Universal Audio Apollo x4 QUAD Heritage Edition Thunderbolt 3 Audio Interface
pro_audio
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Why this number?
The typical used price is the median of 10 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 | €920 | median sold, rounded |
| Most sold between | €890–€1,250 | 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 | 10 used sales | ok sample |
| By condition | €910 | excellent, median of 9 sales, same window |
| 90-day change | +2% | vs the 90 days before |
| Time to sell | — | only counted from listings we watch start to finish; not enough yet |
| Live asks | €1,466 | typical ask across 11 listings, 59% above typical used |
| Outliers | dropped | beyond 10× the product’s own median: bundles, parts, typos |
| All-time | €1,100 | 290 used sales, 2021–2026; not used for deals |
| Sales on record | 355 | 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.
Reverb
5 more live · €1,482–€2,323 · typical ask €1,466 · most of these are new asks against a used typical
- €1,48261% over typicalnew ·
Belgium · Reverb · confirmed 23 h ago - €1,65780% over typicalgood ·
United Kingdom · eBay Germany · confirmed 3 days agocheck this is the same unit - €2,257145% over typicalnew ·
Italy · Reverb · confirmed 23 h agocheck this is the same unit - €2,259146% over typicalnew ·
Germany · eBay Germany · confirmed 2 days agocheck this is the same unit - €2,323153% over typicalnew ·
United States · eBay United States · confirmed 6 days agocheck this is the same unit
Price history
What it sold for, quarter by quarter, since Oct 2021: 288 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
10 used sales · last 90 days · middle half €890–€1,250 · ok
| Listed | Price | Condition | From | Platform | The listing |
|---|---|---|---|---|---|
| 11 Oct 2026 | €870$975 as sold | excellent | United States | Reverb | Details |
| 3 Oct 2026 | €910$1,025 as sold | excellent | United States | Reverb | Details |
| 19 Aug 2026 | €945$1,100 as sold | very good | United States | Reverb | Details |
| 17 Jun 2026 | €857$998 as sold | very good | United States | Reverb | Details |
| 17 Mar 2026 | €624$700 as sold | good |  Switzerland | 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 355 recorded sales
| Listed | Price | Condition | From | Platform | The listing |
|---|---|---|---|---|---|
| 29 Sept 2026 | €891$1,000 as sold | excellent | United States | Reverb | Details |
| 10 Sept 2026 | €846$950 as sold | excellent | United States | Reverb | Details |
| 5 Sept 2026 | €932$1,080 as sold | excellent | United States | Reverb | Details |
| 4 Sept 2026 | €1,425$1,600 as sold | excellent | United States | Reverb | Details |
| 12 Aug 2026 | €1,346$1,567 as sold | excellent | Italy | Reverb | Details |
| 9 Aug 2026 | €1,612$1,809 as sold | excellent | United Kingdom | Reverb | Details |
| 30 Jul 2026 | €902$1,050 as sold | excellent | United States | Reverb | Details |
| 7 Jul 2026 | €945$1,100 as sold | excellent | United States | Reverb | Details |
| 24 Jun 2026 | €859$1,000 as sold | excellent | United States | Reverb | Details |
| 14 Jun 2026 | €945$1,100 as sold | excellent | United States | Reverb | Details |
| 12 Jun 2026 | €859$1,000 as sold | excellent | United States | Reverb | Details |
| 2 Jun 2026 | €859$1,000 as sold | excellent | United States | Reverb | Details |
| 31 May 2026 | €859$1,000 as sold | very good | United States | Reverb | Details |
| 29 May 2026 | €858$999 as sold | very good | United States | Reverb | Details |
| 15 May 2026 | €1,157$1,347 as sold | very good | United Kingdom | Reverb | Details |
