Boss SP-303 Dr. Sample
keyboard
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Why this number?
The typical used price is the median of 21 used sales observed in the last 90 days, 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 | €370 | median sold, rounded |
| Most sold between | €360–€410 | 25th to 75th percentile, same window |
| Window | last 90 days | the tightest of 90 days, 6 months and 24 months with 8 used sales |
| Sample | 21 used sales | ok sample |
| By condition | €390 | excellent, median of 8 sales, same window |
| 90-day change | +2% | vs the 90 days before |
| Time to sell | 16 days | median of 9 listings watched from listing to sale |
| Sell-through | 9% | 11 watched listings resolved, 6 months |
| Didn’t sell here | €480 | median ask of 10 listings that ended without a sale, 6 months, 30% above typical used; all from Japan; 10 withdrawn by the seller |
| Live asks | €412 | typical ask across 34 listings, 11% above typical used |
| Outliers | dropped | beyond 10× the product’s own median: bundles, parts, typos |
| All-time | €340 | 1,027 used sales, 2014–2026; not used for deals |
| Sales on record | 1,041 | all-time, all platforms |
Typical prices are rounded (to 5 / 10 / 50 / 100 by size, in whichever currency you read); asks and the chart are exact. As of 19 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.
1 local pickup ad in Portugal, on OLX Portugal. Showing 1 local pickup ad in Portugal, on OLX Portugal. Local pickup near you, in Portugal: 1 ad on OLX Portugal.
OLX Portugal2 local pickup ads in Germany, on Kleinanzeigen. Showing 2 local pickup ads in Germany, on Kleinanzeigen. Local pickup near you, in Germany: 2 ads on Kleinanzeigen.
eBay Germany
eBay United States
Reverb
28 more live · €370–€731 · typical ask €412 · 21 Japan · 3 United Kingdom
- €370at typicalgood ·
Japan · eBay United States · confirmed 19 h ago - €371at typicalgood ·
United Kingdom · Reverb · confirmed 12 h ago - €372about typical (1% over)good · Japan · eBay United States · confirmed 19 h ago
- €374about typical (1% over)good · Japan · eBay Germany · confirmed 43 h ago
- €374about typical (1% over)very good · United Kingdom · Reverb · confirmed 36 h ago
- €377about typical (2% over)good · Japan · eBay United States · confirmed 19 h ago
- €377about typical (2% over)good · Japan · eBay Germany · confirmed 43 h ago
- €383about typical (4% over)good · Japan · eBay United States · confirmed 19 h ago
- €386about typical (4% over)good · Japan · eBay Germany · confirmed 43 h ago
- €4008% over typicalgood · Japan · eBay United States · confirmed 19 h ago
18 more · €406–€731 · Japan, Spain, United Kingdom, United States and 2 more
- €40610% over typicalgood · Japan · eBay United States · confirmed 19 h ago
- €41713% over typicalvery good ·
Spain · Reverb · confirmed 12 h ago - €43518% over typicalgood · Japan · eBay United States · confirmed 19 h ago
- €43518% over typicalvery good · Japan · Reverb · confirmed 12 h ago
- €43518% over typicalgood · Japan · eBay United States · confirmed 19 h ago
- €47428% over typicalgood · Japan · eBay United States · confirmed 19 h ago
- €54547% over typicalgood · Japan · eBay United States · confirmed 19 h ago
- €54648% over typicalgood · Japan · eBay United States · confirmed 6 days ago
- €55149% over typicalgood · Japan · eBay United States · confirmed 19 h ago
- €56854% over typicalvery good · United Kingdom · Reverb · confirmed 12 h ago
- €57856% over typicalgood · Japan · eBay United States · confirmed 19 h ago
- €66981% over typicalgood · Japan · eBay United States · confirmed 5 days agocheck this is the same keyboard
- €69187% over typicalparts · Japan · eBay United States · confirmed 5 days agocheck this is the same keyboard
- €69187% over typicalgood ·
United States · eBay United States · confirmed 5 days agocheck this is the same keyboard - €71593% over typicalgood · Japan · eBay Germany · confirmed 4 days agocheck this is the same keyboard
- €71884% over typicalexcellent ·
Italy · Reverb · confirmed 12 h agocheck this is the same keyboard - €73087% over typicalexcellent ·
Switzerland · Reverb · confirmed 12 h agocheck this is the same keyboard - €73198% over typicalgood · Japan · eBay United States · confirmed 5 days agocheck this is the same keyboard
Price history
What it sold for, quarter by quarter, since Oct 2015: 1,021 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
21 used sales · last 90 days · middle half €360–€410 · ok
| Listed | Price | Condition | From | Platform | The listing |
|---|---|---|---|---|---|
| 4 Oct 2026 | €447$500 as sold | good | United States | Reverb | Details |
| 3 Oct 2026 | €120$135 as sold | excellent | United States | Reverb | Details |
| 1 Oct 2026 | €384$430 as sold | excellent | Japan | Reverb | Details |
