Optoma ZK431ST Short Throw Projector UHD 4K 4100 ANSI Lumens Laser White
£2,056.18
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About this item
- UHD 4K native resolution delivering 1.073 billion colours for vibrant imagery
- 4100 ANSI lumens brightness with laser light source lasting 30000 hours
- Short throw projection design allowing 300 inch screens from 0.4 metres away
- Dual HDMI 2.0 ports supporting eARC plus USB and serial connectivity options
- 300000:1 contrast ratio enhancing depth and detail in dark scenes
- Built-in 15W speaker with password protection and Kensington cable lock slot
- Multiple aspect ratios including 4:3 16:9 and 21:9 for versatile content
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Description
Optoma ZK431ST – High Brightness Laser Projection
We recommend the Optoma ZK431ST Short Throw Projector UHD 4K 4100 ANSI Lumens Laser White for large venues. It delivers crisp imagery even in well-lit rooms. Your audience will appreciate the sharp detail and vibrant colour. This unit suits conference halls and education settings well.
Optoma ZK431ST Short Throw Projector UHD 4K 4100 ANSI Lumens Laser White Specs
| Metric | Specification |
|---|---|
| Resolution | UHD 4K (3840×2160) |
| Brightness | 4100 ANSI Lumens |
| Light Source | Laser (30,000 h) |
| Throw Ratio | 0.496:1 |
| Weight | 2.9 kg |
Brightness ensures clear visibility
The Optoma ZK431ST Short Throw Projector UHD 4K 4100 ANSI Lumens Laser White maintains clarity in bright rooms. 4100 ANSI lumens handle ambient light well. High contrast ratios deliver deep blacks. Images remain clear during day presentations. Viewers see content without squinting.
Space saving short throw design
Choose the Optoma ZK431ST Short Throw Projector UHD 4K 4100 ANSI Lumens Laser White for tight spaces. Project from close to the screen. This reduces shadows from presenters. Installation fits small meeting rooms easily. You save valuable floor space.
Long lasting laser light source
Expect 30,000 hours of use. Maintenance needs are minimal over time. The fan noise stays low at 29 dB. Quiet operation suits quiet environments.
What comes in the package
- Remote control included
- Power cable supplied
- Batteries included
- User manual provided
Confirm your setup needs
- Confirm your input sources use HDMI
- Confirm ceiling mount clearance is available
- Confirm screen size matches your room
Frequently Asked Questions
Q: Does this support 3D content?
A: Yes, it supports Frame Sequential 3D formats.
Q: Is the laser light source replaceable?
A: No, the laser lasts up to 30,000 hours.
Q: Can I control it over a network?
A: Yes, it includes RS-232 and RJ-45 control interfaces.
Q: What is the maximum screen size?
A: It supports screen sizes up to 300 inches.
Our final recommendation
This projector fits professional environments well. It offers high brightness and reliable performance.
Specifications
| Projector | |
|---|---|
| Number of colours | 1.073 billion colours |
| Projector native resolution | UHD 4K (3840x2160) |
| Native aspect ratio | 16:9 |
| Supported aspect ratios | 4:3, 16:10, 16:9, 21:9 |
| Screen size compatibility | 914.4 - 7620 mm (36 - 300") |
| Projection distance | 0.4 - 3.3 m |
| Contrast ratio (typical) | 300000:1 |
| Vertical scan range | 24 - 240 Hz |
| Horizontal scan range | 15 - 150 kHz |
| Uniformity | 75% |
| Keystone correction, vertical | 15° |
| Keystone correction, horizontal | 15° |
| Projection technology | DLP |
| Projector brightness | 4100 ANSI lumens |
| Zoom type | Fixed |
| Lamps | |
| Light source type | Laser |
| Service life of light source | 30000 h |
| Light source | |
