BLACK Wall Mount Bracket for UB-20 Compatible With Bose Cube Speakers Lifestyle 6 10 15 18 28 12 (Black) : Amazon.ca: Electronics
Metal Wall mount bracket for Bose 321 or Cinemate Speakers- Single | eBay
Metal Wall mount bracket for Bose 321 or Cinemate Speakers- Single | eBay
Replacement Bose Surround Speaker (Single, Grey) with Wall Mount Bracket for Bose 321 or Cinemate Systems
Bose Home In-Wall Speakers | Mercari
Steel Wall Mount Ceiling Bracket Stand for UB-20 Series II Compatible with All Bose CineMate Lifestyle(Not fit for Lifestyle 650) : Amazon.ca: Electronics