- Model: A-300PRO - Type: MIDI Keyboard Controller Unused, but the box has been opened. The item in the first image will be sent. The box is quite damaged. Thank you for viewing. Please check the condition in the photos. Please understand that this is a used item stored by a private individual, and purchase accordingly. Please refrain from purchasing if you are looking for a perfect item or are very particular about condition. Feel free to leave a comment! ⭐︎Instant purchase OK ⭐︎No price reduction ⭐︎Please "like" only if you intend to purchase. ⭐︎Also listed on other sites, so it will end when it's gone.