Pre Out vs Line Out | Audioholics Home Theater Forums
Subwoofer not working with Y adapter | AVS Forum
TX-NR6100 - Connecting a subwoofer – Onkyo Product Support
Connect Passive subwoofer (not amplified subwoofer) to an 7.1 or more home theater receiver. - YouTube
Onkyo TX-NR6100 7.2-channel home theater receiver with Dolby Atmos®, Wi-Fi®, Bluetooth®, Apple AirPlay® 2, and Amazon Alexa compatibility at Crutchfield
What is a Pre-Out on an A/V Receiver and When Would You Use It?