BenQ W4100i
MSRP$2,999
| Brand | BenQ · Cinema |
| Type | Home cinema |
| Released | July 2025 |
| Resolution | 4K UHD |
| HDR formats | HDR10, HDR10+, HLG |
| Imaging technology | DLP |
| Light source type | LED |
| ANSI lumens | 3,200 lm |
| Throw ratio | 1.15–1.5:1 |
| Input lag (rated) | 1920×1080 @ 240 Hz: 6.5 ms · 1920×1080 @ 120 Hz: 13 ms · 1920×1080 @ 60 Hz: 17.9 ms · 3840×2160 @ 60 Hz: 17.9 ms |
A single-chip DLP home cinema projector with a 4LED light source, 4K UHD output from a 0.65-inch DMD, and a rated 3,200 ANSI lumens. It has manual 1.3x zoom with vertical and horizontal lens shift, three HDMI 2.1 inputs, low rated input lag, and a bundled Android TV dongle, and suits dark-room cinema and console gaming.
Data sheet
Picture
| Imaging technology | DLP | |
| Technology brand | DLP | |
| Number of imaging devices | 1 | |
| Chip / panel diagonal | 0.65 in | |
| Native aspect ratio | 16:9 | |
| Addressable resolution | 3840 × 2160 | |
| Dynamic contrast | 3,000,000:1 | |
| Rec.709 gamut | 100% | |
| DCI-P3 gamut | 100% | |
| BT.2020 gamut | 79.43%Measured Cinema filter engaged (Filmmaker mode), xy coverage | Cinema filter engaged (Filmmaker mode), xy coverage |
| Gamut metric | Coverage | |
| Gamut chromaticity space | Uv | |
| Gamma / EOTF presets | 2.2, 2.4, 2.6 | |
| Bit depth / 'number of colours' | 30 bit | |
| Filmmaker Mode | Yes | |
| Colour management system | 6-axis | |
| Greyscale control points | 11 | |
| ISF certified | Yes | |
| HDR formats | HDR10, HDR10+, HLG | |
| Tone mapping type | Dynamic | |
| Tone-mapping brand name | Dynamic Tone Mapping (HDR-PRO) | |
| Frame interpolation (MEMC) | Yes | |
| Max refresh rate | 1920×1080: 240 Hz | |
| Input lag (rated) | 1920×1080 @ 240 Hz: 6.5 ms · 1920×1080 @ 120 Hz: 13 ms · 1920×1080 @ 60 Hz: 17.9 ms · 3840×2160 @ 60 Hz: 17.9 ms | |
| Auto low-latency mode | Yes | |
| 3D support | Yes | |
| 3D sync method | DLP-Link | |
| 3D formats | Frame sequential, Frame packing, Top-bottom, Side-by-side | |
| Glasses included | 0 |
Optics
| Throw ratio | 1.15–1.5:1 | |
| Throw reference point | Lens | |
| Projection distance table | 30″: 0.74–0.98 m · 40″: 1–1.31 m · 50″: 1.25–1.64 m · 60″: 1.51–1.97 m · 80″: 2.02–2.64 m · 95″: 2.4–3.14 m · 100″: 2.53–3.3 m · 110″: 2.78–3.63 m · 120″: 3.04–3.97 m · 130″: 3.29–4.3 m · 140″: 3.55–4.63 m · 150″: 3.8–4.96 m · 160″: 4.05–5.29 m · 170″: 4.31–5.63 m · 180″: 4.56–5.96 m · 190″: 4.82–6.29 m · 200″: 5.07–6.62 m · 250″: 6.35–8.28 m · 300″: 7.62–9.94 m | |
| Zoom type | Optical | |
| Zoom ratio | 1.3× | |
| Focus | Manual | |
| Vertical lens shift | 0–60% | |
| Horizontal lens shift | ±15% | |
| Motorized lens shift | No | |
| Focal length | 17.02–22.21 mm | |
| F-number | 1.8–2.25 | |
| Lens elements | 10 | |
| Interchangeable lens | No | |
| Image size range | 30–300 in | |
| Vertical keystone | -30–30° | |
| Horizontal keystone | -30–30° | |
| Corner / warp correction | 4pt |
Light source
| Light source type | LED | |
| Light source detail | 4LED (RGBB) | |
| Light source life | Normal: 20,000 h · Eco: 30,000 h | |
| Warm-up time | 15 s | |
| Cool-down time | 15 s | |
| Light-source dimming | Dynamic frame | |
| ANSI lumens | 3,200 lm ANSI | ANSI |
| Brightness by mode | D65: 2,050 lm |
Audio
| Speaker power | 5 W | |
| Speaker count | 1 | |
| Audio channels | Mono | |
| Audio partner | treVolo / Bongiovi DPS | |
| Audio outputs | 3.5 mm, Optical, HDMI ARC, HDMI eARC | |
| HDMI ARC | Yes | |
| HDMI eARC | Yes |
Inputs, control & connectivity
| Max input signal | 3840 × 2160 | |
| HDMI port count | 3 | |
