Description
        
      
      BenQ X3100i 4K LED Gaming & Home Projector
The BenQ X3100i 4K HDR gaming projector features 3300 ANSI lumens, 100% DCI-P3 colour, and ultra-low 4.2 ms input lag for smooth gameplay. With a 4LED light source, HDR-PRO, Dolby Atmos eARC, Android TV, and flexible installation, it delivers stunning cinematic visuals and immersive gaming performance.
Throw Distance Guide
With a 1.15–1.50:1 throw ratio, the X3100i delivers large screens even in medium rooms:
- 92″ — 204 × 115 cm → 2.3 – 3.1 m
 - 100″ — 221 × 125 cm → 2.5 – 3.3 m
 - 110″ — 244 × 137 cm → 2.8 – 3.7 m
 - 120″ — 266 × 149 cm → 3.1 – 4.0 m
 - 130″ — 288 × 161 cm → 3.3 – 4.3 m
 
Brightness: 3300 ANSI lumens | Colour: 100% DCI-P3 & 95% Rec.709 | Light Source: 4LED rated up to 30,000 hrs
Key Features
- True 4K UHD resolution (3840×2160) with HDR10 & HLG
 - 4LED light source – vivid colours, 30,000 hrs lifespan
 - Gaming-optimised: input lag down to 4.2 ms (1080p/240Hz)
 - Flexible installation: 1.3× zoom, vertical lens shift (40–60%), auto 2D keystone
 - Android TV (QS02) with AirPlay & Google Cast
 - Audio: dual 5W chamber speakers, eARC with Dolby Atmos
 
Specifications
Display
- Brightness: 3300 ANSI lumens
 - Resolution: 4K UHD (3840×2160)
 - Contrast: up to 600,000:1 (dynamic)
 - Aspect Ratio: 16:9
 - Colour: 30-bit (1.07 billion)
 - Light Source: 4LED (20,000–30,000 hrs)
 
Optical
- Throw Ratio: 1.15–1.50
 - Zoom: 1.3×
 - Lens: F/1.8–2.25, f 17.02–22.21mm
 - Projection Offset: 110%
 - Lens Shift: Vertical 40–60%
 - Keystone: Auto 2D ±30° (H/V)
 
Gaming & Compatibility
- Input Lag: 4.2 ms (1080p/240Hz); 8.3 ms (1080p/120Hz); 16.7 ms (4K/60Hz)
 - Picture Modes: FPS, RPG, SPG, Cinema, HDR modes
 - Wireless Projection: AirPlay, Google Cast
 
I/O
- HDMI: 3× HDMI 2.0b (HDCP 2.2), incl. internal HDMI
 - USB-A: 1× USB-A 2.0 (Reader/FW Upgrade)
 - RS-232: 1×
 - 12V Trigger: 1×
 - Audio Out: 3.5 mm, S/PDIF, eARC (Dolby Atmos)
 
Smart & Audio
- OS: Android 11 (QS02 dongle included)
 - Speakers: dual 5W chamber
 - Wi-Fi: 802.11 a/b/g/n/ac (2.4G/5G)
 - Bluetooth: 5.0
 - Preloaded Apps: Netflix + streaming platforms
 
Dimensions & Weight
- Size: 272 × 213 × 259 mm
 - Weight: 6.8 kg