Optoma ZK431ST 4K UHD 4,100-Lumen Short Throw Laser DLP Projector

Optoma ZK431ST 3D Short Throw DLP Projector - 16:9 - Wall Mountable - White

The Optoma ZK431ST is a compact 4K UHD short throw laser projector designed for education, business, and conference room applications. With 4,100 lumens of brightness, it produces clear, vivid images in rooms with controlled to moderate ambient light. Native 4K UHD resolution delivers sharp text, detailed presentations, and engaging video, while DLP technology provides rich colors, deep blacks, and dependable image clarity.

Its 0.496:1 short throw lens projects large images from close range, helping reduce presenter shadows and making efficient use of limited room space. The ZK431ST supports screen sizes from 30 to 300 inches and offers 16:9 widescreen projection. DuraCore laser technology provides up to 30,000 hours of maintenance-free operation, helping eliminate lamp replacement interruptions. The projector also supports 3D content for compatible applications and includes HDMI connectivity for high-quality video and audio.

Installation is simplified with four-corner correction, plus or minus 15-degree keystone adjustment, and 360-degree projection capability for flexible placement. The Optoma Smart Control App enables mobile projector control and helps guide screen alignment from a compatible device. The wall-mountable white enclosure fits cleanly into classrooms, training areas, meeting rooms, and other professional spaces. The Optoma ZK431ST includes an AC power cord, remote control, two AAA batteries, and a quick-start user manual.

Features:

• DLP image technology produces bright, colorful visuals with deep blacks
• Native 4K UHD resolution provides sharp text, graphics, and video
• 4,100 lumens deliver clear, vivid images in moderate ambient light
• Short throw projection fills large screens from close range
• Supports screen sizes from 30 to 300 inches
• DuraCore laser technology provides up to 30,000 hours of maintenance-free operation
• 3D compatibility supports immersive content with compatible equipment
• 300,000:1 contrast ratio enhances detail and image depth
• Four-corner correction and plus or minus 15-degree keystone adjustment simplify installation
• 360-degree projection capability supports flexible placement
• Optoma Smart Control App enables mobile control and alignment assistance
• HDMI connectivity supports high-quality digital video and audio
• Wall-mountable white design suits classrooms and professional environments