The A-PRO Series keyboards are perfect for use with a wide variety of software on Mac orPC including Ableton Live, Cubase, FL Studio, Garageband, Logic, Nuendo, Pro Tools, and SONAR. * Velocity-sensitive keys (available in 32, 49, and 61 key models) * Inspiring feel and response for serious players * 45 assignable controls: knobs, sliders, buttons, transport and more * 8 Dynamic Pads for finger drumming and MIDI triggering * Sure-grip Pitch Bend/Modulation Stick * Expand playability with Sustain and Expression Pedals (available separately) * USB Bus Powered no AC adaptor required (AC adaptor is an optional) * Durable Roland-quality manufacturing and craftsmanship * Ready to play with 3 included virtual instruments * Works with any DAW on Mac or PC * Supports Windows 7 and Mac OS X Snow Leopard