Extron Videowall Mobile App for Quantum Ultra Enhanced with Powerful New Features

Posted on 25 June 2026

EMS Express Mobile Software – Quantum Ultra

Videowall control is now even easier with the latest update to our EMS Express Mobile Software – Quantum Ultra, which now supports live content preview and new Quantum IN4DTP3 and OUT4DTP3 cards.

Content preview puts your sources right in the EMS GUI as you design and recall presets. View picture files and live content when using Quantum Ultra II with IN4HDMI 4K PLUS, IN4FOX3, and IN4DTP3 cards. EMS is also now fully compatible with the new Quantum IN4DTP3 and OUT4DTP3 cards which integrate DTP3 twisted pair distribution directly into a Quantum Ultra II system. Its powerful features combined with the user-friendly interface and new enhanced capabilities make EMS‑Quantum Ultra an ideal solution for single- or multi-point user control of a videowall.

New Features

• Live content preview for Quantum Ultra II
• Support for Quantum IN4DTP3 input and OUT4DTP3 cards

Key Features

• Simplifies common operational tasks, such as preset selection, window management, and source switching
• Supports familiar operational gestures, including drag and drop, swipe, and tap
• Control videowalls from up to 10 mobile devices simultaneously
• Up to 50 login accounts with Admin, Designer, or User Permission Levels
• Manage up to 20 videowalls with varying resolutions and screen arrangements
• Canvas Access Permission
• Source Access Permission
• Alerts notify users of temperature warnings and more
• Prioritize windows by layer
• Allows simultaneous selection of multiple windows using a toolbar or contextual menu
• Compatible with Apple® iOS, Google® Android, and Microsoft® Windows 10 and Windows 11 devices
• Requires videowall processor with LinkLicense® for EMS–Quantum Ultra

EMS version 1.8 coincides with the release of Quantum Ultra firmware 6.03.

Learn More

EMS version 1.8 and Quantum Ultra Firmware 6.03 are now available for download.