Seaside Modular Proteus — Synth Resale Value
Keyboards and SynthsWhat a used Seaside Modular Proteus sells for on Reverb (median of 2 recent listings).
Seaside Modular Proteus value — Used $324. Prices updated July 2026.
Used
$324
New / Sealed
—
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Price data verified against · 1
Item details
- Brand
- Seaside Modular
- Make
- Seaside Modular
- Model
- Proteus
- Year
- 2026
- Finishes seen
- Blue & Black Faceplates
- Used range
- $324 – $324
- Sample size
- 2 listings
Seaside Modular Proteus resale value
The used Seaside Modular Proteus has a median Reverb asking price of $324, ranging from $324 to $324 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 | $324 | eBay sold comps |
| Live asking — low / typical / high | $325 / $325 / $325 | 1 live eBay listings ↗ |
Market check: As of August 4, 2026, 1 live eBay listing ask $325.00–$325.00 (median $325.00). That's in line with the typical sold value of $324.00.
Frequently asked questions
- What finishes are available for the Proteus?
- The available finishes seen are Blue and Black faceplates.
- Is the price for the Proteus fixed?
- Yes, the used range for the Proteus is consistently listed at $324.
- How many listings are currently available for the Proteus?
- There are currently two listings available for the Seaside Modular Proteus.
