This article provides solutions to the most common MT48 issues.
Use it to quickly identify symptoms, potential causes, and corrective actions.
ISSUE | SYMPTOM | RESOLUTION |
| MT48 won't power on | Unit will not turn on | If using the original PSU, reconnect and wait 10 seconds When using POE, ensure switch supports POE+ and budget is not exceeded Try another outlet or switch |
| MT48 feels warm | Chassis is warm to the touch | Normal operation. Fan speed can be increased in Menu > Settings > General. Try elevating the MT48 with a mic stand to encourage better ventilation/airflow surrounding the unit. |
| Talkback Mic not working | Talkback mic inactive | Instrument Line Input 4 disables the Talkback Microphone. Disconnect to enable the Talkback Mic. |
| Red MT48 Agent icon / "Subnet conflict" warning | Red tray icon, network error message | IP conflict between AES67 Ravenna port and USB C Data connection. Use only one connection type at a time; disconnect either USB C Data or AES67 [depending on intended utilization] |
| MT48 not recognized on computer | Driver error, or missing device | Try swapping the USB C cables around, followed by another USB port on the computer. Avoid using a USB hub. |
| MT48 not visible in Web App | Device not detected | Reinstall MT48 Toolkit. Avoid USB hubs, try another USB port. Check version under Menu > Settings > Info. |
| MT48 Firmware update issues | Update Issues | Use the Neumann Agent > Show Available Updates Switch to Chrome if downloads are slow Do not interrupt updates |
| Touchscreen unresponsive or discolored | Outdated firmware | Update firmware using the latest MT48 Toolkit, and reboot the unit |
| Launch Remote Control app won't open [Windows] | App won't start | Missing components (Bonjour, Visual C++) Uninstall Bonjour and Microsoft Visual C++ (2015-2019) Reinstall both by reinstalling the MT48 Toolkit Reboot and relaunch |
| No sound but DAW shows levels | Incorrect routing | Confirm DAW outputs are routed to correct MT48 output pairs Use ASIO/CoreAudio driver in DAW Raise output level on MT48 if muted |
| Monitoring delay when speaking or recording | Latency | Lower buffer size in ASIO Driver Panel (Windows) or DAW (Mac) Use MT48's internal DSP for direct monitoring Disable DAW's input monitoring when using DSP |
| Dropouts during recording or playback | Latency or driver performance | Use MT48 ASIO or Core Audio driver Disable heavy plugins Apply OS Optimization Settings |
| Crackling or popping in audio | Latency or USB connection issues | Use the original USB cable. Try another USB port. Do not use a USB hub which can degrade performance Increase buffer size in ASIO Driver Panel (Windows) or DAW (Mac) Apply OS optimizations for realtime audio |