How to Pair A Samsung Soundbar With Subwoofer - YouTube
Amazon.com: 5.1 CH Surround Sound Bar with Dolby Audio, Sound Bars for TV with Wireless Subwoofer, Dolby Digital Plus, Bluetooth 5.0, Surround Sound System for Home Theater, Works with 4K & HD
No sound from rear speakers or subwoofer on the HW-Q90R