Check the listing for details. Pair EVERTZ 7700ADA-AUD Balanced Analog Audio Distribution Amp Tested EB-15470. Condition: Used. Listed at 84.49 USD. Pair EVERTZ 7700ADA-AUD Balanced Analog Audio Distribution Amplifier (Configurable 1x8 or 2-1x4) - Both modules are used, but still in very good condition. Removed form working system, and in perfect working order. Does not include manual, or original packaging. NO OTHER ACCESSORIES ARE INCLUDED. The modules shows minor wear and scratches, and overall are both in good condition. (SEE PICTURES). All of the illumination is working, and the connections function as they're supposed to. One of the modules is missing (5) of the plugs to attach raw wires. Model #: 7700ADA-AUDSerial #: 2895210103, 2895210095 ELECTRONICS DISCLAIMER: Due to the nature of electronics, Serial numbers have been photographed and recorded, and tamper proof labels are used to prevent tampering. We strive to take excellent pictures and describe items as thoroughly and accurately as possible, but please don't hesitate to ask any questions that you may have. Thanks for looking!