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Roland A-500PRO MIDI Keyboard Controller

Model: A-500PRO · US configuration

Black Roland A-500PRO MIDI keyboard controller showing its exact 49-key layout
Official Roland A-500PRO product image.

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A discontinued 49-key A-PRO controller with channel aftertouch, eight pressure-responsive pads, 9 knobs, 9 sliders, USB and MIDI IN/OUT.

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Why consider this model?

  • A source-based 49-key option for someone who wants a large assignable panel, channel aftertouch, eight pressure-responsive pads and a documented wired MIDI output.

Tradeoffs to weigh

  • It is discontinued, weighs 8 lb 7 oz and has a 33-1/16-inch body before cable clearance. The key mechanism is not described as weighted in the reviewed specification, and its control-map software, legacy serial card and present-day host compatibility require individual checks.
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