Speaker Wire Wall Bushing / Wall Brush vs Wall Plate Why we prefer passthrough speaker wire wall bushings and wall brushes over speaker wall plates.Skywalker Dual FeedThrough Bushing, White, Pack of 100 B009Z1LA86 $12.99 (100)Leviton 41075DBW Decora Brush Passthrough, White B019AIU2XM $6.00 (1)