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BenQ

BenQ LK954ST 4K UHD 5,100-Lumen Short Throw Laser Projector

£4,381.70inc. VAT
£3,651.42 ex. VAT
Out of stock
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  • Sourced through UK distribution
  • UK manufacturer warranty
  • UK-based engineers
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Key specifications
Resolution4K UHD (3840 x 2160)
White Light Output5,100 ANSI lumens
Contrast Ratio3,000,000:1 (FOFO)
Aspect Ratio16:9
Projection TechnologySingle-chip DLP
Light SourceLaser, 20,000 hours
Throw Ratio0.81 - 0.89:1
Zoom1.1x
All 16 specifications
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Description

BenQ LK954STLK954ST 5100lms 4K Short-Throw Installation Projector

• Amazing Colour Accuracy: sRGB mode for 92% rec 709 colour accuracy and golf mode for vivid grass and sky

• White Balance Adjustment in Factory: White balance calibration for seamless blending

Superb Image Quality for Effective Immersion

Laser  Yes

Native resolution  4K UHD (3840?2160)

Aspect ratio  16:9

Contrast ratio (typical)  3000000:1

Technology  DLP

Lens Throw Ratio TR 0.81~0.89

Horizontal Keystone  +/-40 Degrees

USB 2.0 ports quantity  (x1) USB Type A-1

HDMI ports quantity  (x2) HDMI-1 (2.0b/HDCP2.2) HDMI-2 (2.0b/HDCP2.2)

RS-232 interface  1

Colour  Black

Dimensions W x D x H  416 x 351 x 166 mm

Weight  7 Kg

Lens Ratio  Short Throw (0.4 - 1:1)

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Key features

Reproduce True-to-Life Images for Totally Immersive Experiences

• Flexible Installation: Support 3D keystone and corner fit

DLP Technology for Long-Lasting Vibrant Colour

BenQ laser projectors run on Academy Award-winning DLP technology to deliver true-to-life colors across the projector’s long lifetime.

Revolutionary Laser Technology

Revolutionary Laser Technology BenQ extends its full line of revolutionary laser projectors featuring unique DLP high-brightness laser technology with LK954ST a short-throw fixed-lens projector built for easy and flexible installation in tight spaces.

Superior Brightness

Superior Brightness Zero-deviation alignment of laser diodes boosts luminous flux into the light tunnel enhancing light efficacy to 5100 lumens.

Designed with IP5X Protection

Designed with sealed laser modules and enclosed light engines that protect the DMD chip colour wheel sensor laser package and other optical components to prolong the projector’s lifespan.

Superior Durability

Comprising over two million micromirrors that reflect pure light through the colour wheel the DLP chip is hermetically sealed to resist heat for over 20000 hours without degradation.

24/7 Operations

BenQ laser projectors support 24/7 operation and are suitable for public display applications in museums and exhibitions. Users can choose from three different light-source modes to optimize energy consumption and deliver up to 70000 continuous hours in Dimming Mode.

Optimize Image Quality with 4K Upscaling

LK954ST produces 4K UHD 3840 x 2160 resolution with 8.3 million distinct pixels. To ensure the best image quality LK954ST adopts cutting-edge 4K Image Upscaling technology off all projected images to a resolution of 4K automatically which guarantees superb image sharpness and details.

Features

Brightness (Normal)  5100 ANSI Lumens

Technical specifications

Choose a section to view its specifications.

Display (3)
Resolution
4K UHD (3840 x 2160)
Contrast Ratio
3,000,000:1 (FOFO)
Aspect Ratio
16:9
Connectivity (2)
White Light Output
5,100 ANSI lumens
Connectivity
2 x HDMI 2.0b (HDCP 2.2), DisplayPort, HDBaseT, LAN (RJ45), 3D sync in and out, USB-A (2A power), RS-232, wired remote in and out, 12V trigger
Audio (1)
Audio
1 x 10W speaker, eARC HDMI audio return with Dolby Atmos pass-through, S/PDIF out
Power & Physical (3)
Power Consumption
440W typical (110V)
Dimensions (W x D x H)
416 x 351 x 166 mm
Weight
7 kg
General (7)
Projection Technology
Single-chip DLP
Light Source
Laser, 20,000 hours
Throw Ratio
0.81 - 0.89:1
Zoom
1.1x
Lens Shift
Vertical -60% to +60%, horizontal -23% to +23%
Keystone Correction
3D: vertical +/-40 degrees, horizontal +/-40 degrees, rotation +/-40 degrees
Noise Level
40 dB normal / 33 dB eco
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Throw distance guide

With its 0.81 to 0.89:1 throw ratio, here's how far the projector needs to sit from the screen for common 16:9 image sizes. Try our throw distance calculator for your exact room.

