Royer R-DB20 dBooster Inline Microphone Signal Booster
pro_audio
Worth around€109
Most sell between €103 and €120.
€103price it to sell fast
€109fair price
€120if you can wait
Why these numbers?
| Typical price | €109 | median of 26 sales, last 24 months |
| Middle half of sales | €103–€120 | 25th–75th percentile, same window |
| Sales on record | 79 | all-time, all platforms, in EUR |
| Time to sell | — | only counted from listings we watch start to finish; not enough yet |
Outliers beyond 10× the product’s own median (bundles, parts, typos) are excluded before anything is computed. As of 3 September 2026. Full method
The Royer R-DB20 dBooster Inline Microphone Signal Booster sold for a median of €109 over the last 24 months across 26 recorded sales on European marketplaces, with most examples landing between €103 and €120. Figures computed 3 September 2026 by Doirado from cross-platform listing data, in EUR.
For sale right now
Best-priced first. Links go to the source listing.
Nothing live right now on the platforms we track.