NWOT!! Apogee brand Duet 2 2x4 USB Audio Interface for MAC Apogee's Duet is the most respected portable audio interface ever. Along with receiving many industry awards, Duet has also been instrumental in the creation of numerous GRAMMY winning records. It’s also portable so has a wide range of uses. Outside of box shows some signs of wear but this is a brand new item that’s been opened. Protective plastic is still on the face. Features & details USB 2, 0 audio with 24-bit/192kHz A/D and D/A conversion 2 Analog inputs with world-class mic preamps and selectable 48v phantom power 4 outputs, Independent speaker and headphone outs Full color OLED display Apogee Soft Limit Technology Sells new for $595.95!!