Roland A-300PRO-R MIDI Keyboard Controller

Delivery, Warranty & Returns Information

Way more than a keyboard! Roland's A-300 PRO is one serious MIDI controller. Beyond having 32 velocity-sensitive keys for playing virtual instruments, this beast boasts a total of 45 assignable controls - knobs, buttons, sliders, and more. You can assign out the controls however you want, so you can get your hands on your mix, finger drum on the 8 Dynamic Pads, control recording start/stop/playback... whatever your workflow demands. If you're choosing your first MIDI controller, you can't go wrong with the A-300 PRO. The keys glide under your fingers, you've got controls for whatever you want, and it works with your Mac or PC. Nice.


  • 32-key MIDI controller with velocity-sensitive keys
  • 45 assignable controls: knobs, sliders, buttons, transport, and more
  • 8 dynamic pads for finger drumming and MIDI triggering
  • Sure-grip Pitch Bend/Modulation Stick
  • Sustain and Expression pedal jacks to expand playability
  • USB bus-powered - no AC adapter required
  • Both Mac and PC compatible
Tech Specs
Number of Keys: 32
Type of Keys: Semi-weighted
Aftertouch: Yes (via rotary encoder)
Pads: 8
Other Controllers: Pitch/Mod Lever
Encoders/Pots: 9
Faders: 9
Dedicated Transport Control: Yes
Pedal Inputs: 1 x Hold, 1 x Expression
USB: 1 x Type B
OS Requirements - Mac: OS X 10.8.5 or later
OS Requirements - PC: Windows 7 SP1 or later
Power Supply: Bus Powered, AC Adapter
Height: 3.63"
Width: 23.88"
Depth: 9.88"
Weight: 6.44 lbs.