Monitor Optoma 5753RK 75 inch touchscreen-display 3840 x 2160

The Optoma 5753RK is a 75" interactive touchscreen display with a 3840 x 2160 (4K UHD) resolution and 420 cd/m² brightness. Designed for classroom and hybrid work environments, this display runs Android, offers ARM Cortex A76 + A55 processing, 64 GB of user memory and built-in audio. Google EDLA certification enables access to a full library of apps via the pre-installed Google Play Store. The 5753RK combines a sleek design with practical collaboration features such as an integrated whiteboard, annotation tools and multi-user real-time collaboration.

Advantages

The display supports pen-based interaction with pressure-sensitive pens and Magic Draw shape recognition, enabling natural handwriting and quick diagram creation. Built-in connectivity and whiteboard features allow simultaneous work from separate locations, while an 8-array microphone with up to 8 m pickup range and powerful onboard speakers (x2 18 W plus x2 8 W subwoofers) provide clear sound in large rooms without external amplification. VESA mounting and a 6 ms response time make it suitable for interactive lessons and presentations.

Suitable for (tasks / use cases)

• Classroom teaching and interactive lessons
• Hybrid meetings and remote collaboration
• Presentations in lecture halls and conference rooms
• Group workshops and brainstorming sessions

Key specifications

• Display diagonal: 75"
• Resolution: 3840 x 2160 (4K Ultra HD)
• Brightness: 420 cd/m²
• Response time: 6 ms
• Contrast ratio (typical): 5000:1
• Operating system: Android (pre-installed Google Play Store, Google EDLA certified)
• Processor: ARM Cortex A76 + A55
• User memory: 64 GB
• Speakers: x2 18 W + x2 8 W subwoofers
• Microphone: 8-array, pickup up to 8 m
• VESA mounting: Yes
• Weight: 51.4 kg

How to use

Turn on the display and open the pre-installed apps via the Android home screen or Google Play Store. Launch the integrated whiteboard by lifting the pen from its chassis to begin annotating, drawing with Magic Draw shape recognition or writing with pressure-sensitive pens. Connect devices via Wi‑Fi 6 or available ports to share screens or run collaborative sessions. Use the built-in microphone and speakers for audio during lessons and remote meetings.

Recommendations

For best performance in classrooms, mount the display at a height that provides clear sightlines for students, place the device within 8 m of participants for reliable microphone pickup, and use the onboard whiteboard and annotation tools for collaborative activities. Keep Android system and apps updated through the Google Play Store.