MFB 503 — Synth Resale Value
Keyboards and SynthsWhat a used MFB 503 sells for on Reverb (median of 3 recent listings).
MFB 503 value — Used $430. Prices updated August 2026.
Live on eBay right now
Price data verified against · 1
Item details
- Brand
- MFB
- Make
- MFB
- Model
- 503
- Finishes seen
- Black
- Used range
- $425 – $446.35
- Sample size
- 3 listings
MFB 503 resale value
The used MFB 503 has a median Reverb asking price of $430, ranging from $425 to $446.35 across 3 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 | $430 | eBay sold comps |
| Live asking — low / typical / high | $105.28 / $564.8 / $631 | 5 live eBay listings ↗ |
Market check: As of August 4, 2026, 5 live eBay listings ask $105.28–$631.00 (median $564.80). Sellers are currently asking about 31% above the typical sold value of $430.00 — patient buyers can often do better than list price.
Frequently asked questions
- What is the typical price range for the MFB 503?
- Used MFB 503 models are currently listed between $320.84 and $359.58.
- What color is the MFB 503 available in?
- The finishes seen for the MFB 503 include Black.
- Are there many MFB 503s available right now?
- Currently, there are only 2 listings available for the MFB 503.
