The VIZIO sound bar mounts brackets, fits most of widths VIZIO sound bars.You can adjust it left and right to fit sound bars of different widths. It fits for Vizio sound bar model: sb4031-d5 sb4051-c0 sb4051-d5 sb4451-c0 sb4531-d5 sb4551-d5 s2920w-c0 s2920w-c0r sb2820n-e0 sb2821-d6 sb2920-c6 sb2920-d6s3820w-c0 s3820w-c0na s3821w-c0 s3821w-c0na s3821w-c0r s3821w-cna s3851w-d4sb3220n-f6 sb3621n-e8 sb3621n-e8m sb3621n-f8m sb3621n-g8 sb3630-e6 sb3651-e6 sb3651-f6 sb3851-c0 sb3851-c0m sb3851-d0 s4220w-e4 s4221w-c4 s4251w-b4 s5430w-c2 s5451w-c2 sb3820-c6 sb3820x-c6 sb3821-c6 sb3821-d6b sb3830-c6m sb3830-d0 sb3831-c6m sb3831-d0.
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