Roland TB-03 Boutique Series Synthesizer Module Bass Line Synthesizer
keyboard
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Why this number?
The typical used price is the median of 29 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 | €260 | median sold, rounded |
| Most sold between | €250–€300 | 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 | 29 used sales | ok sample |
| By condition | €270 | excellent, median of 18 sales, same window |
| same as typical | very good, median of 8 sales, same window | |
| 90-day change | +2% | vs the 90 days before |
| Time to sell | — | only counted from listings we watch start to finish; not enough yet |
| Live asks | €343 | typical ask across 9 listings, 32% above typical used |
| Outliers | dropped | beyond 10× the product’s own median: bundles, parts, typos |
| All-time | €240 | 954 used sales, 2016–2026; not used for deals |
| Sales on record | 1,050 | all-time, all platforms |
| Closest new | €359 | Roland JD-08 Boutique Series Programmable Synthesizer Module at Thomann; a relative’s price, not this model’s |
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 United States3 more live · €489–€519 · typical ask €343 · most of these are new asks against a used typical
- €48988% over typicalnew ·
United States · Reverb · confirmed 21 h agocheck this is the same keyboard - €49289% over typicalnew · United States · eBay United States · confirmed 11 min agocheck this is the same keyboard
- €519100% over typicalnew ·
Japan · eBay United States · confirmed 10 min agocheck this is the same keyboard
Price history
What it sold for, quarter by quarter, since Oct 2016: 954 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
29 used sales · last 90 days · middle half €250–€300 · ok
| Listed | Price | Condition | From | Platform | The listing |
|---|---|---|---|---|---|
| 12 Oct 2026 | €268$300 as sold | excellent | United States | Reverb | Details |
| 10 Oct 2026 | €347$390 as sold | excellent | United States | Reverb | Details |
| 4 Oct 2026 | €257$288 as sold | very good | United States | Reverb | Details |
| 2 Oct 2026 | €284$275 as sold | good | United States | eBay United States auction | Details |
| 30 Sept 2026 | €254$285 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.
Show the last 50 of 1,050 recorded sales
| Listed | Price | Condition | From | Platform | The listing |
|---|---|---|---|---|---|
| 9 Oct 2026 | €312$350 as sold | excellent | United States | Reverb | Details |
| 6 Oct 2026 | €309$345 as sold | excellent |  United Kingdom | Reverb | Details |
| 2 Oct 2026 | €246$276 as sold | excellent | United Kingdom | Reverb | Details |
| 24 Sept 2026 | €263$299 as sold | very good | United States | Reverb | Details |
| 6 Sept 2026 | €223$250 as sold | excellent | United States | Reverb | Details |
| 4 Sept 2026 | €307$350 as sold | excellent | United States | Reverb | Details |
| 2 Sept 2026 | €305$353 as sold | mint | United Kingdom | Reverb | Details |
| 21 Aug 2026 | €258$300 as sold | excellent | United States | Reverb | Details |
| 20 Aug 2026 | €272$305 as sold | excellent | United States | Reverb | Details |
| 18 Aug 2026 | €328$370 as sold | excellent | United Kingdom | Reverb | Details |
| 17 Aug 2026 | €261$304 as sold | mint |   France | Reverb | Details |
| 13 Aug 2026 | €262$305 as sold | excellent | United States | Reverb | Details |
| 11 Aug 2026 | €240$280 as sold | excellent | United States | Reverb | Details |
| 11 Aug 2026 | €284$330 as sold | excellent | United Kingdom | Reverb | Details |
| 10 Aug 2026 | €271$315 as sold | very good | United States | Reverb | Details |
| 9 Aug 2026 | €253$295 as sold | excellent | United States | Reverb | Details |
| 6 Aug 2026 | €209$235 as sold | very good |  Switzerland | Reverb | Details |
| 6 Aug 2026 | €215$249 as sold | excellent | United States | Reverb | Details |
| 4 Aug 2026 | €257$299 as sold | very good | United States | Reverb | Details |
| 2 Aug 2026 | €301$350 as sold | excellent | United States | Reverb | Details |
| 30 Jul 2026 | €275$320 as sold | very good | United States | Reverb | Details |
| 28 Jul 2026 | €355$400 as sold | excellent |  Australia | Reverb | Details |
| 25 Jul 2026 | €257$290 as sold | very good | United States | Reverb | Details |
| 24 Jul 2026 | €247$288 as sold | excellent | United States | Reverb | Details |
| 18 Jul 2026 | €240$279 as sold | very good |  Belgium | Reverb | Details |
| 17 Jul 2026 | €311$350 as sold | excellent | United States | Reverb | Details |
| 17 Jul 2026 | €253$295 as sold | excellent | United States | Reverb | Details |
| 14 Jul 2026 | €436$491 as sold | new |  Italy | Reverb | Details |
| 10 Jul 2026 | €249$290 as sold | excellent | United States | Reverb | Details |
| 1 Jul 2026 | €249$290 as sold | very good | Italy | Reverb | Details |
| 1 Jul 2026 | €162$189 as sold | poor | United States | Reverb | Details |
| 30 Jun 2026 | €255$287 as sold | excellent | United States | Reverb | Details |
| 25 Jun 2026 | €286$333 as sold | excellent | United States | Reverb | Details |
| 23 Jun 2026 | €287$334 as sold | excellent |  Canada | Reverb | Details |
| 14 Jun 2026 | €271$315 as sold | very good | Australia | Reverb | Details |
| 7 Jun 2026 | €244$275 as sold | very good | United States | Reverb | Details |
| 6 Jun 2026 | €215$250 as sold | excellent | United States | Reverb | Details |
| 6 Jun 2026 | €266$310 as sold | very good | United States | Reverb | Details |
| 5 Jun 2026 | €240$279 as sold | excellent | United States | Reverb | Details |
| 3 Jun 2026 | €297$335 as sold | excellent | Belgium | Reverb | Details |
| 31 May 2026 | €279$325 as sold | very good | United States | Reverb | Details |
| 30 May 2026 | €311$350 as sold | excellent | United States | Reverb | Details |
| 30 May 2026 | €287$334 as sold | excellent |  Portugal | Reverb | Details |
| 18 May 2026 | €262$295 as sold | excellent | United States | Reverb | Details |
| 18 May 2026 | €258$300 as sold | excellent | 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 |
|---|---|---|---|---|
| Belgium | 1 | €225 | €225 | €35 under (13%) |
 Greece | 1 | €308 | €308 | 18% over typical |
| United Kingdom | 1 | €310 | €310 | 19% over typical |
| United States | 4 | €458 | €337 | 30% over typical |
| Japan | 2 | €431 | €343 | 32% 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 €343 for the Roland TB-03 Boutique Series Synthesizer Module Bass Line Synthesizer today, 32% over the €260 it actually sells for (29 recorded sales, last 90 days; most sold between €250 and €300). The closest version sold new, the Roland JD-08 Boutique Series Programmable Synthesizer Module, costs €359 at Thomann (read 29 August 2026). There are 9 listings live right now across Reverb, eBay United States, from €225 asking. Figures computed 18 October 2026 by Doirado from cross-platform listing data.