
Roland A-300 PRO-R MIDI Keyboard Controller

The Roland A-300 PRO-R is a 32-key MIDI controller featuring velocity-sensitive keys, assignable controls, DAW integration, and Roland’s D-Beam technology, ideal for music production and live performance.


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Product Description
The Roland A-300 PRO-R is a versatile MIDI controller, designed for producers, musicians, and live performers. It features 32 velocity-sensitive keys with aftertouch, providing a responsive and dynamic playing experience.
With 8 dynamic pads, 9 faders, 9 rotary knobs, and transport controls, the A-300 PRO-R offers full control over DAWs, synths, and virtual instruments. Roland’s D-Beam controller allows for expressive sound manipulation, making it perfect for creative performance setups.
The USB bus-powered design ensures easy portability, while its solid construction guarantees durability. Compatible with Windows, Mac, and major DAWs, the A-300 PRO-R is a powerful addition to any studio or stage setup.
- Velocity-sensitive 32 keys with channel aftertouch.
- 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.
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Product Specifications
Features | |
Keyboard | 32 keys (with velocity and channel aftertouch) |
Controllers | Pads: [A1]–[A8], Buttons: [B1]–[B4], [L1]–[L9], Knobs: [R1]–[R9], Sliders: [S1]–[S9], Foot Pedals: HOLD (P1), EXPRESSION (P2), Bender Lever: BENDER, MODULATION, Keyboard: AFTERTOUCH [VALUE] knob |
Buttons | [ACT] button, [ < ] button, [ > ] button, [DUAL] button, [SPLIT] button, [UPPER] button, [LOWER] button, [SHIFT] button, [TRANSPOSE] button, OCTAVE [–] [+] button, 16 characters, 2 lines LCD (with backlit) |
Display | 16 characters, 2 lines LCD (with backlit) |
Side Panel | [POWER] Switch (USB/OFF/DC IN), [MIDI MERGE] Switch (ON/OFF) |
Connectors | HOLD (P1) Pedal Jack: 1/4 inch phone type, EXPRESSION (P2) Pedal Jack: 1/4 inch TRS phone type, MIDI Connectors (IN, OUT), USB Connector, DC IN Jack |
Power Supply | DC 9 V (AC Adaptor) or USB Bus Power |
Current Draw | 300 mA (AC Adaptor or USB Bus Power) |
Accessories | A-PRO CD-ROM, USB Cable, Owner’s Manual |
Options | Pedal Switch: DP-2/DP-10, Expression Pedal: EV-5, AC Adaptor (PSB series) |
Width | 605.9 mm 23-7/8 inches |
Depth | 250.8 mm 9-7/8 inches |
Height | 91.4 mm 3-10/16 inches |
Weight | 2.9 kg, 6 lbs. 7 oz. |