Two Rock Effects Loop Interface
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Why this number?
The typical used price is the median of 9 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 | €450 | median sold, rounded |
| Most sold between | €440–€490 | 25th to 75th percentile, same window |
| Window | last 24 months | the tightest of 90 days, 6 months and 24 months with 8 used sales |
| Sample | 9 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 | €490 | 13 used sales, 2017–2026; not used for deals |
| Sales on record | 19 | 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 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.
ReverbPrice history
Every recorded sale, one point each: 19 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
9 used sales · last 24 months · middle half €440–€490 · thin
| Listed | Price | Condition | From | Platform | The listing |
|---|---|---|---|---|---|
| 23 Aug 2026 | €334$375 as sold | excellent |  United States | Reverb | Details |
| 19 Aug 2026 | €490$550 as sold | excellent | United States | Reverb | Details |
| 23 Sept 2025 | €454$510 as sold | mint | United States | Reverb | Details |
| 29 May 2025 | €587$659 as sold | new |  Canada | Reverb | Details |
| 7 Mar 2025 | €534$599 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 Marketplaces do not publish the day a sale closed; each of these had sold by the time we recorded it, in September 2026 and October 2026.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.
Show all 19 recorded sales
| Listed | Price | Condition | From | Platform | The listing |
|---|---|---|---|---|---|
| 13 Aug 2026 | €496$575 as sold | excellent | United States | Reverb | Details |
| 26 Apr 2026 | €490$550 as sold | excellent | United States | Reverb | Details |
| 7 Mar 2026 | €401$450 as sold | excellent | United States | Reverb | Details |
| 24 Dec 2025 | €490$550 as sold | excellent | United States | Reverb | Details |
| 29 Nov 2025 | €445$500 as sold | excellent | United States | Reverb | Details |
| 16 Jan 2025 | €441$495 as sold | mint | United States | Reverb | Details |
| 6 Dec 2024 | €623$699 as sold | new | United States | Reverb | Details |
| 15 Nov 2024 | €534$599 as sold | new | Canada | Reverb | Details |
| 23 Feb 2022 | €713$799 as sold | new | United States | Reverb | Details |
| 25 Apr 2020 | €534$599 as sold | mint | United States | Reverb | Details |
| 9 Mar 2019 | €597$670 as sold | mint | United States | Reverb | Details |
| 14 Jul 2018 | €535$600 as sold | good | United States | Reverb | Details |
| 12 May 2017 | €712$799 as sold | new | United States | Reverb | Details |
| 28 Mar 2017 | €714$800 as sold | very good |  South Korea | 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: Canada €812 · before shipping
In one paragraph
The page's figures as one paragraph, assembled for quoting; not written by hand.
The Two Rock Effects Loop Interface sold for a median of €450 over the last 24 months across 9 recorded sales, with most examples landing between €440 and €490. There is 1 listing live right now across Reverb, from €812 asking. Figures computed 18 October 2026 by Doirado from cross-platform listing data.