Boss SP-303
keyboard
Not enough sold data for a typical price — 7 sales on record all-time.
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Not enough sold data for a typical price. 8 for sale, from €390.
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
2 more live · €624–€632 · typical ask €565
Recent sales by listing date
| Listed | Price | Condition | From | Platform | The listing |
|---|---|---|---|---|---|
| 24 Feb 2026 | €402$450 as sold | very good |  United States | Reverb | Details |
| 16 Apr 2019 | €346$388 as sold | very good |  Japan | Reverb | Details |
| 16 Apr 2019 | €360$403 as sold | excellent | Japan | Reverb | Details |
| 23 Feb 2018 | €268$300 as sold | excellent | United States | Reverb | Details |
| 21 Oct 2015 | €245$275 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 Marketplaces do not publish the day a sale closed; each of these had sold by the time we recorded it, in October 2026. A price is what the listing last asked, converted at that day’s rate.
Show all 7 recorded sales
| Listed | Price | Condition | From | Platform | The listing |
|---|---|---|---|---|---|
| 27 Sept 2021 | €402$450 as sold | very good | United States | Reverb | Details |
| 11 Mar 2015 | €268$300 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 Marketplaces do not publish the day a sale closed; each of these had sold by the time we recorded it, in October 2026. A price is what the listing last asked, converted at that day’s rate.
Cheapest live: Japan €390 · United States €624 · before shipping
7 recorded sales of the Boss SP-303, too few to quote a typical used price. Cheapest live €390 before shipping. Figures computed 20 October 2026.