Up for sale is a rare, complete vintage 1991 Casio RAP-1 Rapman 32-key synthesizer keyboard in Very Good condition.

Unlike most units listed online that are sold "bare," this listing includes the original box, instruction manuals, and the notoriously hard-to-find original Casio headset microphone. This complete setup makes it an exceptional piece for retro synth collectors, lo-fi producers, circuit benders, and nostalgia lovers.

Condition Details

• Cosmetic Condition: Very Good. The synth unit exhibits minimal wear from gentle age and normal use. The original box shows light shelf wear consistent with age, but structure and graphic colors remain intact.
• Battery Compartment: Clean battery bay with zero corrosion.
• Functional Condition: Fully tested and 100% operational.
• • All 32 mini-keys function smoothly.
  • Internal speaker output is clear with no harsh static.
  • Voice Effector / Pitch Slider works as intended with the microphone input.
  • Effect pads, scratch disc wheel, tempo control, and all internal beats/tones function properly.

Key Features & Specs

• 32 Mini-Keys with classic 3-note polyphony sound engine.
• Voice Pitch Effector: Real-time voice modulator pitch shift slider for your voice via the included headset microphone.
• 25 Preset Tones & 30 Preset Beats: Includes iconic early 90s rap, hip-hop, electronic, and synth beats.
• Interactive Pads & Scratch Disc: Built-in pads for hits, drums, and simulated DJ scratching.
• Audio Connections: Built-in speaker plus 1/8" (3.5mm) headphone/output jack and dedicated 1/8" mic input jack.
• Power: Runs on 5 AA batteries (not included) or standard 7.5V DC Casio power adapter (not included).

What's Included

1. Casio RAP-1 Rapman Synthesizer Keyboard
2. Original Casio Headset Microphone (1/8" jack)
3. Original Casio RAP-1 Product Box
4. Original User Manual / Paperwork

Shipping & Terms

• Item will be safely wrapped in bubble wrap and packed inside a secondary sturdy shipping box to protect the original vintage Casio retail box during transit.
• Shipped promptly with tracking and insurance.
• Feel free to message me with any questions or requests for specific photos prior to purchase!