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BenQ TH671ST 1080P DLP Home Theater Projector 3000 Lumens

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  • HIGH RESOLUTION: Native 1080p Full HD image quality with 3000 ANSI lumen high brightness and 10000:1 contrast ratio for ultimate gaming experiences
  • FAST RESPONSE: Ultra-fast 16.67ms low input lag and microsecond DMD response ensure ultra-smooth gaming experiences without motion blur
  • LumiExpert AUTO LIGHT SENSOR: Adjusts image brightness according to ambient light conditions to assure optimal balance and maximum viewing comfort
  • TAKING VIDEO GAMES TO THE BIG SCREEN: Superior short throw projection produces big 100" images from just 1.5 meters for total gaming immersion
  • BUILT-IN SPEAKER: Integrated powerful 5W stereo speaker provides superb audiovisual experiences for games, movies, and TV. Acoustic Noise (Typ./Eco.)-33/29 Dba

  • Overview
  • Specs
  • Warranty & Returns
  • Reviews
BenQ logo
BenQ 1080p projector facing forward with the LUMI EXPERT and #1 DLP logos below it

BenQ TH671ST
Home Entertainment Projector for Video Gaming with 3000lm & Low Input Lag

  • Ultra-low input lag delivers ultra-smooth gaming action
  • Optimizes brightness to provide ambient lighting for maximum comfort
  • The short-throw projects immersive 100" gameplay from just 1.5m
A teenager playing a first-person shooter with his game controller, projector and projector screen in the living room

Enjoy an immersive gaming experience with a larger-than-life screen to fill your vision with BenQ TH671ST, the home-entertainment projector designed for video games. With high resolution, high brightness, low input lag, the LumiExpert feature, powerful 5W stereo speaker and easy setup, the BenQ TH671ST expands your gaming world to make you feel like you’re really in the game.

Ultra-Fast Responses for Smooth Gaming

BenQ's TH671ST projector brings heart-pounding game action to your living room with 16.67ms of low input lag and a microsecond DMD response time for ultra-smooth gaming experiences without unwanted motion blur or image lag.

Comparison gif of hands holding a controller and a video-game basketball player attempting to shoot per the controller's input command. The conventional projector side shows the shooter getting blocked due to lag and the TH67IST shows the shooter able to take and make the shot with little to no lag

Brilliant Audiovisual Quality


Viewing Comfort in Any Ambient Lighting

BenQ LumiExpert actively detects ambient-light conditions in your viewing environment and automatically adjusts balanced visual brightness for maximum comfort.

LUMI expert being used in two living rooms, the left living room has the curtain opens letting light in and the projector screen shows a clear picture of a band playing live. The right room has the curtains closed and the projector screen shows a clear picture of a band playing live

Captivating Enjoyment Loud and Clear

Each TH671ST projector delivers total video enjoyment with epic sound quality. Improved with custom Cinema, Music, Sports and Game modes, its built-in powerful 5W speaker provides exquisitely immersive AV experiences.

Stylized purple graphic of vertical sound waves
A man in a top hat pointing his rifle past the viewer
  • Cinema Mode

Immersive bass and high-frequency performance provides authentic real-world cinema presence.

A band playing live
  • Music Mode

Smoothly balanced performance creates immersive live reproduction of music and concerts.

A football player in red running with the ball past a blue player who missed the tackle
  • Sports Mode

Enhanced mid-frequency and vocals let you jump into sports action without missing any detail from announcers.

A first-person shooter with the player in a wooded meadow
  • Game Mode

Powerful bass and crisp highs let you feel heart-pounding excitement and intense gameplay.

Spectacular Full HD 1080p Visual Performance

Treat your eyes to the brilliance of the TH671ST’s Full HD 1080p visuals, with amazing detail clarity and sharpness for the finest in-home cinematic experience.

Soccer players attempting to make a headbutt play on the ball flying down. This image is clear and shows many gray squares representing high pixel count

Full HD 1080p Delicate-Picture Image Resolution

Soccer players attempting to make a headbutt play on the ball flying down. This image is blurry and shows few gray squares representing low pixel count

Non Full HD 1080p Picture Delicate Image Resolution

BenQ projector facing slightly to the left with light coming from its lense

High Brightness for Lights-On Enjoyment

3,000 lumens of high brightness let you watch in relatively bright settings or even with the lights on. Perfect for living rooms, you can play games or watch sports and movies with the family and see the impressed enjoyment on their faces.

Easy Setup with Hassle-Free Installation


Superior Short-Throw for Any Space

TH671ST projectors maximize thrills in minimal spaces, requiring as little as 1.5m to project stunning 100” pictures. The shortened throw enables carefree gaming enjoyment without space constraints or setup hassles.

Vertical Keystone Correction

Countering the trapezoid effect that occurs when the projector must be placed off-center (such as on top of a table), the vertical keystone feature adjusts the image for a professionally squared image. Keystone correction makes it simple to project ideally aligned images from a variety of locations.

A man jumping for the volleyball falling below the net at the beach

One-Stop Wireless Home Entertainment

The BenQ QCast Mirror HDMI wireless dongle instantly streams video from smart devices without cables. Easily share your videos and photos from mobile devices to your big screen.

A man and woman looking at a tablet that shows a game screenshot that is also being cast through the projector to their living-room projector screen

Learn more about the BenQ TH671ST

Warranty, Returns, And Additional Information
  • Return Policies
    • Return for refund within: Non-refundable
    • Return for replacement within: 30 days
  • This item is covered by's Replacement Only Return Policy.
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