ProSign inJoin
open-mpk4, image 1 from its README
1/9
Firmware

open-mpk4

Peaking96/100

Open firmware for the Akai MPK mini IV: 8-track looper, harmony, arp, step edit, nine mod-wheel effects and a TE-style screen.

open-mpk4 is custom firmware for the Akai Professional MPK mini IV, by @giusmarci. Open source under MIT, latest release v1.0.0 (November 2026), 17 stars on GitHub.

forAkai Professional MPK mini IV·by@giusmarci

Downloads
2
Stars
17
Forks
3
Commits
2
Last commit
Download v1.0.0

openmpk4_v1.0.0_fw40.07_app_package.bin· 105 KB· +1 file

MIT· giusmarci/open-mpk4·giusmarci.github.io/open-mpk4/·downloads come from the creator’s GitHub releases

2
Commits
1
Releases
2 commits and 1 release in the last year
Activity · last 12 months

Threads

No threads about open-mpk4 yet.

Ask a question, share a build log or show what you made with it.

Comments on open-mpk4

Sort by:

    Loading comments…

    Requests

    No open ReQuests.

    Ask for a feature, a port or docs; people back it with Ware and someone builds it.

    Mentioned in

    Not mentioned yet.

    Threads and comments that link to open-mpk4 show up here.