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Firmware, Manuals & Tools

Everything you need to keep your Mayer EMI instrument up to date. Download the latest firmware, owner’s manuals, and tools — all in one place.
MD850 Vibes ↓
MD900 ↓
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● Main Product

Vibes MD850

24-voice multitimbral desktop synthesizer · Current firmware: XVAOS V4.00,B
Latest Firmware

XVAOS V4.00,B — with VibesConnect

The biggest update yet. Includes VibesConnect browser-based DAW mode, new arpeggiator sync modes, sustain pedal support, preset preview player, drum computer refactoring, expression pedal auto-calibration, and dozens of fixes. 23 new factory presets and 10 new performances included.
How to update: The easiest way is via online update — go to Settings → System → Online Update on your Vibes. Alternatively, download the files below and install via USB pen drive.
Installation Guide (PDF)
Download V4.00,B (USB)
Presets V4.00 (380MB)
If you already have V4.00,A installed, download the delta preset update (75MB) instead.
Previous Firmware Versions
V3.10,F
OneKnob improvements, DJ Filter, Arpeggiator recording in clips, wavetable bend, unison 5th/7th detune, scope view, 100+ bug fixes.
Download V3.10,F
V3.03,A
OneKnob initial implementation, clip launcher fixes, MIDI running status, mixer CC response, online update improvements.
Download V3.03,A
V3.01,A and V3.00,A were initial shipping versions. All users should update to V4.00,B. · Full Changelog →
Manuals & Documentation

MD850 Vibes Documentation

📖

Owner's Manual

English · For firmware V3.10,F
Download PDF
📖

Benutzerhandbuch

Deutsch · Für Firmware V3.03,A
Download PDF
🚀

Quickstart Guide

English · Getting started
Download PDF
⚠️

Safety Instructions

DE, EN, FR, IT, ES
Download PDF
💾

Backup & Restore Tool

Transfer presets, performances, wavetables and samples via USB
Download Tool
📋

Installation Instructions

V4.00,B · USB pen drive update
Download PDF
Legacy Product

MD900

Desktop XVA synthesizer · Current XVAOS: V2.40,C · Firmware: V2.10,G
The MD900 shares the same XVA engine as the Vibes MD850. Presets are fully compatible between both instruments. The MD900 continues to receive maintenance updates.
MD900 XVAOS Updates
XVAOS V2.40,C — LATEST
Resonator panel controls fix, shaper control assignment, LFO release key fix.
Download V2.40,C
XVAOS V2.30,A
NEW: Juno 6 Chorus, MIDI clock/transport, clip launcher progress, web file access, blob-free preset change.
Download V2.30,A
Install instructions: V2.40,C (PDF) · V2.30,A (PDF)
Firmware (hardware support): Download Firmware V2.10,G — Required for newer MD900 serial numbers. Check the Firmware Changelog for details.
Full changelogs: XVAOS Changelog · Firmware Changelog
MD900 Documentation
📖

Owner's Manual

English · Deutsch
Manual extension V2.20: EN · DE
🚀

Quickstart

English · Deutsch
📋

Update Guides

Software Update: EN · DE
USB Stick Update: EN · DE
Backup & Restore: EN · DE
MD900 Tools & Data
🔧

Utilities

Backup & Restore Tool + Drumkit Sample Manager
Backup/Restore Tool V22.10
Drumkit Manager V22.06
💿

USB Stick Data

Recreate your MD900 USB stick from scratch. USB stick name must be MEMI.
V2.20,D (1.8 GB)
V2.11,B (580 MB)
🎹

Patch Packs

Factory presets and community sound packs
Patches Pack 2022
Data Pack May 2023 (V2.20)
Data Pack June 2023
Need Help?

Discord Community

Chat directly with the Mayer EMI team and other users. Horst, Ricardo, and Gernot are all active there.
Join Discord

Email Support

For technical questions, warranty issues, or anything else. We typically respond within 24 hours.
office@mayer-emi.at

Wiki & Knowledge Base

Tips, tricks, and technical documentation maintained by the team and community.
Open Wiki