Casio Casiotone 403 — Synth Resale Value
Keyboards and SynthsWhat a used Casio Casiotone 403 sells for on Reverb (median of 2 recent listings).
Casio Casiotone 403 value — Used $391.78. Prices updated July 2026.
Live on eBay right now
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Price data verified against · 1
Item details
- Brand
- Casio
- Make
- Casio
- Model
- Casiotone 403
- Year
- 1982
- Finishes seen
- Brown
- Used range
- $357.71 – $391.78
- Sample size
- 2 listings
Casio Casiotone 403 resale value
The used Casio Casiotone 403 has a median Reverb asking price of $391.78, ranging from $357.71 to $391.78 across 2 current listings.
What drives the price
For a used synth, vintage analog vs digital, working keys/sliders, polyphony, and original PSU move the price most. Vintage and limited runs command a premium; player-grade and modified examples sell for less.
Price guide
What this actually trades for — sold values by condition vs. what sellers are asking today
| Condition | Value | Based on |
|---|---|---|
| Used | $391.78 | eBay sold comps |
| Live asking — low / typical / high | $45 / $315 / $500 | 14 live eBay listings ↗ |
Market check: As of August 1, 2026, 14 live eBay listings ask $45.00–$500.00 (median $315.00). Asking prices sit about 20% below the typical sold value of $391.78 — a window worth checking for buyers.
Frequently asked questions
- What is the approximate resale value range for the Casiotone 403?
- Based on current listings, the Casiotone 403 ranges from $357.71 to $391.78.
- What year was this Casio model originally released?
- The Casio Casiotone 403 was released in 1982.
- What color finish has this keyboard been seen in?
- The finish seen for this model is Brown.
