Antelope Zen Quadro Synergy Core USB-C Audio Interface
pro_audio
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Why this number?
The typical used price is the median of 11 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 | €410 | median sold, rounded |
| Most sold between | €410–€420 | 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 | 11 used sales | thin data, treat as a rough guide |
| By condition | same as typical | excellent, median of 9 sales, same window |
| Time to sell | — | only counted from listings we watch start to finish; not enough yet |
| Live asks | €648 | typical ask across 16 listings, 58% above typical used |
| Outliers | dropped | beyond 10× the product’s own median: bundles, parts, typos |
| All-time | €420 | 37 used sales, 2024–2026; not used for deals |
| Sales on record | 54 | all-time, all platforms |
| New | €599 | Thomann, read 15 October 2026 |
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.
Reverb
10 more live · €645–€743 · typical ask €648 · most of these are new asks against a used typical
- €64557% over typicalnew ·
Canada · Reverb · confirmed 42 h ago - €64858% over typicalnew ·
United States · Reverb · confirmed 42 h ago - €64858% over typicalnew · United States · Reverb · confirmed 42 h ago
- €64858% over typicalnew · United States · Reverb · confirmed 42 h ago
- €64858% over typicalnew · United States · Reverb · confirmed 42 h ago
- €64858% over typicalnew · United States · Reverb · confirmed 42 h ago
- €64858% over typicalnew · United States · Reverb · confirmed 42 h ago
- €64858% over typicalnew · United States · Reverb · confirmed 42 h ago
- €72978% over typicalnew ·
Bulgaria · Reverb · confirmed 42 h ago - €74381% over typicalnew ·
Japan · Reverb · confirmed 42 h agocheck this is the same unit
Price history
Every recorded sale, one point each: 54 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
11 used sales · last 6 months · middle half €410–€420 · thin
| Listed | Price | Condition | From | Platform | The listing |
|---|---|---|---|---|---|
| 3 Oct 2026 | €473$529 as sold | excellent | United States | Reverb | Details |
| 21 Aug 2026 | €411$479 as sold | excellent | United States | Reverb | Details |
| 15 Jul 2026 | €400 | good |  Germany | eBay Germany | Details |
| 13 Jun 2026 | €603$699 as sold | new | United States | Reverb | Details |
| 28 May 2026 | €344$401 as sold | very good |  Spain | 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 54 recorded sales
| Listed | Price | Condition | From | Platform | The listing |
|---|---|---|---|---|---|
| 20 Aug 2026 | €412$480 as sold | excellent | United States | Reverb | Details |
| 17 Aug 2026 | €514$599 as sold | excellent | United States | Reverb | Details |
| 21 Jul 2026 | €413$481 as sold | excellent | United States | Reverb | Details |
| 13 Jul 2026 | €417$486 as sold | excellent | United States | Reverb | Details |
| 1 Jul 2026 | €415$483 as sold | excellent | United States | Reverb | Details |
| 1 Jul 2026 | €415$483 as sold | excellent | United States | Reverb | Details |
| 26 May 2026 | €516$601 as sold | mint | United States | Reverb | Details |
| 21 May 2026 | €627$729 as sold | new | United States | Reverb | Details |
| 19 May 2026 | €344$400 as sold | excellent | United States | Reverb | Details |
| 20 Apr 2026 | €387$450 as sold | excellent | United States | Reverb | Details |
| 5 Apr 2026 | €558$650 as sold | excellent | United States | Reverb | Details |
| 14 Mar 2026 | €429$499 as sold | excellent | United States | Reverb | Details |
| 24 Feb 2026 | €472$550 as sold | excellent | United States | Reverb | Details |
| 31 Jan 2026 | €387$450 as sold | excellent | United States | Reverb | Details |
| 20 Jan 2026 | €429$499 as sold | excellent | United States | Reverb | Details |
| 6 Jan 2026 | €558$648 as sold | excellent | United States | Reverb | Details |
| 18 Dec 2025 | €451$525 as sold | excellent | United States | Reverb | Details |
| 27 Nov 2025 | €472$550 as sold | excellent | United States | Reverb | Details |
| 25 Nov 2025 | €437$509 as sold | very good |  France | Reverb | Details |
| 11 Nov 2025 | €472$550 as sold | mint | United States | Reverb | Details |
| 4 Nov 2025 | €387$450 as sold | mint | United States | Reverb | Details |
| 16 Oct 2025 | €378$440 as sold | excellent | United States | Reverb | Details |
| 14 Oct 2025 | €550$639 as sold | mint | United States | Reverb | Details |
| 3 Aug 2025 | €420$489 as sold | mint | Canada | Reverb | Details |
| 25 Jun 2025 | €566$659 as sold | new | United States | Reverb | Details |
| 17 Jun 2025 | €387$450 as sold | mint | United States | Reverb | Details |
| 4 Jun 2025 | €629$729 as sold | new | United States | Reverb | Details |
| 28 May 2025 | €515$600 as sold | mint | United States | Reverb | Details |
| 23 Apr 2025 | €410$477 as sold | mint | United States | Reverb | Details |
| 18 Apr 2025 | €463$539 as sold | mint | United States | Reverb | Details |
| 21 Feb 2025 | €545$635 as sold | mint | United States | Reverb | Details |
| 5 Feb 2025 | €429$500 as sold | mint | United States | Reverb | Details |
| 4 Feb 2025 | €387$450 as sold | new | United States | Reverb | Details |
| 24 Jan 2025 | €344$400 as sold | mint | United States | Reverb | Details |
| 14 Jan 2025 | €472$550 as sold | mint | United States | Reverb | Details |
| 25 Dec 2024 | €331$385 as sold | mint | United States | Reverb | Details |
| 4 Dec 2024 | €387$450 as sold | new | United States | Reverb | Details |
| 30 Nov 2024 | €387$450 as sold | new | United States | Reverb | Details |
| 29 Nov 2024 | €328$380 as sold | excellent | United States | Reverb | Details |
| 23 Oct 2024 | €296$345 as sold | excellent | United States | Reverb | Details |
| 3 Oct 2024 | €343$399 as sold | very good | United States | Reverb | Details |
| 30 Sept 2024 | €387$450 as sold | mint | United States | Reverb | Details |
| 19 Sept 2024 | €541$629 as sold | excellent | United States | Reverb | Details |
| 6 Sept 2024 | €445$499 as sold | mint | United States | Reverb | Details |
| 30 Aug 2024 | €522$606 as sold | new | France | 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: 
Poland €521 · 
Portugal €522 · United States €559 · Canada €626 · 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 €648 for the Antelope Zen Quadro Synergy Core USB-C Audio Interface today, 58% over the €410 it actually sells for (11 recorded sales, last 6 months; most sold between €410 and €420). New, it costs €599 at Thomann (read 15 October 2026), so a used one at the median saves about 32%. There are 16 listings live right now across Reverb, from €521 asking. Figures computed 19 October 2026 by Doirado from cross-platform listing data.