APOGEE GiO USB Guitar Audiointerface for Apple-Computer, Unbalanced 6,3 mm high impedance instrument input, 6,3 mm MIDI Expression pedal input, Line-level, 6,3 mm stereo output for headphones, powered monitors , or an instrument amplifier, A/D and D/A conversion @ 44.1/48kHz, 24-bit, 5 Stompbox buttons, dynamically color coded to match software effects, 5 Transport control buttons, dynamically lit when engaged, 2 Previous/Next preset selection buttons,Control built into Apple’s GarageBand '09, Logic Pro 9, and MainStage 2 software, System Requirements: OS X 10.5.7 or greater - Apple’s GarageBand '09, Logic Pro 9, MainStage 2, Logic Express 9, incl. 5m USB-Cabel, 3m Cable 6,3 mm Jack to RCA (l/r), Dimensions: 180 x 460 x 65 mm