| Light source type | Laser |
| Service life of light source | 30000 h |
| Lens system | |
| Fixed focal length | 7.51 mm |
| Focus | Manual |
| Throw ratio | 0.496:1 |
| Offset | 114% |
| Zoom type | Fixed |
| Scanning frequency | |
| Vertical scan range | 24 - 240 Hz |
| Horizontal scan range | 15 - 150 kHz |
| Video | |
| Supported 3D formats | Frame Sequential |
| Analog signal format system | NTSC, NTSC 3.58, NTSC 4.43, NTSC J, NTSC M, PAL, PAL 4.43, PAL B, PAL D, PAL G, PAL H, PAL I, PAL M, PAL N, SECAM B, SECAM D, SECAM G, SECAM K, SECAM K1, SECAM L, SECAM 4.25/4.4 |
| Full HD | Yes |
| 3D | Yes |
| Supported graphics resolutions | 1600 x 1200 (UXGA), 1280 x 1024 (SXGA), 1280 x 768 (WXGA), 1920 x 1080 (HD 1080), 1024 x 768 (XGA), 800 x 600 (SVGA), 640 x 480 (VGA) |
| Audio | |
| Built-in speakers | Yes |
| Number of built-in speakers | 1 |
| RMS rated power | 15 W |
| Ports & interfaces | |
| 12V trigger | Yes |
| HDMI version | 2.0 |
| HDMI ports quantity | 2 |
| Headphone outputs | 1 |
| Serial interface type | RJ-45, RS-232 |
| 12V trigger ports quantity | 1 |
| 3D sync port | Yes |
| USB 2.0 Type-A ports quantity | 2 |
| Enhanced Audio Return Channel (eARC) | Yes |
| Sound emission | |
| Noise level | 29 dB |
| Technical details | |
| Product colour | White |
| Preset modes | Golf |
| On Screen Display (OSD) | Yes |
| On Screen Display (OSD) languages | Arabic, Czech, Danish, German, Dutch, English, Farsi, Finnish, French, Greek, Hungarian, Indonesian, Italian, Japanese, Norwegian, Polish, Portuguese, Romanian, Russian, Simplified Chinese, Traditional Chinese, Spanish, Swedish, Turkish, Vietnamese |
| Performance | |
| Password protection | Yes |
| Preset modes | Golf |
| On Screen Display (OSD) | Yes |
| On Screen Display (OSD) languages | Arabic, Czech, Danish, German, Dutch, English, Farsi, Finnish, French, Greek, Hungarian, Indonesian, Italian, Japanese, Norwegian, Polish, Portuguese, Romanian, Russian, Simplified Chinese, Traditional Chinese, Spanish, Swedish, Turkish, Vietnamese |
| Vertical scan range | 24 - 240 Hz |
| Horizontal scan range | 15 - 150 kHz |
| Noise level | 29 dB |
| Number of OSD languages | 25 |
| Features | |
| Password protection | Yes |
| Preset modes | Golf |
| On Screen Display (OSD) | Yes |
| On Screen Display (OSD) languages | Arabic, Czech, Danish, German, Dutch, English, Farsi, Finnish, French, Greek, Hungarian, Indonesian, Italian, Japanese, Norwegian, Polish, Portuguese, Romanian, Russian, Simplified Chinese, Traditional Chinese, Spanish, Swedish, Turkish, Vietnamese |
| Noise level | 29 dB |
| Number of OSD languages | 25 |
| International Protection (IP) code | IP6X |
| Multimedia | |
| Built-in speakers | Yes |
| Number of built-in speakers | 1 |
| RMS rated power | 15 W |
| Design | |
| Product type | Short throw projector |
| Cable lock slot type | Kensington |
| Product colour | White |
| Power | |
| AC input voltage | 100 - 240 V |
| AC input frequency | 50 - 60 Hz |
| Power consumption (max) | 178 W |
| Power source | AC |
| Power consumption (standby) | 0.5 W |
| Auto power off | Yes |
| Packaging data | |
| Package weight | 4.3 kg |
| Security | |
| Cable lock slot type | Kensington |
| Operational conditions | |
| Operating relative humidity | 0 - 80% |
| Operating temperature | 0 - 40 °C |
| Operating altitude | 0 - 762 m |
| Weight & dimensions | |
| Weight | 2.9 kg |
| Width | 274 mm |
| Depth | 216 mm |
| Height | 114 mm |
| Package weight | 4.3 kg |
| Packaging content | |
| Remote control included | Yes |
| Manual | Yes |
| Cables included | Power |
| Batteries included | Yes |
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