| 30 Sept 2026 | €373$420 as sold | good | United States | eBay United States | Details |
| 6 Sept 2026 | €374$420 as sold | very good | Japan | 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 the last 50 of 1,041 recorded sales
| Listed | Price | Condition | From | Platform | The listing |
|---|---|---|---|---|---|
| 27 Sept 2026 | €445$500 as sold | excellent | United States | Reverb | Details |
| 25 Sept 2026 | €370$415 as sold | excellent | United Kingdom | Reverb | Details |
| 25 Sept 2026 | €396$450 as sold | excellent | United States | Reverb | Details |
| 24 Sept 2026 | €381$432 as sold | good | Japan | eBay United States | Details |
| 14 Sept 2026 | €432$485 as sold | excellent | United States | Reverb | Details |
| 8 Sept 2026 | €368$420 as sold | good | United States | Reverb | Details |
| 6 Sept 2026 | €414$464 as sold | good | Spain | Reverb | Details |
| 3 Sept 2026 | €187$210 as sold | fair | United States | Reverb | Details |
| 23 Aug 2026 | €369$414 as sold | excellent | United Kingdom | Reverb | Details |
| 14 Aug 2026 | €129$150 as sold | fair | United States | Reverb | Details |
| 13 Aug 2026 | €481$540 as sold | very good | United States | Reverb | Details |
| 10 Aug 2026 | €356$400 as sold | good | United States | Reverb | Details |
| 5 Aug 2026 | €592$665 as sold | excellent | United States | Reverb | Details |
| 3 Aug 2026 | €344$400 as sold | very good | United States | Reverb | Details |
| 2 Aug 2026 | €316$368 as sold | very good | United Kingdom | Reverb | Details |
| 27 Jul 2026 | €373$434 as sold | very good | United States | Reverb | Details |
| 18 Jul 2026 | €313$365 as sold | good | United States | Reverb | Details |
| 15 Jul 2026 | €315$367 as sold | good | United States | Reverb | Details |
| 14 Jul 2026 | €335$390 as sold | very good | Japan | Reverb | Details |
| 7 Jul 2026 | €304$353 as sold | excellent | United Kingdom | Reverb | Details |
| 5 Jul 2026 | €331$385 as sold | good | United States | Reverb | Details |
| 4 Jul 2026 | €445$500 as sold | very good | United States | Reverb | Details |
| 3 Jul 2026 | €368$429 as sold | good | United States | Reverb | Details |
| 2 Jul 2026 | €449$522 as sold | very good |  France | Reverb | Details |
| 16 Jun 2026 | €513$576 as sold | very good |  Canada | Reverb | Details |
| 16 Jun 2026 | €365$425 as sold | very good | United States | Reverb | Details |
| 2 Jun 2026 | €361$420 as sold | excellent | United States | Reverb | Details |
| 19 May 2026 | €312$350 as sold | very good | United States | Reverb | Details |
| 19 May 2026 | €429$499 as sold | very good | United States | Reverb | Details |
| 18 May 2026 | €292$340 as sold | fair | United States | Reverb | Details |
| 17 May 2026 | €419$470 as sold | very good |  Austria | Reverb | Details |
| 17 May 2026 | €372$433 as sold | excellent | United States | Reverb | Details |
| 16 May 2026 | €401$450 as sold | very good | United States | Reverb | Details |
| 15 May 2026 | €387$450 as sold | excellent | United States | Reverb | Details |
| 19 Apr 2026 | €401$450 as sold | very good | United States | Reverb | Details |
| 17 Apr 2026 | €392$440 as sold | excellent | United States | Reverb | Details |
| 16 Apr 2026 | €472$550 as sold | very good | Japan | Reverb | Details |
| 13 Apr 2026 | €335$390 as sold | very good | United States | Reverb | Details |
| 7 Apr 2026 | €396$461 as sold | very good | United Kingdom | Reverb | Details |
| 2 Apr 2026 | €378$440 as sold | excellent | United States | Reverb | Details |
| 29 Mar 2026 | €429$500 as sold | very good | Japan | Reverb | Details |
| 21 Mar 2026 | €312$350 as sold | fair | United States | Reverb | Details |
| 15 Mar 2026 | €387$450 as sold | excellent | United States | Reverb | Details |
| 9 Mar 2026 | €401$450 as sold | very good | United States | Reverb | Details |
| 7 Mar 2026 | €322$375 as sold | very good | United States | 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 |
|---|---|---|---|---|
| Japan | 27 | €400 | €302 | €68 under (18%) |
| United Kingdom | 3 | €374 | €371 | 0% over typical |
| Spain | 1 | €417 | €417 | 13% over typical |
| United States | 1 | €691 | €691 | 87% over typical |
| Italy | 1 | €718 | €718 | 94% over typical |
| Switzerland | 1 | €730 | €730 | 97% over typical |
In one paragraph
The page's figures as one paragraph, assembled for quoting; not written by hand.
Listings of the Boss SP-303 Dr. Sample we watched from listing to sale typically went in 16 days (9 watched), a steady; it sells for a median of €370 over the last 90 days across 21 recorded sales, with most examples landing between €360 and €410. There are 34 listings live right now across eBay Germany, eBay United States, Reverb, from €302 asking, a median ask 11% over the sale median. Figures computed 19 October 2026 by Doirado from cross-platform listing data.