Electro-Harmonix Key 9
Checked by hand on 28 September 2026
2 versions · 103 for sale · 1,537 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 | New |
|---|---|---|---|---|
| KEY9 Electric Piano Machine | Typical used €13019 sold, 90 days | 99 | €132 | €216 |
| Key 9 | 1 | €244 |
For sale right now
Grouped by version, best-priced first within each. Each card says when we last confirmed its listing at the source. 2 listings do not say which version; they are at the end.
Electro-Harmonix KEY9 Electric Piano Machine
Typical used €130, the middle of 19 sales, last 90 days. Each card compares to its condition where eight sales carry it, to that figure otherwise.
€132
United StatesLast confirmed 5 h ago
ReverbShow 22 listings over typical
€139
United StatesLast confirmed 4 h ago
€141
United StatesLast confirmed 18 h ago
€149
United KingdomLast confirmed 18 h ago
€186
United KingdomLast confirmed 18 h ago
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