Heilbronn Remote

Unofficial browser control panel for beyerdynamic MMX headsets

Connect a headset

  1. Pair the headset in your system's Bluetooth settings.
  2. Pick your model below and click Connect.
  3. Choose the headset in the browser's port picker.
Model

Control your beyerdynamic MMX headset without the phone app

Sound
Pick an EQ preset, tune the custom EQ and switch between noise cancelling and transparency.
Gaming
Turn on low-latency game mode and adjust sidetone.
Behaviour
Set voice prompts and their language, the voice assistant, status LED and auto power off.
Status
See battery, firmware and serial number, control playback and inspect live protocol traffic.

FAQ

Which headsets are supported?
The beyerdynamic MMX 100, MMX 150 and MMX 230. The MMX 150 is confirmed working on a real headset; the others are implemented but untested on device.
Which browsers work?
Desktop Chrome or Edge 117 or newer, or another Chromium-based browser. The headsets use classic Bluetooth serial (RFCOMM), which only Chromium's Web Serial can open. Firefox, Safari and mobile browsers cannot connect.
Do I need to install anything?
No. Pair the headset in your system's Bluetooth settings and connect from this page. Everything runs locally in your browser.