Description
BenQ TK705STi 4K HDR Short Throw Projector, 3000 ANSI Lumens, Google TV, Netflix, Low Input Lag, Auto Image Adjustment, Bluetooth, HDMI 2.1, 150″ Big Screen, MEMC, HDR10+, Compact Living Room Setup
The BenQ TK705STi is a premium 4K UHD short throw 4LED home entertainment projector designed for users who want a large-screen cinema and gaming experience without requiring a large projection distance. With 3840 × 2160 4K UHD resolution, 3000 ANSI lumens brightness, 600,000:1 contrast ratio, and a 0.8 throw ratio, the TK705STi can create an immersive screen of up to 150 inches while remaining suitable for modern living spaces.
Built around BenQ’s CinematicColor and HDR-PRO technologies, the TK705STi delivers vibrant colours, strong contrast and detailed HDR imagery. Its 98% Rec.709 colour coverage, 30-bit colour processing and support for HDR10+, HDR10 and HLG make it suitable for movies, streaming, sports and other entertainment.
Gaming is another major strength. With HDMI 2.1, ALLM (Auto Low Latency Mode) and 5ms input lag at 4K/60Hz, the projector is designed for responsive gameplay on compatible consoles and devices. Dedicated HDR FPS and HDR RPG modes further optimise the picture for different gaming experiences.
The TK705STi also combines Google TV, Netflix and popular streaming services with flexible connectivity including HDMI 2.1, USB-A, USB-C with up to 30W Power Delivery, eARC and Bluetooth 5.2. Its compact short-throw design and long-life 4LED light source make it a versatile choice for modern home entertainment.
4K UHD Resolution for Immersive Large-Screen Entertainment
The BenQ TK705STi delivers 4K UHD resolution of 3840 × 2160, providing approximately 8.3 million pixels for detailed large-screen visuals.
The high resolution helps reproduce fine details in:
- 4K movies
- Streaming content
- Sports
- Video games
- Nature documentaries
- High-resolution photographs
- Cinematic content
The projector uses a 16:9 native aspect ratio, making it suitable for modern television, movies, gaming consoles and streaming services.
3000 ANSI Lumens for Bright, Vibrant Images
With 3000 ANSI lumens brightness, the TK705STi produces a bright and engaging image for home entertainment.
The high brightness is particularly useful for users who want to enjoy large-screen content in rooms where complete darkness may not always be practical.
It helps maintain visual impact across:
- Movies
- Sports
- TV shows
- Gaming
- Streaming
- Family entertainment
Short Throw 0.8 Ratio for a 150-Inch Screen
The TK705STi features a 0.8 throw ratio, allowing it to produce a large image from a comparatively short projection distance.
BenQ positions the projector for screen sizes of up to 150 inches, making it suitable for rooms where a conventional long-throw projector may require too much distance.
The supplied product information highlights the ability to achieve a 150-inch screen from approximately 2.6 metres, providing an immersive big-screen experience without requiring an extremely deep room.
CinematicColor with 98% Rec.709 Coverage
BenQ’s CinematicColor technology is designed to deliver rich and natural-looking colour reproduction.
The TK705STi provides up to 98% Rec.709 colour coverage, supporting accurate colour reproduction for movies, television content and gaming.
Its 30-bit colour processing and 1.07 billion colours help create smoother colour transitions and detailed visual reproduction.
Colour Highlights
- 98% Rec.709
- 30-bit colour processing
- 1.07 billion colours
- CinematicColor technology
- 4K UHD resolution
HDR-PRO for Enhanced HDR Images
The HDR-PRO technology helps optimise HDR content by managing brightness, contrast and tonal detail.
HDR processing can improve the visual difference between highlights and darker areas, making compatible movies and games appear more dynamic.
The TK705STi supports:
- HDR10+
- HDR10
- HLG
- HDR
- HDR FPS
- HDR RPG
This range of HDR formats and modes provides flexibility across different entertainment sources.
HDR10+ for Dynamic Scene Optimisation
The TK705STi supports HDR10+, allowing compatible content to use dynamic metadata to optimise image characteristics across different scenes.
This can help improve:
- Highlight detail
- Shadow detail
- Contrast
- Colour depth
- Scene-by-scene HDR presentation
The result is a more dynamic viewing experience for compatible movies and gaming content.
5ms Input Lag for Responsive 4K Gaming
The TK705STi is designed with gaming performance in mind.
It provides 5ms input lag at 4K/60Hz, allowing compatible gaming systems to deliver responsive controls while maintaining 4K image quality.
The projector also supports:
- 5ms at 1080p/60Hz
- 5ms at 2K/60Hz, output to 1080p/60Hz
- 5ms at 4K/60Hz
This makes the projector suitable for users who want to combine large-screen cinema with responsive console gaming.
HDMI 2.1 & ALLM for Gaming
The TK705STi features two HDMI 2.1 inputs with HDCP 2.2 support.
Combined with ALLM (Auto Low Latency Mode), the projector can automatically detect compatible gaming signals and switch to a low-latency configuration.
This is particularly useful for gaming on:
- PlayStation 5
- PlayStation 4
- Xbox Series X
- Nintendo Switch
- Steam Deck
- Compatible gaming PCs
HDR FPS & HDR RPG Game Modes
The projector includes dedicated gaming picture modes designed around different gaming experiences.
HDR FPS Mode
HDR FPS mode is designed to improve visibility and image presentation in fast-paced first-person shooter games.
HDR RPG Mode
HDR RPG mode is designed to provide richer cinematic depth and visual detail for role-playing and story-driven games.
These dedicated modes make it easier to adapt the projector’s image presentation to different gaming genres.
