RDL DS-RC2M Remote Audio Mixing Control Wall Plate with Mute ButtonThe D RC type remote audio mixing controls provide user accessible volume knobs for two or three sources. Each control is available with level controls only, or with level controls plus a muting button for each channel. They function exactly as a mixer without the need to send audio to and from the remote location. A rear panel RJ45 jack provides the connection for standard twisted pair wiring between the remote control and an RDL remote controlled