Optoma ZK431ST Short throw projector 4100 ANSI lumens DLP UHD 4K (3840x2160) 3D White
£2,021.99
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Overview
- Short throw projector White
- DLP 4100 ANSI lumens
- Laser 30000 h
- UHD 4K (3840x2160) 16:9 300000:1
- Screen size compatibility: 914.4 - 7620 mm (36 - 300") Number of colours: 1.073 billion colours
- Focus: Manual
- Built-in speaker(s) 15 W
- 3D
- AC
Specifications
Projector
| Projector brightness | 4100 ANSI lumens |
|---|---|
| Projection technology | DLP |
| Projector native resolution | UHD 4K (3840x2160) |
| Contrast ratio (typical) | 300000:1 |
| 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 |
| Number of colours | 1.073 billion colours |
| Uniformity | 75% |
| Vertical scan range | 24 - 240 Hz |
| Horizontal scan range | 15 - 150 kHz |
| Keystone correction, vertical | 15° |
| Keystone correction, horizontal | 15° |
Light source
| Light source type | Laser |
|---|---|
| Service life of light source | 30000 h |
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Lens system
| Focus | Manual |
|---|---|
| Fixed focal length | 7.51 mm |
| Zoom type | Fixed |
| Throw ratio | 0.496:1 |
| Offset | 114% |
Video
| 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 3D formats | Frame Sequential |
| 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) |
Ports & interfaces
| HDMI ports quantity | 2 |
|---|---|
| HDMI version | 2.0 |
| USB 2.0 Type-A ports quantity | 2 |
| Headphone outputs | 1 |
| Serial interface type | RJ-45, RS-232 |
| 3D sync port | Yes |
| 12V trigger ports quantity | 1 |
| 12V trigger | Yes |
| Enhanced Audio Return Channel (eARC) | Yes |
Features
| Noise level | 29 dB |
|---|---|
| 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 |
| Number of OSD languages | 25 |
| International Protection (IP) code | IP6X |
| Password protection | Yes |
Multimedia
| Built-in speaker(s) | Yes |
|---|---|
| Number of built-in speakers | 1 |
| RMS rated power | 15 W |
Design
| Product type | Short throw projector |
|---|---|
| Product colour | White |
| Cable lock slot type | Kensington |
Power
| Power source | AC |
|---|---|
| Power consumption (standby) | 0.5 W |
| Power consumption (max) | 178 W |
| AC input voltage | 100 - 240 V |
| AC input frequency | 50 - 60 Hz |
| Auto power off | Yes |
Operational conditions
| Operating temperature (T-T) | 0 - 40 °C |
|---|---|
| Operating relative humidity (H-H) | 0 - 80% |
| 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 |
|---|---|
| Batteries included | Yes |
| Manual | Yes |
| Cables included | Power |
Customer reviews
Delivery & returns
Delivery
- FREE standard delivery on orders over £50, otherwise £4.95 (3–5 working days).
- Express delivery £9.99 (1–3 working days) on selected products, UK mainland.
- PlayStation and Arozzi products use a 5–7 working-day service.
- Orders are processed within 24 hours, Monday to Friday excluding bank holidays. All deliveries must be signed for.
Returns
- Changed your mind? Tell us within 14 days of receiving your item, then return it within a further 14 days, unused and in its original packaging. A minimum £9.99 collection fee applies.
- Faulty or damaged on arrival? Contact us within 48 hours of delivery.
- Custom-built PCs can only be returned if faulty. Opened headphones, earphones and AirPods can't be returned for hygiene reasons.
