Teenage Engineering K.O. Sidekick
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Why this number?
The typical used price is the median of 15 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 | €130 | median sold, rounded |
| Most sold between | €120–€140 | 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 | 15 used sales | ok sample |
| By condition | same as typical | excellent, median of 14 sales, same window |
| 90-day change | +3% | vs the 90 days before |
| Time to sell | — | only counted from listings we watch start to finish; not enough yet |
| Live asks | €450 | typical ask across 8 listings, 246% above typical used |
| Outliers | dropped | beyond 10× the product’s own median: bundles, parts, typos |
| All-time | €130 | 19 used sales, 2026; not used for deals |
| Sales on record | 27 | 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 Germany, on Kleinanzeigen. Showing 1 local pickup ad in Germany, on Kleinanzeigen. Local pickup near you, in Germany: 1 ad on Kleinanzeigen.
Reverb
eBay Germany
eBay United States
2 more live · €529–€529 · typical ask €450 · most of these are new asks against a used typical
Price history
Every recorded sale, one point each: 27 of them, placed by the day the ad went up. Too few sales to draw a trend through them without inventing one, so the points speak for themselves. Condition is mixed, so some of the spread is a mint against a fair rather than the market moving.
Recent sales by listing date
15 used sales · last 90 days · middle half €120–€140 · ok
| Listed | Price | Condition | From | Platform | The listing |
|---|---|---|---|---|---|
| 15 Oct 2026 | €114$128 as sold | excellent |  United States | Reverb | Details |
| 15 Oct 2026 | €133$149 as sold | excellent | United States | Reverb | Details |
| 21 Aug 2026 | €106$119 as sold | very good | United States | Reverb | Details |
| 9 Jun 2026 | €159$179 as sold | new | United States | Reverb | Details |
| 4 Jun 2026 | €233$261 as sold | new |  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 September 2026 and October 2026. A price is what the listing last asked, converted at that day’s rate.
Show all 27 recorded sales
| Listed | Price | Condition | From | Platform | The listing |
|---|---|---|---|---|---|
| 22 Sept 2026 | €129$145 as sold | excellent | United States | Reverb | Details |
| 2 Sept 2026 | €138$155 as sold | excellent | United States | Reverb | Details |
| 31 Aug 2026 | €125$140 as sold | excellent | United States | Reverb | Details |
| 26 Aug 2026 | €134$150 as sold | excellent | United States | Reverb | Details |
| 23 Aug 2026 | €120$135 as sold | excellent | United States | Reverb | Details |
| 18 Aug 2026 | €143$160 as sold | excellent | United States | Reverb | Details |
| 18 Aug 2026 | €138$155 as sold | excellent | United States | Reverb | Details |
| 13 Aug 2026 | €115$129 as sold | excellent | United States | Reverb | Details |
| 6 Aug 2026 | €128$143 as sold | excellent | United States | Reverb | Details |
| 1 Aug 2026 | €129$145 as sold | excellent |  Canada | Reverb | Details |
| 31 Jul 2026 | €138$155 as sold | excellent | United States | Reverb | Details |
| 30 Jul 2026 | €138$155 as sold | excellent | United States | Reverb | Details |
| 30 Jul 2026 | €143$160 as sold | excellent | United States | Reverb | Details |
| 21 Jul 2026 | €102$115 as sold | excellent | United States | Reverb | Details |
| 16 Jul 2026 | €144$164 as sold | excellent | United States | Reverb | Details |
| 4 Jul 2026 | €129$145 as sold | excellent | United States | Reverb | Details |
| 28 Jun 2026 | €129$145 as sold | excellent | United States | Reverb | Details |
| 28 Jun 2026 | €129$145 as sold | excellent | United States | Reverb | Details |
| 23 Jun 2026 | €140$158 as sold | excellent | United States | Reverb | Details |
| 18 Jun 2026 | €142$159 as sold | excellent | United States | Reverb | Details |
| 12 Jun 2026 | €143$160 as sold | excellent | United States | Reverb | Details |
| 3 Jun 2026 | €159$179 as sold | new | 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 September 2026 and October 2026. A price is what the listing last asked, converted at that day’s rate.
Cheapest live: United States €159 · 
Germany €179 · 
Japan €371 · before shipping
In one paragraph
The page's figures as one paragraph, assembled for quoting; not written by hand.
Sellers are asking a median of €450 for the Teenage Engineering K.O. Sidekick today, 246% over the €130 it actually sells for (15 recorded sales, last 90 days; most sold between €120 and €140). There are 8 listings live right now across Reverb, eBay Germany, eBay United States, from €159 asking. Figures computed 19 October 2026 by Doirado from cross-platform listing data.