Description
If you're building a proper home theatre and want one of the best pictures BenQ makes, the W4100i is where to look. It's a true 4K LED projector built around cinema-grade colour, deep contrast and serious brightness for a dark room, and it has been widely praised by reviewers as one of the standout home-cinema projectors of its generation. Android TV streaming is built in.
Cinema-grade colour, calibrated out of the box
The W4100i covers 100% of the DCI-P3 colour space, the same standard used for digital cinema, as well as 100% of Rec.709. That means it shows the full, saturated range of colour that films are actually mastered in, not a watered-down approximation. One of the most consistent points of praise from reviewers is how accurate it looks straight out of the box, with little or no calibration needed, so you get rich, true-to-life images from day one.
Excellent HDR and improved motion
With 3,200 ANSI lumens and a 3,000,000:1 contrast ratio, the W4100i is tuned for a dark room where it can deliver inky blacks alongside bright, punchy highlights. Its HDR handling (HDR10+, HDR10 and HLG) is a particular strength, drawing out fine detail in both shadows and highlights, and BenQ has also improved motion processing over the previous generation, so fast-moving scenes and sport look smoother and cleaner.
AI Cinema picture optimisation
The W4100i features BenQ's AI Cinema mode, which analyses the image in real time and adjusts the picture on the fly to suit whatever you're watching. It's a genuinely useful touch that helps the projector deliver its best result across different films, shows and lighting conditions without you needing to fiddle with settings.
Long-life LED light source
The 4LED light engine is rated for 20,000 to 30,000 hours, so it should comfortably outlast a traditional lamp projector without you ever buying a replacement bulb. It hits full brightness almost instantly, with no warm-up wait and no colour drift over time.
Smart streaming built in
Android TV is built right in, so Netflix, Prime Video, Disney+, YouTube and thousands of other apps run directly on the projector with Chromecast included. For most setups there's no need for a separate streaming box.
Flexible installation
A 1.15 to 1.50 throw ratio combined with lens shift and zoom gives you real flexibility in where you mount it, making it far easier to position cleanly in a dedicated theatre room than projectors with a fixed lens. Built-in speakers mean you can be up and running straight out of the box.
Ready for gaming too
Input lag comes in at 17.9ms at 4K 60Hz, and drops to 6.5ms at 1080p 240Hz and 13ms at 1080p 120Hz, so it stays responsive for fast-paced play when you want to switch from movies to games.
In short: with reference-level colour, strong HDR, smart picture processing and the flexibility to install it properly, the W4100i is one of the most rewarding 4K home-cinema projectors in its class. Backed by 3-year BenQ Australia warranty, fast Australian delivery and local support.
Features
- True 4K UHD resolution (3840 × 2160)
- 3,200 ANSI lumens brightness
- LED light source (20,000–30,000 hours lifespan)
- High contrast ratio (3,000,000:1)
- HDR10, HDR10+ and HLG support
- 100% DCI-P3 & 100% Rec.709 colour accuracy (cinema-grade colours)
- AI image processing (real-time optimisation of brightness, contrast, detail)
- Dynamic tone mapping (frame-by-frame HDR optimisation)
- FILMMAKER mode (accurate cinematic playback)
- Low input lag (~17.9ms at 4K/60Hz, faster at lower resolutions)
- HDMI 2.1 with ALLM (gaming support)
- Built-in Android TV (via dongle, streaming apps supported)
- Wireless casting (AirPlay, Google Cast)
- Bluetooth audio support
- 1.3x optical zoom (flexible placement)
- Vertical & horizontal keystone correction
- Lens shift (vertical & horizontal for precise alignment)
- HDMI eARC with Dolby Atmos support
- Multiple HDMI 2.1 ports (high connectivity)
- Quiet operation (~29–30dB)
- Large screen projection (home cinema focused)
- High-end colour accuracy and HDR performance for movies
Optimised Picture for Diverse Content
The W4100i takes home entertainment to the next level with increased brightness and dynamic contrast over its predecessor. Utilizing AI technology, it intelligently analyzes frame composition to optimize visual details in real time, ensuring the best possible picture quality across all content, including streaming.
Perfectly Balanced Bright & Dark Details
Experience ideal HDR performance with BenQ's HDR-PRO technology, featuring an advanced "multi-stage" light control technique. This technology enhances authentic HDR viewing without compromising image quality, effectively balancing brightness and optimizing contrast for superbly detailed visuals.
Global Contrast Enhancer
Local Contrast Enhancer
- Enhanced contrast and detail across dark, mid, and bright areas with custom-tailored curves, resulting in comprehensive visual improvements.
Dynamic Tone Mapping
Dynamic Black
- Analyzes each frame of HDR content in real time, dynamically adjusting tone curves to preserve both bright highlights and deep shadow details.
