BenQ TK705STi 4K Smart LED Short Throw Home Theatre Projector
Specifications
- UHD 3840 x 2160 16:9
- 3,000 ANSI Lumens
- 600,000:1 Contrast
- 3.8kg Weight
- 26 / 24db(eco) Fan Noise
- 3 Year/20,000hr Warranty
- 3 Year/20,000hr LED Warranty
- Est. LED Life up to 30,000hrs
Key Features
- 98% Rec. 709 Colour
- Auto V&H Keystone
- Auto Focus
- Auto Obstacle Avoidance
- Instant Off
- Google TV Inbuilt
- Wireless Streaming
- Bluetooth Audio 5.2
- Airplay & Google Cast
- 2x HDMI connections
- 2x 8W Speakers
BenQ TK705STi Throw Distance Chart
Throw Ratio: 0.8:1| Image Size | Installation Distance |
|---|---|
| 92" (16:9) 2030x1140mm | Approx. 1.62m |
| 100" (16:9) 2214x1245mm | Approx. 1.77m |
| 110" (16:9) 2435x1370mm | Approx. 1.95m |
| 120" (16:9) 2657x1494mm | Approx. 2.12m |
| 135" (16:9) 2990x1681mm | Approx. 2.39m |
| 150" (16:9) 3320x1867mm | Approx. 2.65m |
BenQ TK705STi Home Cinema & Gaming LED Projector
0.8:1 Short Throw brings 4K big-screen fun to small rooms.
The BenQ TK705STi is the ultimate short-throw 4K home entertainment projector, perfect for smaller spaces or living rooms where you want a massive screen without the long distance — projecting a brilliant, 3000-lumen True 4K UHD image up to 150 inches from just a few feet away. Powered by a long-lasting LED light source and BenQ's CinematicColor and HDR-PRO technology for vivid, accurate colour, this projector is an all-in-one smart hub with built-in Google TV for instant streaming of Netflix and YouTube, plus it offers an ultra-responsive 5ms input lag at 4K/60Hz via HDMI 2.1, making it an exceptional choice for both cinematic movie nights and lag-free, big-screen console gaming.
Optional Accessories
Movies, Games, Sports. Let the Party Begin
Press play and ignite the party with 4K brilliance and 3,000 lumens of vibrant color—even with the lights on. Perfect for every epic scene and highlight-reel moment.
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.
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.
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.
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.
Big Screen, Your Way
TK705STi projects up to 150” from a short distance, bringing big-screen entertainment to even small rooms, 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.
| Projection System | |
| Projection System | DLP |
| Display | |
| Brightness (ANSI lumens) | 3000 |
| Native Resolution | 4K UHD (3840×2160) |
| Native Aspect Ratio | 16:9 |
| Contrast Ratio (FOFO) | 600,000:1 |
| Display Color | 30-bit (1.07 billion colors) |
| Light Source | LED |
| Light Source Life | a. Normal 20000 hrs, b. ECO 30000 hrs, |
| Optical | |
| Throw Ratio | 0.8:1 |
| Zoom Ratio | Fixed |
| Lens | F/#=1.8, f=8.498 |
| Projection Offset (Full-Height) | 100% |
| Keystone Adjustment | 2D, (Auto) Vertical ± 30 degrees; Horizontal ± 20 degrees |
| Picture | |
| Rec. 709 Coverage | 98% |
| Picture Modes | Auto Cinema, Energy Saving, HDR Auto Cinema, Bright, FPS, HDR, HDR FPS, HDR RPG, HDR10, HDR10+, HLG, RPG |
| Compatibility | |
| Input Lag | 5 ms (1080P 60Hz), 5 ms (2K 60Hz)*output to 1080P 60Hz, 5 ms (4K 60Hz) |
| Resolution Support | VGA (640 x 480) to 4K UHD (3840 x 2160) |
| Horizontal Frequency | 15K~102KHz |
| Vertical Scan Rate | 23-60Hz |
| I/O Interface | |
| HDMI in | HDMI-1 (2.1/HDCP2.2), HDMI-2 (2.1/HDCP2.2), (x2) |
| USB Type A | (x1), USB Type A(2.0/Reader/FW Upgrade) |
| USB Type C | Display Port/ PD out 5V-2A, 9V-2A, 12V-1.5A, 15V-2A(30W) / Reader, (x1) |
| DC 12v Trigger | (x1) |
| Audio | |
| Speaker | (x2), 8W |
| Audio out (3.5mm Mini Jack) | (x1) |
| HDMI Audio Return | eARC, 7.1 channel |
| Environment | |
| Operating Temperature | 0~40℃ |
| Power Supply | AC 100 to 240 V, 50/60 Hz |
| Typical Power Consumption (110V) | 250W |
| Stand-by Power Consumption | <0.5W |
| Network Stand-by Power Consumption | <2W |
| Acoustic Noise (Typ./Eco.)(dB) | 26dBA/24dBA |
| Accessories | |
| Remote Control w/ Battery | RCI079 |
| Power Cord (by region) | x1 (1.0M) |
| Quick Start Guide | (x1) 1L |
| Warranty Card (by region) | Yes |
| On Screen Display | |
| Launcher | Smart Home |
| Smart System | |
| Built-in OS | Yes, Google TV (Android 11) |
| Bluetooth | Yes, Bluetooth 5.2 |
| Wi-Fi Standard | 802.11a/b/g/n/ac/ax(2.4GHz/5GHz) |
| Wireless Projection | AirPlay, Google Cast |
| Dimension & Weight | |
| Dimensions (WxHxD) (mm) | 229.2 x 168.2 x 249.7 |
| Net Weight (kg) | 3.8 |
Remote Control
Power Cord
Rear Panel