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BenQ TK705STi Projector

4K Home Theater Projector
Calculate Throw Distance

From BenQ — Press play and light up the party with 4K brilliance and 3,000 lumens of vibrant fun—even with the lights on. Movies, games, and sports are all ready when you are. Powered by BenQ CinematicColor and HDR-PRO technologies, the TK705STi delivers dramatic 4K visuals with vivid contrast, rich tones, and cinematic depth, bringing every movie and game to life in truly immersive detail - even in well-lit rooms. Advanced tone mapping and contrast enhancement elevate 4K HDR viewing, revealing details in both bright and dark scenes for truly cinematic experiences.

  • 8 Way Smart Image Adaptation instantly sharpens, centers, and aligns your screen without manual setup
  • Digital zoom lets you fine-tune image size without moving the projector
  • Built-in Google TV
  • SmartRemote for BenQ Projector App
  • Automatically detects gameplay signals to reduce video delay
  • Unlock optimized visuals with HDR-RPG and HDR-FPS modes
  • Projects up to 150" with flexible throw distances
  • 600,000:1 dynamic contrast ratio


BenQ TK705STi Projector Specifications


Street Price
$1,999
MSRP
$1,999
Best Used For
Status
Shipping
Released
October 2025
Warranty
3 Years
User Reviews
Review this Projector

 
Switch to English Units
Brightness
3,000 Lumens (ANSI)1
Resolution
3840x2160
Aspect Ratio
16:9 (4K HD)
Dynamic Contrast
600,000:1
Display Type
1 cm DLP x 1
Color Processing
10-bit
Input Lag
4K/60: 5ms  |  1080p/60: 5ms
Video Modes
720p, 1080i, 1080p/60, 576i, 576p, 480p, 480i
Data Modes
MAX 3840x2160

Lamp Type
LED
Lamp Life
20,000 hours  / 30,000 hours

Included Lens
Fixed focal length , Powered focus
Optional Lenses
No
Lens Shift
No
Throw Distance
0.9 m - 2.8 m  Calculate Throw Distance
Image Size
127 cm - 407 cm
Throw Ratio
0.80:1
Projector Placement
For a
cm
diagonal screen, place the projector lens 1.8 m from the screen.
Digital Zoom
Yes
Digital Keystone
Horizontal & Vertical

Projector Size
17 cm x 23 cm x 25 cm
Weight
3.8 kg
Audible Noise
26 dB  / 24 dB
Internal Speakers
8.0 Watts × 2
Power
250 Watts 100V - 240V
Connection Panel
12-Volt Trigger
Audio Out: Mini Jack
DisplayPort
HDMI (HDCP 2.2) x 2
USB
Wireless Networking

Features
Short-Throw
Geometric Correction
Auto Focus
Streaming Apps
Google Assistant
Dynamic Tone Mapping
HDR10+
Blackboard Mode

Compare to the Competition


 

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BenQ TK710
  • Resolution: 3840x2160 DLP
  • Brightness: 3200 Lumens (ANSI)
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  • Throw Distance: 2.5 m — 3.3 m
  • at Image Size: 254 cm
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Jun 2024 Model
BenQ TK710STi
 
  • Resolution: 3840x2160 DLP
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Jun 2024 Model
BenQ TK700
  • Resolution: 3840x2160 DLP
  • Brightness: 3200 Lumens (ANSI)
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Feb 2022 Model
BenQ TK700ST
 
  • Resolution: 3840x2160 DLP
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  • Throw Distance: 2.0 m — 2.4 m
  • at Image Size: 254 cm
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Jan 2025 Model
Optoma UHD35STx
 
  • Resolution: 3840x2160 DLP
  • Brightness: 3600 Lumens (ANSI)
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  • Throw Distance: 1.1 m
  • at Image Size: 254 cm
$1,509
Sep 2022 Model

ANSI LUMENS  is the most commonly accepted industry standard brightness measurement. The ANSI lumen rating measures the brightest white that a projector can produce by averaging nine light meter measurements taken across the projected image.

Manufacturer Cited Brightness:

BUYER BEWARE   Either this projector's brightness specification does not cite an industry-accepted unit of measurement, or according to our calculations it seems unlikely that this projector is capable of producing the manufacturer's cited brightness specification.

Manufacturer Cited Brightness: