MIW-DUAL SIGNAL BAY provides a discreet and code compliant solution for a professional home theater installation. Provides an elegant, convenient solution for connecting signal lines from the source device to the display device when running cables within the building walls. May be used in conjunction with MIW-POWER-PRO and signal line modules (sold separately). Accommodates two blank module inserts with pass-through plugs (included) or two In-Wall protection modules (sold separately). Full metal housing. Enlarged faceplates (4.5" x 4.5") to accomodate oversize wall cutouts. Fits into many two-gang outlet brackets (old-work, low-voltage, Caddy-brand outlet bracket model MPAL2 included). Additional EMI/RFI noise filtration built into outlet receptacles. 14 AWG, solid wire connection for bonding / grounding to In-Wall AC units. 3 Year Product Warranty.