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BenQ TK705STi Short throw projector 3000 ANSI lumens DLP UHD 4K (3840x2160) Grey

BenQ TK705STi, 3000 ANSI lumens, DLP, UHD 4K (3840x2160), 600000:1, 16:9, 1.07 billion colours

Best offerPrice trend

£1,299

-16%
Price trend
Detailed analysis
Price history of BenQ TK705STi Short throw projector 3000 ANSI lumens DLP UHD 4K (3840x2160) Grey over the last 3 months
DatePrice
1 March 2026£1,547.40
2 March 2026£1,521.50
4 March 2026£1,521.50
9 March 2026£1,521.50
15 March 2026£1,521.50
27 March 2026£1,521.50
30 March 2026£1,547.17
1 April 2026£1,601.58
2 April 2026£1,521.50
10 April 2026£1,526.66
17 April 2026£1,493.74
25 April 2026£1,483.42
29 April 2026£1,485.71
30 April 2026£1,486.50
5 May 2026£1,564.74
5 May 2026£1,299
7 May 2026£1,299
8 May 2026£1,299
15 May 2026£1,299
16 May 2026£1,299
16 May 2026£1,299
21 May 2026£1,299

Compare BenQ TK705STi Short throw projector 3000 ANSI lumens DLP UHD 4K (3840x2160) Grey prices UK

*Date of last price update

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Product Information

TK705STi|4K 3000lm Short Throw BenQ Home Entertainment Projector
Big Fun in Small Spaces


0.8 short throw brings 4K big-screen fun to small rooms.

4K Blast at Your Fingertips
Press play and light up the party with 4K brilliance and 3,000 lumens of vibrant fun—even with the lights on. Movies, games, sports—all ready when you are.

Cinematic Brilliance with 3000 ANSI Lumens
Powered by BenQ CinematicColor and HDR-PRO technologies, 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.

As Directors Intended

Calibrated for fidelity, TK705STi reproduces colors with exceptional accuracy and brings scenes to life just as filmmakers envisioned—rich, natural, and true to the original intent.

Experience Cinematic Precision

Advanced tone mapping and contrast enhancement elevates 4K HDR viewing, revealing details in both bright and dark scenes for truly cinematic experiences.

Place and Play: Smart Image Adaptation
TK705STi’s 8-Way Smart Image Adaptation instantly sharpens, centers, and aligns your screen without manual setup.

Automatically corrects vertical and horizontal keystone for properly aligned images—no manual adjustments needed.

Instantly adapts image tone and brightness based on wall color and ambient light, ensuring visuals always stay natural and optimized in any room setup.

Adjust image size digitally without moving the projector—perfect for quick setup in compact or adaptable spaces.

Popcorn. People. Watch Party
Get the party started in no time — no setup, no fuss. With built-in Google TV, TK705STi gives you instant access to Netflix, YouTube, Prime Video, and more. Popcorn’s ready, friends are here. Just press play.


SmartRemote for BenQ Projector App
Skip the remote and take control with your phone. After pairing once, just power on to launch apps, adjust brightness or keystone, and more. With a stable direct connection, there’s no Wi-Fi, no hotspot, and no hassle.

Please ensure your projector is updated through OTA to OS version V14.1.0.59 or above to work correctly.

Google Assistant, Now in Our App

Exclusively available in-app, Google Assistant helps you find something great to watch with personalized recommendations.

Streaming Hot Key

Jump straight to your favorite entertainment with a single tap, seamlessly switching between streaming apps.

Control with Shortcuts

Quickly adjust brightness, auto-keystone, or set a sleep timer with a simple tap in the app.

Game On, Lag Free
Whether you're battling friends or exploring new worlds, TK705STi delivers sharp moves and instant responses. Enjoy smooth, immersive gameplay on PS5, PS4, Xbox Series X, Nintendo Switch, and Steam Deck.

Everything You Need to Win
Powered by HDMI 2.1 and ALLM (Auto Low Latency Mode), TK705STi automatically detects gameplay signals to reduce video delay, so you're always ready with low input lag and ultra-responsive visuals.

