Hey there! This is a pretty rare unit, and they are constantly sold out on the Audioscape website. I'm not going to explain it as well as they will, so I will take the details from the Audioscape website and let you read it yourself! It's been opened and tested, But it's pretty much brand new from them! Thanks for looking! The EQP-A. What more can we say? Well over a year of R&D, Listening Tests, and Analysis led us to some extremely revealing findings; with this knowledge in hand, we are proud to offer a FAITHFUL EQP Recreation that cuts no corners finally, makes no compromises, and upholds our mission of SONIC TRUTH! Built with Integrity. Built with Love. Built the AUDIOSCAPE way!