Demo Optoma UHD38x 4K UHD Gaming & Home Projector
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Demo Optoma UHD38x 4K UHD Gaming & Home Entertainment Projector
The Optoma UHD38x is a bright, versatile 4K UHD projector built for serious gamers and home cinema enthusiasts alike. Delivering 4,000 lumens of brightness, a breathtaking 1,000,000:1 contrast ratio, and CTA-certified True 4K UHD resolution (3840×2160), it projects up to 300" of stunning, life-like imagery. With an ultra-responsive 4.2ms input lag and a blazing 240Hz refresh rate, it gives competitive gamers a decisive edge — while HDR10 and HLG compatibility ensures every movie and TV show looks exactly as the director intended.
Powered by a high-output 240W lamp with up to 15,000 hours in Dynamic mode, the UHD38x is engineered for long-term reliability. Its 1.1× manual zoom, ±40° horizontal and vertical keystone correction, and 105% native offset make installation flexible in virtually any room.
Key Features
- True 4K UHD (3840×2160) — CTA-certified, 8.3 million pixels, 4× the detail of Full HD
- 4,000 lumens brightness — vivid images even with lights on
- 1,000,000:1 contrast ratio — deep blacks and brilliant highlights
- 4.2ms input lag / 240Hz refresh rate — competitive gaming performance
- HDR10 & HLG compatible — greater depth, texture, and realism
- Full 3D support — immersive 3D content playback
- Rec.709 colour gamut — accurate cinematic colour reproduction
- 10W built-in speaker — backlit home remote included
- Screen size up to 300" — true big-screen cinema at home
- ±40° keystone correction (H & V) — flexible placement in any room
Connectivity
- 2× HDMI 2.0 inputs
- 1× Audio 3.5mm output
- 1× USB-A power (1.5A)
- 1× RS232 control port
Full Manufacturer Specifications
| Display / Image | |
| Display Technology | DLP™ |
| Native Resolution | 4K UHD (3840 × 2160) |
| Brightness | 4,000 lumens |
| Contrast Ratio | 1,000,000:1 |
| Native Aspect Ratio | 16:9 |
| Compatible Aspect Ratios | 4:3, 16:9 |
| Keystone Correction – Horizontal | ±40° |
| Keystone Correction – Vertical | ±40° |
| Horizontal Scan Rate | 31 – 135 kHz |
| Vertical Scan Rate | 24 – 120 Hz |
| Uniformity | 80% |
| Screen Size | 33" – 300" diagonal |
| Light Source | |
| Light Source Type | Lamp |
| Lamp Wattage | 240W |
| Lamp Life – Bright Mode | 4,000 hours |
| Lamp Life – Dynamic Mode | 15,000 hours |
| Lamp Life – Eco Mode | 10,000 hours |
| Optical | |
| Throw Ratio | 1.5:1 – 1.66:1 |
| Projection Distance | 1.21 m – 9.90 m (47.64" – 389.76") |
| Zoom | 1.1× Manual |
| Focal Length | 15.84 – 17.42 mm (0.624" – 0.686") |
| Native Offset | 105% |
| Connectivity | |
| Inputs | 2× HDMI 2.0 |
| Outputs | 1× Audio 3.5mm, 1× USB-A power 1.5A |
| Control | 1× RS232 |
| Audio | |
| Speaker Count | 1 |
| Speaker Output | 10W |
| Remote Control | Backlit home remote |
| General | |
| 3D Support | Full 3D |
| Input Lag | 4.2ms |
| Refresh Rate | 240Hz |
| Colour Gamut | Rec.709 |
| HDR Compatibility | HDR10, HLG |
| Noise Level – Eco Mode | 26 dB |
| Noise Level – Bright Mode | 28 dB |
| Security | Security bar, Kensington Lock, Password-protected interface |
| OSD Languages | 9 languages: English, French, German, Italian, Japanese, Portuguese, Russian, Simplified Chinese, Spanish |
| Operating Temperature | 5°C – 40°C (41°F – 104°F) |
| Max Humidity | 85% |
| Max Altitude | 3,000 m (9,843 ft) |
| Power | |
| Power Supply | 100V – 240V AC, 50 – 60 Hz |
| Power Consumption – Standby | <0.5W |
| Power Consumption – Eco Mode | 220W |
| Power Consumption – Bright Mode | 305W |
| Dimensions & Weight | |
| Dimensions (W × D × H) | 315 × 270 × 118 mm (12.4" × 10.63" × 4.65") |
| Net Weight | 3.98 kg (8.77 lbs) |
| Gross Weight | 4.68 kg (10.32 lbs) |
Caring for your Speakers and Amplifiers
To Keep your equipment safe these are some best practices to note. Please be advised that this is only to reduce the risk of misuse and is not an exhaustive list.
Speakers
- Speaker terminals are marked red and black, ensure your amplifier to the speakers are wired on the same colours
- Ensure no loose speaker wire from the red touches a loose wire from the black as this will lead to a short circuit and damage either the speaker, the amplifier or both.
- Not all speakers are designed to play at max volume, kindly consider the pairing of your amplifier and speakers
- Speaker cabinets cannot be replaced please handle with care.
AV & Stereo Amplifiers
- If your amplifier has HDMI ports, ensure all devices are off before plugging in the HDMI cable
- Turn off the amplifier before swoping out or adding speaker cable
- Amplifiers generate heat, place them in a well ventilated space. if possible avoid having anything on top of the unit.
- adding a surge protector can assist with power dips which are likely to damage your devices. Isotek and Furman are industry standard.
- Dusty environments can sometimes lead to accumulation of dust in the electronic components that might affect heat regulation
Shipping & Returns
- Free shipping on orders over R500 within the country.
- Standard delivery within 2–5 business days. Delays will be communicated. This might vary slightly depending on your location.
- Return items in original condition for a full refund. (unopened state)
- Returns that are open/unboxed will be subject to a handling fee. Refunds will only be processed after testing the unit.