HDR Video Optimization Frame by Frame
New HDR10+ technology adds dynamic metadata to HDR10 source files, which is used to optimize each frame of the HDR video.
Colours as Directors Envisioned
Faithfully reproduce images the way the artist intended with 100% DCI-P3 & 100% Rec 709 colour space.
Out-of-Box Color Accuracy
Individual factory calibration reports assure with 100% DCI-P3, 100% Rec.709 Delta E<2 for true Hollywood colors.
Exclusive Colour Temperature Tuning
Advanced colour temperature tuning with 11 levels of white balance controls.
Filmmaker Mode
Preserves motion cadence, cinematic colour, dynamic range, and brightness.
24P Playback Support
Supports 24P playback without judder.
Next-Level 4K Streaming
Experience stunning 4K HDR with AI Cinema Mode.
Universal Connectivity
The W4100i connects with HDMI 2.1, SPDIF, and eARC.
Cinema and Gaming in One
Enjoy cinematic visuals and smooth 17.9ms gaming at 4K@60Hz.
Blu-ray Player
Streaming Device
Game Console
Handheld Game Console
Amplifier
Soundbar/ Speaker
USB Reader
Specifications
| Display | |
| Brightness (ANSI lumens) | 3200 |
| Resolution | 4K UHD (3840 × 2160) |
| Native Aspect Ratio | 16:9 |
| Contrast Ratio (FOFO) | 3,000,000:1 |
| Display Color | 30-bit (1.07 billion colors) |
| Light Source | 4LED |
| Light Source Life | Normal 20000 hrs; ECO 30000 hrs |
| Optical | |
| Throw Ratio | 1.15 ~ 1.50 |
| Zoom Ratio | 1.3x |
| Lens | F/1.8 - 2.25, f 17.02 (Wide) ~ 22.21 (Tele) |
| Keystone Adjustment | 2D, Vertical ±30°; Horizontal ±30° |
| Lens Shift Vertical | 0% ~ 60% |
| Lens Shift Horizontal | +15% ~ -15% (at 20.9% vertical) |
| Picture | |
| DCI-P3 Coverage | 100% |
| Rec. 709 Coverage | 100% |
| Picture Modes | AI Cinema, HDR AI Cinema, 3D, Bright, Bright Cinema, Cinema, FILMMAKER MODE, FILMMAKER MODE HDR, HDR10, HDR10+, HLG, ISF Day, ISF Night, User |
| Compatibility | |
| Input Lag | 6.5ms (1080p 240Hz), 13ms (1080p 120Hz), 17.9ms (1080p 60Hz / 4K 60Hz) |
| Resolution Support | VGA (640 × 480) to 4K UHD (3840 × 2160) |
| Horizontal Frequency | 15K ~ 270KHz |
| Vertical Scan Rate | 23 ~ 240Hz |
| I/O Interface | |
| HDMI In | HDMI-1 (2.1/HDCP2.3, 4K60/ALLM); HDMI-2 (2.1/HDCP2.3, 4K60/ALLM/ARC+); HDMI-3 (2.1/HDCP2.3, 4K120 → 1080p120); HDMI-Internal (2.0b/HDCP2.2) |
| USB Type-A | USB-A2 (2.0/1.5A, x2); USB-A3 (2.0/2.5A) |
| USB Mini-B | 1 x (Service) |
| RS232 | 1 x (DB-9) |
| 12V Trigger | 1 x (3.5mm) |
| Audio | |
| Speaker | 1 x 5W |
| Audio Out | 1 x 3.5mm |
| HDMI Audio Return | Yes (eARC, Dolby Atmos) |
| S/PDIF | Multi-Channel, RAW |
| Environment | |
| Operating Temperature | 0 ~ 40°C |
| Power Supply | AC 100 ~ 240V, 50/60 Hz |
| Power Consumption (Typical) | 330W |
| Standby Power | < 0.5W |
| Acoustic Noise | 30 dB (Normal) / 29 dB (Eco) |
| Accessories | |
| Android TV Dongle | QS02 (Standard) |
| Remote Control | RCI074 |
| Power Cord | 1 x (3.0m) |
| 3D Glasses | Optional |
| Quick Start Guide | 1 x |
| Warranty Card | Yes |
| Lens Cover | Yes |
| Ceiling Mount | CM00G3 (Optional) |
| Smart System | |
| Built-in OS | Android 11.0 |
| Bluetooth | Bluetooth 5.0 |
| Wi-Fi | 802.11 a/b/g/n/ac (2.4G/5G) |
| Wireless Projection | AirPlay, Google Cast |
| Dimensions & Weight | |
| Dimensions (mm) | 420.5 x 135.3 x 312.1 |
| Dimensions (inch) | 16.56 x 5.31 x 12.28 |
| Net Weight | 6.1 kg (13.45 lb) |
| Projection System | |
| Projection System | DLP |