Google TV for Streaming Entertainment
The TK705STi combines large-screen projection with Google TV, providing convenient access to compatible streaming and entertainment applications.
Users can access supported services such as:
- Netflix
- YouTube
- Prime Video
- Other compatible streaming applications
This makes the projector suitable as an all-in-one home entertainment display without requiring a separate streaming device for every service.
Netflix for Direct Movie Streaming
With supported Netflix access, the TK705STi makes it convenient to watch movies and series directly through the projector’s smart entertainment environment.
Users can enjoy compatible streaming content on a screen of up to 150 inches, transforming a living room or media room into a large-screen entertainment space.
USB-C with Up to 30W Power Delivery
One of the standout connectivity features of the TK705STi is its USB-C interface with up to 30W Power Delivery.
The USB-C port supports:
- DisplayPort connectivity
- Power Delivery
- USB reader functionality
- Up to 30W output
This can be particularly useful for compatible portable devices that need power while connected to the projector.
It also makes the projector convenient for modern laptops, handheld gaming devices and USB-C-enabled equipment.
Flexible HDMI, USB-A & Trigger Connectivity
The TK705STi provides a useful selection of physical connections.
HDMI
- 2 × HDMI 2.1
- HDCP 2.2
USB-A
- 1 × USB-A 2.0
- Media reader and firmware upgrade support
USB-C
- DisplayPort
- Up to 30W Power Delivery
- Reader functionality
12V Trigger
A 3.5mm DC 12V trigger is included for compatible automated home cinema equipment.
This can be useful when integrating the projector with compatible motorised screens or other supported AV equipment.
eARC for Immersive External Audio
The TK705STi supports HDMI eARC, allowing compatible high-quality audio signals to be sent to an external sound system.
The supplied specifications indicate support for 7.1-channel audio through eARC.
This makes the projector suitable for integration with:
- AV receivers
- Soundbars
- Surround sound systems
- Dolby Atmos-compatible equipment
- Dedicated home theatre audio
Built-In 16W Stereo Audio
The TK705STi features two built-in 8W speakers, providing a combined 16W audio output.
The integrated speakers provide convenient sound for:
- Movies
- Gaming
- Sports
- Streaming
- Everyday entertainment
For a dedicated home cinema, the eARC connection allows users to integrate a more powerful external audio system.
Bluetooth 5.2 for Wireless Audio
The projector supports Bluetooth 5.2, allowing compatible wireless audio devices to be connected.
This provides additional flexibility for users who want to pair:
- Bluetooth speakers
- Wireless headphones
- Compatible audio equipment
Bluetooth connectivity can help reduce cable clutter during casual movie and gaming sessions.
Flexible Installation with 2D Keystone
The TK705STi provides automatic and manual 2D keystone correction.
Supported adjustment ranges include:
- Vertical: ±30°
- Horizontal: ±20°
This makes it easier to achieve a properly aligned image when the projector cannot be positioned perfectly square to the screen.
Fixed Short Throw Optical Design
The projector uses a fixed optical zoom design with a 0.8 throw ratio.
The lens specification is:
- F/#: 1.8
- Focal length: 8.498mm
- Projection offset: 100%
The short-throw optical configuration makes the projector particularly suitable for rooms where projector placement distance is limited.
4LED Light Source for Long-Term Use
The TK705STi uses a 4LED light source designed for long operating life.
BenQ specifies:
- 20,000 hours in Normal mode
- 30,000 hours in ECO mode
The long-life LED design reduces the need for frequent lamp replacement and makes the projector suitable for regular home entertainment use.
Premium Design for Modern Interiors
The TK705STi is designed to blend into contemporary living spaces.
Its clean lines, premium fabric finish and carefully designed side ventilation are intended to complement modern home interiors.
The design concept is inspired by dappled sunlight filtering through layered leaves, creating a softer visual character rather than a purely technical appearance.
Up to 150-Inch Big-Screen Experience
The TK705STi can project an image of up to 150 inches, providing a cinema-style viewing experience in a home environment.
The combination of short throw projection and large image size makes it suitable for:
- Living rooms
- Media rooms
- Gaming rooms
- Home theatres
- Family entertainment spaces
- Sports viewing
Console & Handheld Gaming Compatibility
The projector is designed to work with a broad range of gaming platforms.
Compatible systems listed in the supplied product information include:
- PlayStation 5
- PlayStation 4
- Xbox Series X
- Nintendo Switch
- Steam Deck
With 4K/60Hz support and 5ms input lag, the TK705STi combines large-screen visuals with responsive gaming performance.
Key Highlights at a Glance
- BenQ TK705STi
- 4K UHD 3840 × 2160
- 3000 ANSI Lumens
- Short Throw 0.8 Ratio
- Up to 150-Inch Screen
- 4LED Light Source
- 600,000:1 Contrast Ratio
- 30-Bit / 1.07 Billion Colours
- 98% Rec.709
- HDR10+
- HDR10
- HLG
- HDR Auto Cinema
- HDR FPS Mode
- HDR RPG Mode
- 5ms Input Lag at 4K/60Hz
- HDMI 2.1
- ALLM
- Google TV
- Netflix
- USB-C 30W Power Delivery
- USB-A 2.0
- eARC
- 7.1-Channel Audio Return
- 2 × 8W Speakers
- Bluetooth 5.2
- 2D Keystone Correction
- Auto Vertical ±30°
- Auto Horizontal ±20°
- 20,000-Hour Normal 4LED Life
- 30,000-Hour ECO 4LED Life
- 3-Year Onsite Warranty
- LED Source Warranty: 3 Years / 5,000 Hours
- Ideal for Movies, Streaming, Sports & Gaming
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