Product Description

Optoma Monitor OP751RK+ 75" 4K-UHD 20 point interactive touch 2xHDMI USB speaker Brown Box

  • SKU: 228509
  • Vendor: Optoma Technology
  • MPN: OP751RK+
  • UPC: 796435690106
  • Overview
  • Specifications
4K UHD (3840 x 2160) resolution delivers extremely sharp images with 8.3-million pixels onscreen for unrivaled detail and clarity.

Daylight Viewing
A wide viewing angle with anti-glare glass ensures visibility in daylight for everyone in the room.

Seamless Interactivity
Experience multi-touch capabilities for seamless interactivity. Up to 20 touch points enable simple group creation and collaboration.

Blue Light Filter
Blue light from screens interrupt a body’s circadian rhythm, which causes feelings of tiredness. The built-in Blue Light Filter reduces eyestrain and tiredness by eliminating the blue light.

Extensive Connectivity
This projector features a wide variety of digital and analog video signals for input and output, including HDMI, VGA, composite and audio (I/O varies by model).

Wireless Content Sharing
Screen share from mobile devices via iMirror and ScreenShare wireless sharing apps for easy bring your own device (BYOD) collaboration.

Cloud Drive
Built-in support for popular cloud storage solutions, including Google Drive and Microsoft OneDrive, provide quick access to digital storage for easy sharing.

Inspire audience engagement with immediate results analysis from polls, quizzes and surveys via mobile devices.

Embedded Android System
An Android 7.0 operating system powered by an integrated dual-core ARM Cortex A73 processor delivers complete system functionality while providing fast boot times and powerful processing for smooth touch capabilities. The embedded GPU supports 4K resolution while onboard storage provides space for content storage and app installations.

2x 12W Speakers

Back Light

350 cd/m2

Compatible Operating System
Windows 10, Windows 8, Windows 7, Windows Vista, Windows XP, Windows 2000, Linux, Mac, Android

Audio In, audio out, AV in, coax out, HDMI 1.4 out, HDMI 2.0 in (3x), module slot, RJ45, RS232, USB 2.0 (4x), USB 3.0 (2x), USB touch out (2x), VGA in

Contrast Ratio

Displayable Colors
1.07 billion


Light Source Life
30,000 hrs

OS System
16 GB storage, 2GB RAM, 802.11 b/g/n (via USB adapter) WIFI, Android 7.0, ARM Cortex A73 Dual Core CPU, Mali-450 (5 Core) GPU

Power Consumption
450W, Standby is less than or equal to 0.5W

Power Source Hz

Power Supply
AC 100v-240v

3840 x 2160 (4K UHD)

Response Time (MS)

Surface Hardness

IR, up to 20 points touch

View Angle


Whats in the Box
Audio cable, basic user manual, Battery, CD, power cord, remote control, VGA cable / USB cable, wall mount w/ VESA bracket for mini-PC, WiFi adapter, writing pen

Item Dimension (L inchxW inchxH inch)
76 x 49 x 12

322.00 lb

Warranty Information
3 Years