watt Compact Enclosed Active Marine Underseat Car Subwoofer with Built in Amp, Powered Car Subwoofer w/Low & High Level Inputs - PLMRSBA10 : Amazon.ca: Electronics
What are the speaker outputs on my subwoofer for? - Quora
This $499 subwoofer has changed the way I listen to music, and it's worth every penny | ZDNET
Wiring active subwoofer | Stereo Amplifiers & Pre-Amps
2 speakers and a sub in an amp with 2 outputs | AVS Forum
Subwoofer Connection | Speakers, Soundbars and Subwoofers
The Five Cs of Subwoofer Setup | Wirecutter
The Five Cs of Subwoofer Setup | Wirecutter
Audiogon Discussion Forum
Adding a powered subwoofer to an amp without a dedicated sub out : r/hifiaudio
Subwoofer Single RCA Input, XLR, and High Level Connections | REL
6moons audio reviews: Amphion Impact 400
If on the receiver there is an A and B speaker system, do you want to hook up the sub to the B portion by using the + from the L and -