Amazon.com: JBL Professional C60PS/T Hanging Pendant Subwoofer with Passive Crossover, Black, Sold as Pair : Electronics
JBL (ESC550) Simply Cinema BASS 550 Subwoofer and Cable Only | eBay
Denon Home Sound Bar 550 with Dolby Atmos and HEOS Built-in and Denon Home Wireless 8" Subwoofer with HEOS (Factory Certified Refurbished) | World Wide Stereo