Vivitek · 3,000–4,999 lumens · Full
Vivitek DH381
4,500lumens
1920×1080native
1.13–1.47throw ratio
2.6 kgweight
The Vivitek DH381 is a 0.65" DLP x 1 projector rated at 4,500 lumens with a native resolution of 1920×1080. It uses a metal halide bulb light source rated for 4,000 hours / 15,000 hours (Eco). Its lens has a throw ratio of 1.13–1.47:1. Released March 2024.
Throw distance table
Distance from lens to surface for each image width (16:9 (HD)). Calculated as throw ratio × width; check the manufacturer's lens calculator before installation.
| Image width | Height | Standard lens 1.13–1.47:1 |
|---|---|---|
| 2 m (6.6 ft) | 1.12 m | 2.3–2.9 m |
| 3 m (9.8 ft) | 1.69 m | 3.4–4.4 m |
| 4 m (13.1 ft) | 2.25 m | 4.5–5.9 m |
| 5 m (16.4 ft) | 2.81 m | 5.6–7.3 m |
| 6 m (19.7 ft) | 3.38 m | 6.8–8.8 m |
| 8 m (26.2 ft) | 4.5 m | 9.0–11.8 m |
| 10 m (32.8 ft) | 5.62 m | 11.3–14.7 m |
| 12 m (39.4 ft) | 6.75 m | 13.6–17.6 m |
| 15 m (49.2 ft) | 8.44 m | 16.9–22.1 m |
| 20 m (65.6 ft) | 11.25 m | 22.6–29.4 m |
| 25 m (82.0 ft) | 14.06 m | 28.2–36.8 m |
| 30 m (98.4 ft) | 16.88 m | 33.9–44.1 m |
Open in the throw-distance calculator →
Maximum image size for projection mapping
Largest image that keeps a 10:1 contrast against ambient light on a light, matte surface (80% optical efficiency). See how this is calculated.
| Ambient light | Max area | Max width × height |
|---|---|---|
| Dark rural site (1 lux) | 400 m² | 26.7 × 15.0 m |
| Quiet street at night (5 lux) | 80 m² | 11.9 × 6.7 m |
| Lit city square (15 lux) | 27 m² | 6.9 × 3.9 m |
| Bright urban area (30 lux) | 13 m² | 4.9 × 2.7 m |
| Indoor, lights dimmed (50 lux) | 8 m² | 3.8 × 2.1 m |
Full specifications
| 3D Modes | Full HD 3D |
|---|---|
| Aspect Ratio | 16:9 (HD) |
| Best Used For | K-12 Education Corporate/Business |
| Brightness | 4,500 Lumens (ISO) 2 |
| Color Processing | 8-bit |
| Color Wheel | 6 segments |
| Connection Panel | Audio In: Mini Jack Audio Out: Mini Jack Composite: RCA HDMI 1.4b HDMI 2.0 RS232: DB-9pin USB: A VGA In: Dsub-15pin VGA Out: Dsub-15pin |
| Data Modes | MAX 1920x1200 |
| Digital Keystone | Horizontal & Vertical |
| Digital Zoom | Yes |
| Display Type | 0.65" DLP x 1 |
| Dynamic Contrast | 30,000:1 |
| Features | Full HD 3D Geometric Correction HDR CE Blackboard Mode FCC B |
| Image Size | 29.60" - 299.85" |
| Included Lens | 1.3x manual zoom , manual focus |
| Internal Speakers | 10.0 Watts Mono |
| Lens Shift | No |
| Light Source | Metal Halide bulb |
| Light Source Life | 4,000 hours / 15,000 hours (Eco) |
| MSRP | n/a |
| Power | 295 Watts 100V - 240V |
| Projector Placement | For a " diagonal screen, place the projector lens between 8'-2" and 10'-8" from the screen. |
| Projector Size | 4.70" x 12.30" x 9.30" (HxWxD) |
| Released | March 2024 |
| Resolution | 1920x1080 |
| Status | Shipping |
| Throw Distance | 3.2' - 24.6' Calculate Throw Distance |
| Throw Ratio | 1.13:1 - 1.47:1 (D:W) |
| Video Modes | 720p, 1080i, 1080p/60, 480p, 480i |
| Weight | 5.7 lbs |
Specifications compiled from ProjectorCentral and manufacturer data. Prices change — verify with dealers.
Similar projectors
| Model | Lumens | Resolution | Light source | Throw ratio | Street price |
|---|---|---|---|---|---|
| Hitachi CP-EU4501WN | 4,500 | 1920×1200 | 280W Metal Halide bulb | 1.3–2.1:1 | $1,749 |
| Ricoh PJ WUL5A40ST | 4,500 | 1920×1200 | Laser Phosphor | 0.44:1 | $1,462 |
| InFocus INL2168 | 4,500 | 1920×1080 | Laser Phosphor | 1.21–1.59:1 | $1,540 |
| InFocus INL2169 | 4,500 | 1920×1200 | Laser Phosphor | 1.21–1.59:1 | $2,099 |
| InFocus Nemesis I IN1008SL | 4,500 | 1920×1080 | Laser Phosphor | 1.48–1.62:1 | |
| Epson Europe EB-G5750WU | 4,500 | 1920×1200 | 330W UHE bulb | 0.76–6.65:1 | |
| Epson Europe EB-G5750WUNL | 4,500 | 1920×1200 | 330W UHE bulb | 0.76–6.65:1 | |
| Epson Europe EB-G6450WU | 4,500 | 1920×1200 | 380W UHE bulb | 0.64–6.65:1 |