Behringer Proton Desktop Semi-Modular Synthesizer
keyboard
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Why this number?
The typical used price is the median of 8 used sales observed in the last 6 months, with outliers removed and the figure rounded. An observed sale is often the last asking price rather than a confirmed hammer price.
| Typical used price | €280 | median sold, rounded |
| Most sold between | €280–€300 | 25th to 75th percentile, same window |
| Window | last 6 months | the tightest of 90 days, 6 months and 24 months with 8 used sales |
| Sample | 8 used sales | thin data, treat as a rough guide |
| Time to sell | — | only counted from listings we watch start to finish; not enough yet |
| Live asks | €409 | typical ask across 9 listings, 46% above typical used |
| Outliers | dropped | beyond 10× the product’s own median: bundles, parts, typos |
| All-time | €280 | 25 used sales, 2024–2026; not used for deals |
| Sales on record | 25 | all-time, all platforms |
| New | €329 | Thomann, read 28 August 2026 |
Typical prices are rounded (to 5 / 10 / 50 / 100 by size, in whichever currency you read); asks and the chart are exact. As of 18 October 2026. Full method, including what each badge means
For sale right now
The best-priced as cards, a row of them; every other ad as a line, by ask. Each ask is the seller’s own number; the platform’s mark opens the listing. Each one says when we last confirmed it at its source: the price and availability are from that visit, so check the marketplace before you go.
Reverb
eBay Germany3 more live · €465–€723 · typical ask €409 · 2 Japan · 1 Poland
- €46566% over typicalnew ·
Poland · eBay Germany · confirmed 4 days agocheck this is the same keyboard - €55398% over typicalgood ·
Japan · eBay Germany · confirmed 4 days agocheck this is the same keyboard - €723158% over typicalgood · Japan · eBay Germany · confirmed 4 days agocheck this is the same keyboard
Price history
What it sold for, quarter by quarter, since Apr 2025: 20 sales in quarters with at least three, and the bars along the floor show how many each quarter. The shaded band is where the middle half of sales landed.
Recent sales by listing date
8 used sales · last 6 months · middle half €280–€300 · thin
| Listed | Price | Condition | From | Platform | The listing |
|---|---|---|---|---|---|
| 13 Sept 2026 | €303$340 as sold | excellent |  United States | Reverb | Details |
| 7 Sept 2026 | €224$250 as sold | very good | United States | Reverb | Details |
| 24 Aug 2026 | €279$325 as sold | excellent | United States | Reverb | Details |
| 25 Oct 2025 | €322$375 as sold | mint | United States | Reverb | Details |
| 9 Oct 2025 | €242$282 as sold | mint |  United Kingdom | Reverb | Details |
A date is the day the ad went up. Marketplaces do not publish the day a sale closed; each of these had sold by the time we recorded it, in August 2026 and October 2026. A price is what the listing last asked, converted at that day’s rate.
Show all 25 recorded sales
| Listed | Price | Condition | From | Platform | The listing |
|---|---|---|---|---|---|
| 13 Jul 2026 | €283$329 as sold | excellent | United States | Reverb | Details |
| 3 Jul 2026 | €283$329 as sold | excellent | United States | Reverb | Details |
| 2 Jun 2026 | €295$344 as sold | excellent | United States | Reverb | Details |
| 14 May 2026 | €266$310 as sold | excellent | United States | Reverb | Details |
| 2 May 2026 | €322$375 as sold | excellent | United States | Reverb | Details |
| 19 Jan 2026 | €283$330 as sold | excellent | United States | Reverb | Details |
| 10 Jan 2026 | €288$335 as sold | excellent | United States | Reverb | Details |
| 8 Jan 2026 | €259$302 as sold | excellent | United States | Reverb | Details |
| 11 Sept 2025 | €265$308 as sold | mint | United States | Reverb | Details |
| 27 Aug 2025 | €275$320 as sold | excellent | United States | Reverb | Details |
| 31 Jul 2025 | €243$283 as sold | mint |  Germany | Reverb | Details |
| 6 Jul 2025 | €279$325 as sold | excellent | United States | Reverb | Details |
| 13 Jun 2025 | €236$275 as sold | excellent | United States | Reverb | Details |
| 13 May 2025 | €292$340 as sold | mint | United States | Reverb | Details |
| 5 May 2025 | €279$325 as sold | mint | United States | Reverb | Details |
| 4 May 2025 | €279$325 as sold | mint | United States | Reverb | Details |
| 6 Apr 2025 | €286$330 as sold | excellent | United States | Reverb | Details |
| 6 Mar 2025 | €299$348 as sold | excellent | United States | Reverb | Details |
| 17 Oct 2024 | €283$330 as sold | excellent | United States | Reverb | Details |
| 16 Oct 2024 | €243$283 as sold | mint | United Kingdom | Reverb | Details |
A date is the day the ad went up. Marketplaces do not publish the day a sale closed; each of these had sold by the time we recorded it, in August 2026 and October 2026. A price is what the listing last asked, converted at that day’s rate.
Where it’s cheapest right now
What sellers are asking today, by country. Asking prices, not sales; shipping, fees and any customs or import VAT between you and the seller are not included.
| Country | Live | Median ask | Cheapest ask | Cheapest vs typical |
|---|---|---|---|---|
| United States | 3 | €267 | €249 | €31 under (11%) |
| Germany | 1 | €292 | €292 | 4% over typical |
 Hong Kong SAR China | 1 | €409 | €409 | 46% over typical |
| Poland | 2 | €438 | €412 | 47% over typical |
| Japan | 2 | €638 | €553 | 98% over typical |
In one paragraph
The page's figures as one paragraph, assembled for quoting; not written by hand.
Sellers are asking a median of €409 for the Behringer Proton Desktop Semi-Modular Synthesizer today, 46% over the €280 it actually sells for (8 recorded sales, last 6 months; most sold between €280 and €300). New, it costs €329 at Thomann (read 28 August 2026), so a used one at the median saves about 15%. There are 9 listings live right now across Reverb, eBay Germany, from €249 asking. Figures computed 18 October 2026 by Doirado from cross-platform listing data.