Sequential Tetra Desktop 4-Voice Polyphonic Synthesizer
keyboard
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Why this number?
The typical used price is the median of 8 used sales observed in the last 6 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 | €490 | median sold, rounded |
| Most sold between | €440–€570 | 25th to 75th percentile, same window |
| Window | last 6 months | the tightest of 90 days, 6 months and 24 months with 8 used sales |
| Sample | 8 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 | €470 | 513 used sales, 2015–2026; not used for deals |
| Sales on record | 520 | 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 20 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
What it sold for, quarter by quarter, since Jul 2015: 513 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
8 used sales · last 6 months · middle half €440–€570 · thin
| Listed | Price | Condition | From | Platform | The listing |
|---|---|---|---|---|---|
| 9 Sept 2026 | €614$700 as sold | excellent |  United States | Reverb | Details |
| 29 Jul 2026 | €601$700 as sold | excellent | United States | Reverb | Details |
| 17 Jul 2026 | €322$375 as sold | fair | United States | Reverb | Details |
| 16 Jul 2026 | €499$560 as sold | very good | United States | Reverb | Details |
| 9 Jun 2026 | €401$450 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 Marketplaces do not publish the day a sale closed; each of these had sold by the time we recorded it, in August 2026 and October 2026.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 520 recorded sales
| Listed | Price | Condition | From | Platform | The listing |
|---|---|---|---|---|---|
| 22 Jul 2026 | €472$550 as sold | excellent | United States | Reverb | Details |
| 3 Jul 2026 | €558$650 as sold | excellent | United States | Reverb | Details |
| 29 May 2026 | €449$523 as sold | very good | United States | Reverb | Details |
| 1 Apr 2026 | €550$618 as sold | excellent |  Australia | Reverb | Details |
| 2 Mar 2026 | €494$555 as sold | excellent | United States | Reverb | Details |
| 2 Feb 2026 | €359$403 as sold | very good |  Canada | Reverb | Details |
| 30 Jan 2026 | €672$754 as sold | excellent |   Spain | Reverb | Details |
| 25 Jan 2026 | €462$519 as sold | excellent | United States | Reverb | Details |
| 18 Jan 2026 | €559$628 as sold | very good |  France | Reverb | Details |
| 16 Jan 2026 | €365$425 as sold | good | United States | Reverb | Details |
| 6 Jan 2026 | €468$525 as sold | very good | United States | Reverb | Details |
| 29 Dec 2025 | €558$650 as sold | excellent | United States | Reverb | Details |
| 18 Dec 2025 | €468$525 as sold | excellent | United States | Reverb | Details |
| 28 Nov 2025 | €408$475 as sold | very good | United States | Reverb | Details |
| 22 Nov 2025 | €535$600 as sold | excellent | United States | Reverb | Details |
| 16 Nov 2025 | €535$600 as sold | very good | United States | Reverb | Details |
| 1 Nov 2025 | €487$567 as sold | excellent |  United Kingdom | Reverb | Details |
| 29 Oct 2025 | €512$575 as sold | excellent | United States | Reverb | Details |
| 14 Oct 2025 | €535$600 as sold | excellent | United States | Reverb | Details |
| 1 Oct 2025 | €472$550 as sold | excellent | United States | Reverb | Details |
| 1 Oct 2025 | €456$531 as sold | excellent | France | Reverb | Details |
| 8 Sept 2025 | €557$625 as sold | very good | United States | Reverb | Details |
| 3 Sept 2025 | €535$600 as sold | excellent | United States | Reverb | Details |
| 3 Sept 2025 | €579$650 as sold | excellent | United States | Reverb | Details |
| 29 Aug 2025 | €506$589 as sold | mint | United States | Reverb | Details |
| 28 Aug 2025 | €555$623 as sold | good |  Portugal | Reverb | Details |
| 19 Aug 2025 | €768$862 as sold | excellent | United States | Reverb | Details |
| 29 Jul 2025 | €610$711 as sold | excellent | Canada | Reverb | Details |
| 5 Jul 2025 | €548$615 as sold | excellent | United States | Reverb | Details |
| 11 May 2025 | €512$575 as sold | excellent | United States | Reverb | Details |
| 16 Apr 2025 | €575$645 as sold | good |  Netherlands | Reverb | Details |
| 15 Apr 2025 | €512$575 as sold | excellent | United States | Reverb | Details |
| 8 Apr 2025 | €490$550 as sold | excellent | United States | Reverb | Details |
| 7 Mar 2025 | €515$600 as sold | excellent | United States | Reverb | Details |
| 5 Mar 2025 | €579$650 as sold | excellent | United States | Reverb | Details |
| 4 Mar 2025 | €587$683 as sold | mint | United Kingdom | Reverb | Details |
| 2 Mar 2025 | €545$635 as sold | excellent | United States | Reverb | Details |
| 10 Feb 2025 | €464$540 as sold | excellent | United States | Reverb | Details |
| 4 Feb 2025 | €572$642 as sold | excellent |  Slovenia | Reverb | Details |
| 3 Feb 2025 | €512$575 as sold | excellent | United States | Reverb | Details |
| 2 Feb 2025 | €521$585 as sold | excellent | United States | Reverb | Details |
| 2 Feb 2025 | €534$599 as sold | mint | United States | Reverb | Details |
| 6 Jan 2025 | €517$580 as sold | excellent | United States | Reverb | Details |
| 29 Dec 2024 | €584$680 as sold | mint |  Italy | Reverb | Details |
| 16 Dec 2024 | €534$599 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.
Cheapest live: United States €463 · before shipping
In one paragraph
The page's figures as one paragraph, assembled for quoting; not written by hand.
The Sequential Tetra Desktop 4-Voice Polyphonic Synthesizer sold for a median of €490 over the last 6 months across 8 recorded sales, with most examples landing between €440 and €570. There is 1 listing live right now across Reverb, from €463 asking. Figures computed 20 October 2026 by Doirado from cross-platform listing data.