3Leaf Audio Proton
Checked by hand on 12 September 2026
2 versions · 3 for sale · 845 sales on record. Pick a version for a price: these versions do not trade in one band.
Pick your version
Same name, different money: prices are per version.
| Version | Typical used | For sale | From |
|---|---|---|---|
| Proton MK2 | Typical used €2509 sold, 2 years | ||
| Proton (version not filed)ads that name no version yet | Typical used €25031 sold, 2 years | 3 | €283 |
For sale right now
Grouped by version, best-priced first within each. Each card says when we last confirmed its listing at the source.
3Leaf Audio Proton
Typical used €250, the middle of 31 sales, last 24 months. Each card compares to its condition where eight sales carry it, to that figure otherwise.
€283
Excellent typical €270
United StatesLast confirmed 3 days ago
Reverb
eBay United States
eBay Germany