The PB1-C is the one and only in-ceiling solution for the Sonos One™ and the Sonos Play:1™. The PayBox Ceiling Model is designed to conceal your Sonos speakers for multi-room audio, and/or as concealed rears channels with a Sonos home theater setup. You can utilize multiple PlayBoxes to create an ultra-lean, and incredibly rich sounding distributed audio system for a home or business environment, while eliminating the equipment rack, amplifiers and any need to run speaker wiring. The PB1-C is built with a metal housing and is suitable for Residential or Commercial applications. Learn More at www.thenos.us or contact our Pros for assistance.