Is the AK900ST worth it over a cheaper 4K laser projector?

If you run a golf simulator or a bright room with a large screen, yes. The brightness, short throw and true 4K chip are hard to match lower down. For a dark home theater, a standard-throw 4K laser gives a similar picture for much less.

Does it need a special screen?

It works with standard and golf-simulator screens. Pixel mapping supports curved screens, and the short throw ratio means the screen sits close to the projector.

How is it for movies and gaming?

Screen Memory switches between golf and movie settings quickly. Input lag is 4.8 ms at 1080p 240 Hz, but there is no HDMI 2.1, so 4K gaming tops out at 60 Hz.

Do I have to replace the lamp or filter?

No. The laser light source is sealed and IP5X rated, so there is no lamp or filter to change. Expect a long service life before brightness drops noticeably.

What comes in the box?

The projector, a remote with battery, a 1.8 m power cord, a quick start guide and a warranty card. Cables and a mount are not included.

Can I mount it on the ceiling?

Yes, and motorized vertical and horizontal lens shift helps. The chassis is large and heavy, so use a mount rated for its weight.

Where is the BenQ AK900ST cheapest?

At ProjectorScreen.com, for $5,999.00, as of our latest check.

Where can I buy the BenQ AK900ST?

17 stores we checked sell it, including ProjectorScreen.com, Indoor Golf Essentials, Sim Golfer, Gungho Golf, My Golf Direct.

BenQ AK900ST

Best price now

$5,999.00at ProjectorScreen.comChecked 4 h ago

Compared across 17 stores. Prices are checked against each store and labelled with when.

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What reviewers say

Owners and installers treat the AK900ST as a purpose-built simulator projector. They praise its brightness, true 4K sharpness and short-throw fit in golf bays, and note that setup takes time.

What people mention

BrightnessPraisedOwners say the 6,000 lumens keeps the image clear in rooms with ambient light.
SharpnessPraisedReviewers highlight true 4K detail on large simulator screens.
Short throwPraisedThe 0.81–0.89 ratio lets it fill a big screen from close to the wall.
SetupMixedAuto-fit and corner correction help, but installers still spend time aligning the image.
BuildMixedThe sealed laser engine is welcomed, but the large chassis makes mounting harder.
SoundCriticisedThe built-in 10 W speaker and subwoofer are called weak for a room-sized image.

About the BenQ AK900ST

AK900ST | 4K Short Throw Laser | 6000 LM

The World’s Most Advanced Golf Simulator Projector

From first tee to final putt, experience unmatched color accuracy, brightness, and precision resolution—built for golf simulators.

6,000ANSI Lumens

4K UHD8.3M Pixels

97%Rec. 709 Coverage

3,000,000:1Contrast Ratio

0.81–0.89Short Throw Ratio

4.8msInput Lag (1080P 240Hz)

The Most Realistic Golf Sim Image

4K UHD • 6000 Lumens • Rec. 709 • Golf Mode 2.0

Advanced AI Setup for Complex Installs

Integrated Camera Auto-Fit • Corner Fit Adjustment • AI Screen Keystone • Pixel Mapping for Curved Screens

All in One Entertainment SimTheater

Switch from golf to movies or gaming at the click of a button with Screen Memory

Maintenance Free Sealed Laser Engine

Dust Proof IP5X Rated • No Filter Replacement • No Bulb Replacement

True 4K. AI-Powered Clarity.

See Every Detail. Feel Every Course.

With the highest pixel density available today, BenQ delivers true 4K golf simulation with 8.3 million addressable pixels—so every blade of grass, every hazard looks exactly like the course. Not “enhanced” 4K at 4.6 million pixels that stretches detail and smooths reality into something less real.

Exclusive Golf Mode 2.0

Reproduces the Details of the World's Most Iconic Courses

The Way Golf Is Meant to Be Seen

Real-time Golf Mode reproduces the organic colors and textures of world-class courses. Powered by an advanced video processing chip, every frame is dynamically tuned so you can Play Like You’re There—no matter where "there" is.