MXR Blue Box
Checked by hand on 7 October 2026
Across every version sold in the last 12 months. The versions sell for much the same, so this one number holds. 116 for sale right now.
Why these numbers?
Median of 29 recorded sales across all versions in the last 12 months, outliers excluded. 1,371 sales on record all-time. Full method
Pick your version
Same name, different money: prices are per version.
| Version | Typical used | For sale | From | New |
|---|---|---|---|---|
| M103 Blue Box Octave | Typical used €5011 sold, 6 months | 101 | €53 | |
| Blue Box Script | Typical used €1808 sold, 2 years | 3 | €440 | |
| Blue Box M103 Reissue 2007 - Present Blue | 1 sold | |||
| Blue Box 1973 - 1975 Sammlerstück | 1 | €205 | ||
| Blue Box MX-103 Block | 2 sold | |||
| Blue Box (version not filed)ads that name no version yet, and 1 more are tied to the family alone, on no row here | Typical used €6010 sold, 2 years | 10 | €80 | €117 |
For sale right now
2 local pickup ads in Portugal, on OLX Portugal. Showing 2 local pickup ads in Portugal, on OLX Portugal. Local pickup near you, in Portugal: 2 ads on OLX Portugal.
OLX Portugal
1 local pickup ad in Germany, on Kleinanzeigen. Showing 1 local pickup ad in Germany, on Kleinanzeigen. Local pickup near you, in Germany: 1 ad on Kleinanzeigen.
Grouped by version, best-priced first within each. Each card says when we last confirmed its listing at the source. 1 listing does not say which version; they are at the end.
Blue Box M-103
Show 24 listings over typical
Reverb
One of each
eBay GermanyVersion not stated
The title does not name a model, so there is no reference price on these.
