Simple Configuration, No Progra mming Needed Controls a Russound Audio Zone Provides Easy to Use Interface for Audio Control and Favorites PoE Powered: 802.3af (Power supply not included) Works with: MCA-66, MCA-88, MBX-AMP, MBX-PRE Includes Black and White Decora Inserts. Decora wall-plate not included and must be purchased separately Requires a Wired Ethernet Connection Mounting Depth Behind Faceplate: 1-1/32'(26.2 mm)