You are bidding on a perfectly working UA Apollo Duo interface. This unit sounds Amazing and comes with the fantastic sounding UAD stock analog bundle plugins and you can purchase more from UAD. It can connect via FireWire 800 or the installed Thunderbolt 2 card. The apollo interface includes the Console App that allows for zero latency monitoring while tracking and you can use the UAD plugins on tracks while recording with no latency and you can choose to print to track or only monitor only and record the tracks clean. The 4 Unison Mic Preamps sound great on their own and when you add the unison mic Pre plugins you have a range of great tones and options for recording. Also has digital I/O for expanding inputs and outputs 2 headphone outs. Everything you need !I will transfer ownership to your UAD account (free to setup ) upon sale. You also get 2 SHARC DSP processors that give you more processing power while mixing and the console app makes adding last minute overdubs easy and fast even with big complex mixes ! Don't miss out !Has minor scuffs / scratches from rack mounting but perfect working order ! There some minor dust in a couple of pics but that been thoroughly cleaned off. Power supply is only cable included.