Try a size
100"
16:9 diagonal image
Image
2.21 m × 1.25 m
Lens position
1.8 m to 2.0 m
Side view: drag the projector to try its available lens positions
SCREEN1.25 m highzoom placement range1.9 mlens to screen
Position fits
Image sizeImage dimensionsLens distance range
60"1.33 m × 0.75 m1.1 m to 1.2 m
80"1.77 m × 1.00 m1.4 m to 1.6 m
100"2.21 m × 1.25 m1.8 m to 2.0 m
120"2.66 m × 1.49 m2.2 m to 2.4 m
150"3.32 m × 1.87 m2.7 m to 3.0 m

Planning from a real wall? Use the projector screen size calculator to upload a photo, preview the image to scale and find projectors that fit within your maximum available space. Replacing an existing projector? The projector replacement calculator checks whether this lens covers the ratio your current mount needs.

Distances are lens-to-screen, calculated from the manufacturer's stated throw ratio; allow for lens shift and mounting hardware. Always confirm against the manufacturer's installation guide before fixing mounts.

See it on your wall, to scale

Choose a picture size, then upload a wall photo, or scan the QR code and take it on your phone. We'll show the projected picture at its real size.

Picture size
100" 16:9 · 2.21 m × 1.25 m
On a computer, the QR code sends your phone photo straight back to this page.
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Complete your setup

Optional extras that fit this product. Tick anything you need and it joins the same basket — or add this product on its own from the buy box above.

Choose a Mount

Open Manhattan Projector Mount, Ceiling or Wall, Tilt & Swivel, Height Range: 43-65cm, Max 20kg (opens in a new tab)
Open Manhattan Heavy-Duty Height-Adjustable Projector Ceiling Mount (opens in a new tab)
Open Loxit Projector Ceiling Mount Plate Fixed for 50mm Pole (opens in a new tab)
Open B-Tech BT899/B Universal Projector Ceiling Mount (opens in a new tab)
Open Loxit Projector Ceiling Mount Plate, with Ball Joint for 50mm Pole (opens in a new tab)
Open B-Tech BT899XL/W Heavy Duty Projector Ceiling Mount - WHITE (opens in a new tab)

Choose a Screen

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BenQ LK954ST 4K UHD 5,100-Lumen Short Throw Laser Projector × 1£4,381.70
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inc. VAT
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Frequently asked questions

How far from the screen does the LK954ST need to be?

Its lens throw ratio is 0.81 to 0.89, so for a 100-inch 16:9 image (about 2.21m wide) it needs to sit roughly 1.79m to 1.97m away, with the exact distance scaling with your chosen image size.

What resolution and picture quality does the LK954ST offer?

It's a native 4K UHD (3840x2160) projector with 4K Image Upscaling for lower-resolution sources and a 3,000,000:1 typical contrast ratio, delivering sharp, detailed images.

How bright is the LK954ST?

It produces 5,100 ANSI Lumens from a zero-deviation laser diode array, suiting well-lit installation spaces.

How long does the LK954ST's light source last?

Its sealed laser modules and hermetically sealed DLP chip resist heat for over 20,000 hours without degradation, and the projector supports 24/7 operation with up to 70,000 continuous hours available in Dimming Mode.

What connectivity does the LK954ST have?

It offers 2 HDMI inputs (2.0b/HDCP2.2), 1 USB Type-A port and an RS-232 interface for control integration.

How quickly can TopAV deliver the LK954ST?

It's in stock at TopAV, so dispatch is within 2 working days, with free standard UK delivery on this order value.

Delivery & returns

Estimated delivery 20 Oct - 24 Oct. UK mainland delivery only. Some large or made-to-order items carry longer lead times, shown on the product page.

Unused items in original packaging can be returned within 14 days of delivery — see the returns policy for how business and consumer returns differ. Faulty items are covered under manufacturer warranty and by your statutory rights.

Full delivery & returns policy

Bought in the UK, backed in the UK

  • This item is sourced through UK distribution and ships to you from within the UK, so the order never crosses a customs border.

  • The manufacturer warranty is honoured here in the UK. If something fails, you deal with us, not with an overseas seller in another time zone.

  • Our own UK-based engineers install, commission and support what we sell, and can attend site when a system needs hands on it.

  • Delivered within the UK mainland, so there is no import duty, customs charge or courier handling fee waiting for you on delivery.

  • Prices are in pounds sterling with proper UK VAT invoices, and purchase orders are accepted from approved education accounts: no currency conversion and no surprises at the door.

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Payment & security

Pay securely by card. Education customers can apply for a 30-day purchase order account.

Schools, colleges, sixth forms, universities and multi-academy trusts can order on invoice, with no card payment required. Purchase orders and credit terms are for education customers only.

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