Universal Audio Apollo x4 QUAD Thunderbolt 3 Audio Interface
pro_audio
Doirado is free: no paywall, no sign-up. If this saved you from overpaying, you can chip in. Support Doirado
Why this number?
The typical used price is the median of 12 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 | €910 | median sold, rounded |
| Most sold between | €860–€980 | 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 | 12 used sales | ok sample |
| By condition | same as typical | excellent, median of 8 sales, same window |
| 90-day change | +1% | vs the 90 days before |
| Time to sell | — | only counted from listings we watch start to finish; not enough yet |
| Live asks | €1,198 | typical ask across 12 listings, 32% above typical used |
| Outliers | dropped | beyond 10× the product’s own median: bundles, parts, typos |
| All-time | €1,200 | 627 used sales, 2019–2026; not used for deals |
| Sales on record | 681 | 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.
eBay United States
Reverb
6 more live · €1,204–€2,446 · typical ask €1,198 · 4 United States · 1 United Kingdom
- €1,20432% over typicalexcellent ·
United Kingdom · Reverb · confirmed 38 h ago - €1,27840% over typicalgood ·
United States · eBay United States · confirmed 38 h ago - €1,32345% over typicalgood · United States · eBay United States · confirmed 38 h ago
- €1,33647% over typicalnew · United States · eBay United States · confirmed 38 h ago
- €2,048125% over typicalnew · United States · Reverb · confirmed 14 h agocheck this is the same unit
- €2,446169% over typicalnew ·
Italy · Reverb · confirmed 14 h agocheck this is the same unit
Price history
What it sold for, quarter by quarter, since Jan 2020: 624 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
12 used sales · last 90 days · middle half €860–€980 · ok
| Listed | Price | Condition | From | Platform | The listing |
|---|---|---|---|---|---|
| 10 Oct 2026 | €993$1,113 as sold | excellent | Italy | Reverb | Details |
| 6 Oct 2026 | €848$950 as sold | excellent | United States | Reverb | Details |
| 22 Sept 2026 | €847$949 as sold | very good | United States | Reverb | Details |
| 1 Sept 2026 | €869$974 as sold | very good | United States | Reverb | Details |
| 12 Aug 2026 | €1,054$1,198 as sold | good |  Estonia | 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 681 recorded sales
| Listed | Price | Condition | From | Platform | The listing |
|---|---|---|---|---|---|
| 30 Sept 2026 | €848$950 as sold | excellent | United States | Reverb | Details |
| 22 Sept 2026 | €902$1,011 as sold | excellent | United States | Reverb | Details |
| 19 Sept 2026 | €966$1,099 as sold | excellent | United States | Reverb | Details |
| 25 Aug 2026 | €918$1,029 as sold | excellent | United States | Reverb | Details |
| 5 Aug 2026 | €979$1,140 as sold | excellent | United States | Reverb | Details |
| 31 Jul 2026 | €880$1,025 as sold | excellent | United States | Reverb | Details |
| 30 Jul 2026 | €1,117$1,300 as sold | very good | United States | Reverb | Details |
| 21 Jul 2026 | €859$1,000 as sold | excellent | United States | Reverb | Details |
| 20 Jul 2026 | €1,074$1,250 as sold | excellent | United States | Reverb | Details |
| 18 Jul 2026 | €863$1,000 as sold | excellent | United States | Reverb | Details |
| 13 Jul 2026 | €874$1,018 as sold | very good | United States | Reverb | Details |
| 8 Jul 2026 | €848$950 as sold | excellent | United States | Reverb | Details |
| 29 Jun 2026 | €972$1,089 as sold | very good | United States | Reverb | Details |
| 28 Jun 2026 | €1,031$1,200 as sold | very good | United States | Reverb | Details |
| 15 Jun 2026 | €902$1,050 as sold | excellent | United States | Reverb | Details |
| 3 Jun 2026 | €869$975 as sold | very good | United States | Reverb | Details |
| 31 May 2026 | €887$1,033 as sold | excellent | United States | Reverb | Details |
| 31 May 2026 | €816$950 as sold | excellent | United States | Reverb | Details |
| 27 May 2026 | €1,118$1,299 as sold | excellent | United States | Reverb | Details |
| 11 May 2026 | €816$950 as sold | excellent | United States | Reverb | Details |
| 8 May 2026 | €1,074$1,250 as sold | excellent | United States | Reverb | Details |
| 5 May 2026 | €986$1,148 as sold | excellent | United States | Reverb | Details |
| 30 Apr 2026 | €976$1,100 as sold | very good | United States | Reverb | Details |
| 25 Apr 2026 | €1,096$1,276 as sold | very good | United Kingdom | Reverb | Details |
| 23 Apr 2026 | €1,159$1,349 as sold | excellent | United States | Reverb | Details |
| 23 Apr 2026 | €842$980 as sold | very good | United States | Reverb | Details |
| 19 Apr 2026 | €1,034$1,204 as sold | excellent |  Canada | Reverb | Details |
| 12 Apr 2026 | €1,033$1,200 as sold | very good | United States | Reverb | Details |
| 7 Apr 2026 | €817$950 as sold | excellent | United States | Reverb | Details |
| 6 Apr 2026 | €791$921 as sold | very good | United States | Reverb | Details |
| 4 Apr 2026 | €794$924 as sold | very good | United States | Reverb | Details |
| 30 Mar 2026 | €773$900 as sold | excellent | United States | Reverb | Details |
| 27 Mar 2026 | €902$1,050 as sold | very good | United States | Reverb | Details |
| 27 Mar 2026 | €1,271$1,480 as sold | excellent |  Belgium | Reverb | Details |
| 16 Mar 2026 | €773$900 as sold | good | United States | Reverb | Details |
| 15 Mar 2026 | €752$875 as sold | excellent | United States | Reverb | Details |
| 6 Mar 2026 | €816$950 as sold | excellent | United States | Reverb | Details |
| 4 Mar 2026 | €896$1,043 as sold | excellent | United States | Reverb | Details |
| 2 Mar 2026 | €870$975 as sold | excellent | United States | Reverb | Details |
| 2 Mar 2026 | €1,071$1,200 as sold | mint | United States | Reverb | Details |
| 2 Mar 2026 | €825$960 as sold | excellent | United States | Reverb | Details |
| 24 Feb 2026 | €862$999 as sold | good | United States | Reverb | Details |
| 21 Feb 2026 | €814$948 as sold | excellent | Canada | Reverb | Details |
| 17 Feb 2026 | €945$1,100 as sold | excellent | United States | Reverb | Details |
| 11 Feb 2026 | €794$925 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.
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 | 8 | €1,152 | €891 | €19 under (2%) |
| Canada | 1 | €1,069 | €1,069 | 17% over typical |
| Italy | 2 | €1,818 | €1,191 | 31% over typical |
| United Kingdom | 1 | €1,204 | €1,204 | 32% 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 €1,198 for the Universal Audio Apollo x4 QUAD Thunderbolt 3 Audio Interface today, 32% over the €910 it actually sells for (12 recorded sales, last 90 days; most sold between €860 and €980). There are 12 listings live right now across eBay United States, Reverb, from €891 asking. Figures computed 19 October 2026 by Doirado from cross-platform listing data.