Apogee Duet 2 2x4 USB Audio Interface Midi Recording Mic Studio Mac Apple for sale online | eBay
Apogee Duet - 2 IN x 4 OUT USB Audio Interface
Apogee Duet 2 Review
Amazon.com: Apogee Duet 3 - 2 Channel USB Audio Interface for Recording Mics, Guitars, Keyboards on MAC and PC - Great for Recording, Streaming, and Podcasting : Musical Instruments