Ultra-Fast Low Input Lag: 5 ms (4K/60Hz)

Experience ultra-responsive gameplay with 5 ms input lag at 4K/60Hz, turning your sight, hearing, and reflexes into instant action.

HDR Game Modes

Unlock optimized visuals with HDR-RPG and HDR-FPS modes, fine-tuned for richer contrast, depth, and cinematic detail.

Play & Charge in One Go
TK705STi is the only projector in its class with USB-C (up to 30W) charging, letting you power your device while you play. No breaks, no dead batteries.

Style. Simplicity. Seamless.
TK705STi blends seamlessly into your home with clean lines, premium fabric finish, and thoughtful details. Inspired by dappled sunlight filtering through layered leaves, its side vent design reflects the relaxed, cozy vibe of watching movies, evoking a clean and inviting space you’ll love.

Adjustable Feet for Inverted Projection

Flexible screen height adjustment for perfect alignment.

Refined Foot Design

Integrated ceiling mount holes reduce clutter underneath.

Sleek Side Control Panel

Easy access for fine-tuning image and volume.

Set It Your Way
With multiple tripod holes and universal screw compatibility, TK705STi adapts effortlessly to your space. Whether placed on a shelf, ceiling-mounted, or flipped upside down, it delivers a seamless big-screen experience just the way you like it.

Big Screen, Your Way
TK705STi projects up to 150” with flexible throw distances, bringing big-screen entertainment to any room without complex setup.

Connect Your Way
Go wired or wireless: pair your soundbar with Bluetooth 5.2 or plug in devices via HDMI 2.1, USB-C, or USB-A. Phones, consoles, laptops - everything connects easily.

Data Projectors BenQ

Product

Name
BenQ TK705STi Short throw projector 3000 ANSI lumens DLP UHD 4K (3840x2160) Grey
Brand
BenQ

Weight & dimensions

Weight
3.8 kg
Width
229.2 mm
Depth
249.7 mm
Height
168.2 mm

Operational conditions

Operating temperature (T-T)
0 - 40 °C

Projector

Projector brightness
3000 ANSI lumens
Projection technology
DLP
Projector native resolution
UHD 4K (3840x2160)
Contrast ratio (typical)
600000:1
Native aspect ratio
16:9
Smart projector
Yes
Number of colours
1.07 billion colours
Horizontal scan range
15 - 102 kHz
Vertical scan range
23 - 60 Hz
Keystone correction, horizontal
-20 - 20°
Keystone correction, vertical
-30 - 30°

Video

Full HD
Yes
Video colour modes
Bright cinema, Cinema

Lens system

Zoom capability
Yes
Zoom type
Fixed
Throw ratio
0.8
Offset
100%

Power

Power source
AC
Power consumption (typical)
250 W
Power consumption (standby)
0.5 W
AC input voltage
100 - 240 V
AC input frequency
50/60 Hz

Ports & interfaces

HDMI ports quantity
2
DVI port
No
HDMI version
2.2
DisplayPorts quantity
1
USB 2.0 Type-A ports quantity
1
USB 2.0 Type-C ports quantity
1
Audio (L/R) out
1
DC-in jack
Yes
Enhanced Audio Return Channel (eARC)
Yes

Network

Smart TV
Yes
Wi-Fi
Yes
Wi-Fi standards
802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax)
Bluetooth
Yes
Bluetooth version
5.2

Packaging content

Remote control included
Yes
Batteries included
Yes
Cables included
Power
Manual
Yes
Mounting brackets included
Yes

Design

Product type
Short throw projector
Market positioning
Home cinema
Product colour
Grey

Multimedia

Built-in speaker(s)
Yes
RMS rated power
16 W

Features

Noise level
26 dB
Interactive
No
High Dynamic Range (HDR) technology
High Dynamic Range 10 (HDR10), High Dynamic Range 10+ (HDR10 Plus), Hybrid Log-Gamma (HLG)
Video apps
Google TV
AirPlay
Yes

Light source

Light source type
LED
Service life of light source
20000 h
Service life of light source (economic mode)
30000 h

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