POLY-PLANAR 7 1/8" SPEAKER BACK COVER7-⅛; Speaker Back CoverProduct #: SBC1Provide protection to the back side of the speakers, behind a bulkhead or wall. Covers wire connections and protects the speakers cones. Features: Slotted mounting holes match stud locations on most speakersCovers wire connectorsCompact size fits PolyPlanar MA4054, MA4055, MA4056, MA8505, MA8506, MA6500 and MA5106 speakersSpecifications: Diameter Size: 7-⅛;“MPN: SBC-1
