AtlasIED C-V ATMOSPHERE Volume Controller Wallplate | Color: BlackThe Atmosphere C V wall plate enables custom level adjustment, mute, and metering of a single zone. Each Atmosphere accessory is a plug and play, intelligent device, specifically designed to be approachable and intuitive. The Atmosphere accessory bus allows for up to 8 devices to be connected to a single accessory port, reliably sending audio and data over 1000ft per port.