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067 240 1 240
067 240 1 240

Vivitek Corporation Projectors

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How to read Vivitek projector model names: decoding the family (D/H/Qumi), resolution, number, laser light source Z, short-throw optics ST/UST and suffixes, using DU4381Z-ST as an example.

How to read models
DU4381Z-ST
Family · type
D — DLP projector, business and installation line (DS/DH/DW/DX/DU/DK) · H — home cinema · Qumi — pocket LED · NC — NovoProjector for collaboration.
Resolution
Second letter: S — SVGA 800×600 · X — XGA 1024×768 · W — WXGA 1280×800 · H — Full HD 1920×1080 · U — WUXGA 1920×1200 · K — 4K UHD 3840×2160.
Number · brightness
The number is the series and model number. In many series the first digits roughly indicate brightness: DU7098Z → ~7,000 lm, DU7295Z → ~7,000 lm. This is not a strict rule — check the exact figure against the specification.
Light source
Z at the end — solid-state laser without a lamp, rated up to 20,000–30,000 hours (DU7099Z, DK5153Z). If there is no Z, it is a lamp version (DH558, DX813).
Projection type and version
ST — short-throw (100″ from ~1 m) · UST — ultra-short-throw (100″ from 44 cm) · N — built-in NovoConnect, wireless presentation (DH3665ZN) · i — interactive (DW771USTi) · -BK / -WH — black / white body · + — enhanced version.
DU4381Z-ST = Vivitek · DLP installation · WUXGA · laser · short-throw

Information compiled by students

of the Higher Vocational Film School

VPU-K  © 2026

Vivitek (a brand of Delta Electronics, Taiwan) — one of the few full owners of DLP technology worldwide and a top-3 projector maker by volume. Range from pocket-size to over 20,000 lm. World’s first Full HD LED projector; Qumi Q8 — the world’s smallest 1080p projector.

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