| 6 May 2026 | €944$1,099 as sold | excellent | United States | Reverb | Details |
| 5 May 2026 | €988$1,150 as sold | excellent | United States | Reverb | Details |
| 26 Apr 2026 | €989$1,149 as sold | excellent | United States | Reverb | Details |
| 5 Apr 2026 | €885$1,030 as sold | excellent | United States | Reverb | Details |
| 2 Apr 2026 | €1,181$1,375 as sold | excellent | United States | Reverb | Details |
| 28 Feb 2026 | €1,031$1,200 as sold | very good | United States | Reverb | Details |
| 18 Feb 2026 | €1,114$1,250 as sold | excellent | United States | Reverb | Details |
| 10 Feb 2026 | €945$1,100 as sold | excellent | United States | Reverb | Details |
| 7 Feb 2026 | €988$1,150 as sold | excellent | United States | Reverb | Details |
| 6 Feb 2026 | €1,419$1,649 as sold | new |  Canada | Reverb | Details |
| 6 Feb 2026 | €943$1,098 as sold | excellent | United States | Reverb | Details |
| 25 Jan 2026 | €859$1,000 as sold | excellent | United States | Reverb | Details |
| 24 Jan 2026 | €946$1,099 as sold | excellent | United States | Reverb | Details |
| 20 Jan 2026 | €1,257$1,411 as sold | excellent |  Monaco | Reverb | Details |
| 14 Jan 2026 | €975$1,135 as sold | excellent | United States | Reverb | Details |
| 13 Jan 2026 | €859$1,000 as sold | excellent | United States | Reverb | Details |
| 5 Jan 2026 | €916$1,067 as sold | excellent | United States | Reverb | Details |
| 29 Dec 2025 | €874$1,018 as sold | very good | United States | Reverb | Details |
| 17 Dec 2025 | €1,069$1,245 as sold | excellent | United States | Reverb | Details |
| 6 Dec 2025 | €1,031$1,200 as sold | excellent | United States | Reverb | Details |
| 26 Nov 2025 | €970$1,129 as sold | mint | United States | Reverb | Details |
| 21 Nov 2025 | €945$1,100 as sold | excellent | United States | Reverb | Details |
| 13 Nov 2025 | €987$1,149 as sold | excellent | United States | Reverb | Details |
| 10 Nov 2025 | €980$1,100 as sold | excellent | United States | Reverb | Details |
| 10 Nov 2025 | €988$1,150 as sold | mint | United States | Reverb | Details |
| 5 Nov 2025 | €910$1,060 as sold | mint | United States | Reverb | Details |
| 4 Nov 2025 | €966$1,125 as sold | mint | United States | Reverb | Details |
| 2 Nov 2025 | €908$1,057 as sold | excellent | United States | Reverb | Details |
| 21 Oct 2025 | €945$1,100 as sold | excellent | United States | Reverb | Details |
| 19 Oct 2025 | €858$999 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.
Where it’s cheapest right now
What sellers are asking today, by country. Asking prices, not sales; shipping, fees and any customs or import VAT between you and the seller are not included.
| Country | Live | Median ask | Cheapest ask | Cheapest vs typical |
|---|---|---|---|---|
| United States | 7 | €889 | €800 | €120 under (13%) |
| Belgium | 1 | €1,482 | €1,482 | 61% over typical |
| United Kingdom | 1 | €1,657 | €1,657 | 80% over typical |
| Italy | 1 | €2,257 | €2,257 | 145% over typical |
| Germany | 1 | €2,259 | €2,259 | 146% over typical |
In one paragraph
The page's figures as one paragraph, assembled for quoting; not written by hand.
Sellers are asking a median of €1,466 for the Universal Audio Apollo x4 QUAD Heritage Edition Thunderbolt 3 Audio Interface today, 59% over the €920 it actually sells for (10 recorded sales, last 90 days; most sold between €890 and €1,250). There are 11 listings live right now across Reverb, eBay Germany, eBay United States, from €800 asking. Figures computed 18 October 2026 by Doirado from cross-platform listing data.