M-VAVE FM-1 firmware
FoMni
Omnichord-style chord harp with rhythm patterns. by Charles Vestal

About
FoMni plays like a chord harp: the white keys are the strum plate, the black keys choose the chord, with rhythm patterns and an automatic bass line.
Compatibility
- M-VAVE FM-1Declared by the author · latest v0.3.2 · needs stock V15
Member “works on my unit” reports per release come with the community layer.
Latest release upstream
FoMni-1 0.4 · v0.4 · 15 Oct 2026 · 6 releases listed
- omni-0.4.fwsc · 595 KBSHA-256 71fa8304b91bff89078bfd27e981ed28ca4f0d3c5f406e8fdb5a2ab240fbdbb5
Synced from the author’s repository on 29 Oct 2026. Files stay with the author; Maru does not host them.
Install and safety
Untested. No compatibility reports yet. Maru has not tested it on hardware.
This release installs with the author's installer: Maru has no complete install record for it (data, samples or migration steps may be part of the installation).
- Put the unit on stock V15 first, and keep your own copy of the stock file from M-VAVE’s downloads so you can go back.
- Back up your presets with the current firmware’s own export before installing.
- Rescue: none documented for this firmware.
- If something goes wrong, follow the recovery ladder.
- The author's installer can also put M-VAVE's firmware back.