API 527A 500 Series Compressor / Limiter Module
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 17 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 | €700 | median sold, rounded |
| Most sold between | €680–€730 | 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 | 17 used sales | thin data, treat as a rough guide |
| By condition | €710 | mint, median of 8 sales, same window |
| €690 | excellent, median of 9 sales, same window | |
| Time to sell | — | only counted from listings we watch start to finish; not enough yet |
| Live asks | €1,062 | typical ask across 10 listings, 52% above typical used |
| Outliers | dropped | beyond 10× the product’s own median: bundles, parts, typos |
| All-time | €690 | 20 used sales, 2024–2026; not used for deals |
| Sales on record | 28 | 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.
Reverb
eBay United States
4 more live · €1,062–€1,815 · typical ask €1,062 · most of these are new asks against a used typical
- €1,06252% over typicalnew ·
United States · eBay United States · confirmed 32 h ago - €1,06252% over typicalnew · United States · Reverb · confirmed 3 days ago
- €1,06252% over typicalnew · United States · Reverb · confirmed 3 days ago
- €1,815163% over typicalexcellent ·
Hungary · Reverb · confirmed 2 h agocheck this is the same unit
Price history
Every recorded sale, one point each: 28 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
17 used sales · last 24 months · middle half €680–€730 · thin
| Listed | Price | Condition | From | Platform | The listing |
|---|---|---|---|---|---|
| 29 Jul 2026 | €788$899 as sold | new | United States | Reverb | Details |
| 12 Jul 2026 | €730$850 as sold | excellent | United States | Reverb | Details |
| 6 Jul 2026 | €686$799 as sold | excellent | United States | Reverb | Details |
| 26 Aug 2025 | €726$845 as sold | mint | United States | Reverb | Details |
| 30 Jun 2025 | €700$815 as sold | mint | 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 September 2026. A price is what the listing last asked, converted at that day’s rate.
Show all 28 recorded sales
| Listed | Price | Condition | From | Platform | The listing |
|---|---|---|---|---|---|
| 12 Jul 2026 | €730$850 as sold | excellent | United States | Reverb | Details |
| 25 May 2026 | €644$750 as sold | excellent | United States | Reverb | Details |
| 19 May 2026 | €644$750 as sold | excellent | United States | Reverb | Details |
| 30 Nov 2025 | €685$797 as sold | excellent | United States | Reverb | Details |
| 30 Nov 2025 | €687$800 as sold | excellent | United States | Reverb | Details |
| 11 Jun 2025 | €679$790 as sold | mint | United States | Reverb | Details |
| 27 May 2025 | €636$740 as sold | mint | United States | Reverb | Details |
| 30 Apr 2025 | €709$825 as sold | mint | United States | Reverb | Details |
| 30 Apr 2025 | €709$825 as sold | mint | United States | Reverb | Details |
| 27 Feb 2025 | €687$800 as sold | excellent | United States | Reverb | Details |
| 26 Feb 2025 | €784$908 as sold | excellent | United States | Reverb | Details |
| 27 Jan 2025 | €730$850 as sold | mint | United States | Reverb | Details |
| 27 Jan 2025 | €730$850 as sold | mint | United States | Reverb | Details |
| 15 Dec 2024 | €1,330$1,549 as sold | excellent | United States | Reverb | Details |
| 21 May 2024 | €910$1,055 as sold | excellent | United States | Reverb | Details |
| 8 May 2024 | €687$800 as sold | mint | United States | Reverb | Details |
| 15 Mar 2024 | €623$725 as sold | mint | United States | Reverb | Details |
| 17 Jan 2024 | €623$725 as sold | mint | United States | Reverb | Details |
| 1 Dec 2023 | €1,031$1,195 as sold | new | United States | Reverb | Details |
| 25 Oct 2023 | €1,031$1,195 as sold | new | United States | Reverb | Details |
| 8 Jun 2023 | €1,026$1,195 as sold | excellent | United States | Reverb | Details |
| 27 Dec 2021 | €871$1,011 as sold | new |  Italy | Reverb | Details |
| 8 Jun 2021 | €1,029$1,195 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 August 2026 and September 2026. A price is what the listing last asked, converted at that day’s rate.
Cheapest live: United States €680 · Hungary €1,815 · 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 €1,062 for the API 527A 500 Series Compressor / Limiter Module today, 52% over the €700 it actually sells for (17 recorded sales, last 24 months; most sold between €680 and €730). There are 10 listings live right now across Reverb, eBay United States, from €680 asking. Figures computed 19 October 2026 by Doirado from cross-platform listing data.