these sonos zone player zp100 digital stereo music system work as they should and offer a verity of connectivity so you can easily stream all your favorite music through the audio outputs featuring banana speaker jacks L/R rca digital audio coaxial rca these zp100's are perfect for any home audio system they do have minor scuffs do to we used them in our home but has no effect on the operation look at pictures closely please us shipping only thank you