Amazon.com: Wall Mount Bracket for Samsung Soundbar HW-B550 B450 Q990B Q800B S60A N950 MS750 MS751 HW-MS650 HWMS650, 2 Pieces Black Sound Bar Wall Bracket with Wall Mounting Hardware Kit and User Instruction :
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Universal Soundbar Bracket for TVs with Protruded Part MD5421 – MountingDream
Amazon.com: AH96-04018A Replacement Wall Mount Bracket Fit for Samsung Soundbar HW-B450 HW-B550 HW-B550/ZA HW-B650 HW-Q930B HW-Q60B HW-S60A HW-Q800B HW-Q700B HW-Q910B HW-S800B HW-S800B/ZA HW-S801B HW-S801B/ZA : Electronics