Roland A49, MIDI/USB Keyboard Controller The Roland A-49 is a portable MIDI controller that has a lightweight, streamlined designas well as a premium-grade, full-sized keyboard with 49 velocity sensitive keys. The keys have a rounded shape for a comfortable touch. At less than 2 kilograms, it's easy to lift and carry, yet strong. For further portable convenience, the A-49 is USB bus powered and doesn't require an AC adapter or cable. Here at The Disc we think the A-49 is a dream for musicians seeking a simple, compact, and easy-to-use MIDI keyboard, with pro-quality playing feel. The A-49 is extremely easy to use. It has two knobs and two switches, as well as the invisible D-BEAM controller that enables you to add colour and excitement to your performance simply by the wave of a hand. All the controls are easily accessible and arranged to make your workflow fast and fluid. There are dedicated octave buttons, a transpose button, and LED indicators. Other settings can be accessed via