Keith McMillen Instruments K Board 25 MIDI Controller
keyboard
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Why this number?
The typical used price is the median of 14 used sales observed in the last 24 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 | €45 | median sold, rounded |
| Most sold between | €40–€75 | the middle half alone; more than one kind of item sells under this name |
| Window | last 24 months | the tightest of 90 days, 6 months and 24 months with 8 used sales |
| Sample | 14 used sales | thin data, treat as a rough guide |
| Time to sell | — | only counted from listings we watch start to finish; not enough yet |
| Outliers | dropped | beyond 10× the product’s own median: bundles, parts, typos |
| All-time | €50 | 154 used sales, 2015–2026; not used for deals |
| Sales on record | 188 | 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.
Nothing live right now on the platforms we track.
Price history
Every recorded sale, one point each: 188 of them, placed by the day the ad went up. The line follows the middle of the sales around each point, with the middle half behind it, and breaks wherever nothing sold nearby. Condition is mixed, so some of the spread is a mint against a fair rather than the market moving.
Recent sales by listing date
14 used sales · last 24 months · middle half €40–€75 · thin
| Listed | Price | Condition | From | Platform | The listing |
|---|---|---|---|---|---|
| 18 Sept 2026 | €78$87 as sold | very good |  United States | Reverb | Details |
| 17 Aug 2026 | €184$213 as sold | excellent |  United Kingdom | Reverb | Details |
| 7 Dec 2025 | €45$52 as sold | excellent | United States | Reverb | Details |
| 17 Nov 2025 | €36$42 as sold | very good | United States | Reverb | Details |
| 5 Nov 2025 | €38$44 as sold | 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 Marketplaces do not publish the day a sale closed; each of these had sold by the time we recorded it, in August 2026 and October 2026.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 188 recorded sales
| Listed | Price | Condition | From | Platform | The listing |
|---|---|---|---|---|---|
| 7 Aug 2025 | €43$50 as sold | excellent | United States | Reverb | Details |
| 28 Jun 2025 | €24$28 as sold | good | United States | Reverb | Details |
| 21 Jun 2025 | €69$80 as sold | excellent | United States | Reverb | Details |
| 15 May 2025 | €75$87 as sold | excellent | United States | Reverb | Details |
| 11 Apr 2025 | €86$100 as sold | very good | United States | Reverb | Details |
| 7 Dec 2024 | €43$50 as sold | mint | United States | Reverb | Details |
| 24 Nov 2024 | €40$46 as sold | excellent | United States | Reverb | Details |
| 11 Nov 2024 | €52$60 as sold | good | United States | Reverb | Details |
| 19 Oct 2024 | €30$35 as sold | good | United States | Reverb | Details |
| 6 Oct 2024 | €38$44 as sold | very good | United States | Reverb | Details |
| 22 Sept 2024 | €43$50 as sold | very good | United States | Reverb | Details |
| 18 Jul 2024 | €83$96 as sold | new | United States | Reverb | Details |
| 17 Jul 2024 | €63$73 as sold | excellent |   Belgium | Reverb | Details |
| 11 May 2024 | €34$40 as sold | very good | United States | Reverb | Details |
| 7 Apr 2024 | €21$25 as sold | fair | United States | Reverb | Details |
| 2 Feb 2024 | €64$75 as sold | excellent | United States | Reverb | Details |
| 3 Jan 2024 | €83$96 as sold | new | United States | Reverb | Details |
| 25 Dec 2023 | €39$45 as sold | very good | United States | Reverb | Details |
| 17 Oct 2023 | €34$39 as sold | good | United States | Reverb | Details |
| 16 Oct 2023 | €60$69 as sold | mint | United States | Reverb | Details |
| 14 Aug 2023 | €43$50 as sold | excellent | United States | Reverb | Details |
| 8 Aug 2023 | €73$85 as sold | good |  Netherlands | Reverb | Details |
| 1 Jul 2023 | €43$50 as sold | excellent | United States | Reverb | Details |
| 24 May 2023 | €43$50 as sold | mint | United States | Reverb | Details |
| 5 May 2023 | €49$57 as sold | excellent | United States | Reverb | Details |
| 23 Apr 2023 | €43$50 as sold | mint | United States | Reverb | Details |
| 10 Apr 2023 | €85$99 as sold | new | United States | Reverb | Details |
| 5 Apr 2023 | €50$58 as sold | mint | United States | Reverb | Details |
| 25 Mar 2023 | €47$55 as sold | excellent | United States | Reverb | Details |
| 24 Feb 2023 | €103$120 as sold | mint |  Germany | Reverb | Details |
| 11 Jan 2023 | €46$53 as sold | excellent | United States | Reverb | Details |
| 3 Jan 2023 | €47$55 as sold | excellent | United States | Reverb | Details |
| 12 Dec 2022 | €52$60 as sold | good | United States | Reverb | Details |
| 17 Nov 2022 | €43$50 as sold | very good | United States | Reverb | Details |
| 16 Nov 2022 | €56$65 as sold | excellent | United States | Reverb | Details |
| 15 Nov 2022 | €73$84 as sold | excellent | United States | Reverb | Details |
| 11 Nov 2022 | €47$55 as sold | excellent | United States | Reverb | Details |
| 3 Oct 2022 | €51$59 as sold | very good | United States | Reverb | Details |
| 3 Sept 2022 | €58$68 as sold | very good | United States | Reverb | Details |
| 18 Aug 2022 | €60$70 as sold | excellent | United States | Reverb | Details |
| 12 Aug 2022 | €43$50 as sold | excellent | United States | Reverb | Details |
| 2 Aug 2022 | €52$60 as sold | excellent | United States | Reverb | Details |
| 15 Jul 2022 | €76$88 as sold | excellent | United States | Reverb | Details |
| 12 Jul 2022 | €83$96 as sold | new | United States | Reverb | Details |
| 20 Jun 2022 | €47$55 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.
In one paragraph
The page's figures as one paragraph, assembled for quoting; not written by hand.
The Keith McMillen Instruments K Board 25 MIDI Controller sold for a median of €45 over the last 24 months across 14 recorded sales, with most examples landing between €40 and €75. Figures computed 19 October 2026 by Doirado from cross-platform listing data.