Used Bose Bass Module 500 for Soundbar 500/700, SoundTouch 300 Soundbars, Black 796145-1100
Bose Smart Soundbar 900 Home Theater Bundle (Black) 5.1.2-channel home theater bundle including Bass Module 500 and Surround Speakers 700 at Crutchfield
Bose Bass Module 500 – Powerful, Small Subwoofer
796145-1100 Bose Bass Module 500 Wireless Subwoofer Black VG
Bose Bass Module 500 Wireless Subwoofer for Bose Soundbars, Black - Walmart.com