I don't sell my equipment often, but when I do, I make sure it's in excellent, working condition. I do NOT need any drama or unhappy buyers in my life. This AJA device is unused, still in the retail box. You can either buy an actual used device with dings and scratches or this unused, out of the box device for 50% of the retail price. The C10DA Analog BNC 1x6 Distribution Amplifier from AJA features one analog BNC video input and six BNC outputs that support NTSC and PAL signals. The unit supports bi-level and tri-level reference signals, and it features AES-id and LTC support. The amplifier features a DIP switch for input/output settings, signal termination, and gain. A universal power supply is included.