This Polycom SoundStructure C16was recently removed from a university AV system in excellent working condition. Please note that there is some surface wear from prior use.There are several cut cables on the back of the unit that may be removed for shipping. The units each contain the phone / line interface card like the one in the picture. Each unit is similar to the one pictured, however there may be other wiring. There is no standard power cord included. According to our research, this system is supposed to provide animmersive sound experience for more productive voice and video conferences with sixteen channels in and out. It is supposed to offer extensive features like noise cancellation, mike mixing and response elimination. Please note that international customers are responsible for any customs duties charged to import. We appreciate international customers!Thanks for considering our media deals!