SBC-1 – 7-1/8 Inch speaker back cover Provide protection to the back side of the speaker, behind a bulkhead or wall. Covers wire connections and protects the speaker cone. Features: Slotted mounting holes match stud locations on most speakers Covers wire connectors Compact size fits Poly-Planar MA4054, MA4055, MA4056, MA8505, MA8506, MA6500 speakers Specifications: Diameter Size: 181mm (7-1/8″)