| HDMI ports (feature-level) | HDMI-1: HDMI 2.1, HDCP 2.3 (ALLM); HDMI-2: HDMI 2.1, HDCP 2.3, eARC (ALLM); HDMI-3: HDMI 2.1, HDCP 2.3; HDMI-Internal: HDMI 2.0b, HDCP 2.2 | |
| Horizontal scan frequency | 15–270 kHz | |
| Vertical scan frequency | 23–240 Hz | |
| USB media playback | Yes | |
| RS-232 | Yes | |
| 12 V trigger | Yes | |
| Wi-Fi | Wi-Fi 5 | |
| Bluetooth version | 5.0 | |
| Autofocus | None | |
| Auto keystone | Yes | |
| Screen fit / alignment | Yes |
Firmware / software
| Smart OS | Android TV | |
| OS version | Android 11.0 | |
| Certified OS | Yes | |
| Netflix | Via dongle | |
| Casting | Chromecast built-in | |
| Update policy | Guaranteed product security updates until 31/12/2028 |
Environment & power
| Operating temperature | 0–40°C | |
| Operating humidity | 10–90%RH | |
| Altitude / high-altitude mode | 3,000 m | |
| High-altitude mode | Yes | |
| Operating orientations | Table, Ceiling, Rear | |
| Rated voltage | 100–240 V | |
| Rated frequency | 50–60 Hz | |
| Power consumption (max) | 380 W | |
| Power consumption by mode | Typical: 330 W | |
| Standby power | 0.5 W | |
| Fan noise (sound pressure) | Typical: 30 dB(A) · Eco: 29 dB(A) |
Physical & installation
| Width | 421 mm | |
| Depth | 312 mm | |
| Height | 135 mm | |
| Weight | 6.1 kg | |
| Sealed optical engine | Yes |
Support & ownership
| Warranty | 🇺🇸 US 3 yr · 🇪🇺 EU 3 yr | |
| User manual | https://esupportdownload.benq.com/esupport/PROJECTOR%20FOR%20CONSUMER/UserManual/W4100i/W4100i_UM_EN_250416144229.pdf | |
| Photobiological risk group | RG2 | |
| Safety & market certifications | CE |
In the box
| Box contents | Android tv dongle, Remote, Batteries, Power cord, Quick start guide, Warranty card, Lens cover | |
| Remote type | Backlit | |
| 3D glasses in box | 0 |
Tools
- Throw calculator — How far from the screen the W4100i needs to sit for a given image size, set to its 1.15–1.5:1 lens.
- Download spec as CSV — Every value on this data sheet with its unit and source, one row per spec.
- Download spec as JSON — The same data from the open data API, with variants and identifiers.
Variants & identifiers
Use these to confirm a listing is this exact model. Any of them works at /p/{code}.
| Variant | Region | Type | Code |
|---|---|---|---|
| Standard | 🇺🇸 US | ASIN | B0F2VX6WMV |
| MPN | W4100i | ||
| Standard, EU | 🇪🇺 EU | EAN | 4718755096181 |
| MPN | 9H.R0877.17E |
Reviews
| Date | Title | Publication |
|---|---|---|
| November 15, 2025 | BenQ W4100i 4K 4LED Home Theater Projector Review | Projector Reviews |
| October 16, 2025 | BenQ W4100i 4K Home Theater Projector Review | HomeTheaterHifi |
| September 2, 2025 | BenQ W4100i Home Cinema Projector Review | ProjectorCentral |
| June 17, 2025 | BenQ W4100i test and presentation | Heimkinowelten |
| — | BenQ W4100i 4K Projector Review – Familiar Design, Better Results | AVS Forum |
| January 8, 2026 | BenQ W4100i review | GamesRadar+ |
| September 30, 2025 | BenQ W4100i review | What Hi-Fi? |
| September 9, 2025 | BenQ W4100i review: should you opt for this 4K HDR projector? | Son-Video |
| — | BenQ 4100i Review: Bringing the Cinema to Your Living Room | WIRED |
Video reviews
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Sources
- BenQ W4100i specifications (US)
- AVS Forum
- ProjectorCentral
- BenQ W4100i user manual (English, Home Cinema Series V 1.00)
- Projector Reviews
- BenQ W4100i US launch press release (14 July 2025)
- BenQ W4100i 4K home cinema projector (US product page)
- BenQ W4100i specifications (UK)
- BenQ W4100i EU declaration of conformity (BenQ Europe)
- BenQ W4100i warranty (US)
- BenQ W4100i, 100MEGA Distribution listing