Pure Resonance Audio C3 3" 70 Volt Commercial Ceiling Speaker Installation In A Drop Ceiling Tile, Mounted To Drywall, and Pendant Mounted KitThe Pure Resonance Audio C3 3" micro ceiling mount speaker is our most versatile speaker yet. The C3 comes standard with a screw-on Easy-Mounting threaded mounting ring that’s engineered for mounting on ceiling tiles. Also available is a Drywall Mounting Ring for installing the C3 in conventional drywall ceilings with no above ceiling access. You can also use the Pendant Speaker Cover Kit with speaker wire and integrated safety cable that is designed for hanging the C3 in exposed open plenum ceilings, raked ceilings, and other contemporary open architectures. We’ve built an installation guide for the C3 70-volt commercial ceiling mount speaker using each of the 3 different mounting options - ceiling tile, drywall, and pendant mount.