Used only 10 times. Like brand new, no visible wear or damage. Perfect working condition. Comes with original box. Do not hesitate to contact me with any questions you have. Happy Bidding!---Description below is copied from Guitar Center's website."Apollo Twin reinvents desktop recording by delivering legendary analog studio sound, feel, and flow to music creators everywhere. This 2x6 Thunderbolt audio interface for Mac combines the same impeccable 24/192 kHz audio conversion of Universal Audio's acclaimed Apollo series with onboard Realtime UAD SOLO Processing. So you can record your music in real time (at near-zero latency) through the full range of UAD plug-ins - from Neve, Studer, Manley, Lexicon, API and more (purchased separately) - putting racks of vintage EQs, compressors, tape machines, reverbs, and guitar amps at your fingertips.A Universal Audio breakthrough, Apollo Twin's Unison technology gives you the tone of the world's most sought-after tube and solid state mic preamps - including their all-important impedance, gain stage "sweet spots," and component-level circuit behaviors. Based on unprecedented hardware-software integration between Apollo's mic preamps and its onboard UAD plug-in processing, Unison lets you record through stunning emulations like the bundled UA 610-B Tube Preamp plug-in.Apollo Twin's smart feature set includes two class-leading mic/line preamps, two analog line outputs, two digitally controlled analog monitor outputs for full resolution at all listening levels, and up to eight additional channels of digital input via Optical connection. The Twin's onboard UAD SOLO Processing lets you use UAD plug-ins both during realtime tracking and for mixing within Pro Tools, Cubase, Logic, Ableton Live and more.With its ergonomic desktop design, rugged aluminum construction, and front panel headphone and instrument connections, Apollo Twin has all the right tools, all in the right place.