integrates with any audio system - even mini systems. A-BUS sends stereo music infrared system control and system power through one inexpensive 8-conductor wire to each room from your main system location.* LED indicator and source component on/off status * Manual Smooth Volume Control * Manual On/Off * Individual adjustment for setting maximum level and L/R balance * Line Out for connecting to external amp or powered subwoofer * Decora faceplate * 110 punchdown for CAT-5 A-BUS input * Screw down terminals for speaker and line output -- SPECIFICATIONs POWER RATING - 7.5 WRMS/Channel @ 8 Ohm T.H.D. - 1% @ 8 Ohm INPUT IMPEDANCE - 28k Ohm min. line input POWER REQUIREMENTS - +24VDC 750mA STATUS INPUT - Min. Requirement: +12VDC 20mA SCREW-DOWN TERMINALS- CAT 5 Color coded CONNECTIONS - 110 punchdown for A-BUS input-screw down terminals for speaker and line output.DIMENSIONS - (in-wall): 1.75W x 2.875H x 2.0D (45 x 73 x 50mm) WEIGHT - 6 oz. (170g)  (less)