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BenQ

BenQ LW830ST WXGA 4,000-Lumen Laser Short-Throw Projector

£1,308.00inc. VAT
£1,090.00 ex. VAT
In stock, dispatched within 2 working days
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Bought in the UK, backed in the UKWhy it matters →
  • In UK stock, ships from the UK
  • UK manufacturer warranty
  • UK-based engineers
  • No import duty or customs charges
  • GBP pricing, UK VAT invoices
Return within 14 days
Manufacturer warranty
Installation services available
Call 01342 580255
Key specifications
IT takes controlStreamlined Device Management
ResolutionWXGA (1280 x 800)
White Light Output4,000 ANSI lumens
Contrast Ratio3,000,000:1 (FOFO)
Aspect Ratio16:10
Projection TechnologySingle-chip DLP
Light SourceLaser, 20,000 hours normal / 30,000 hours eco
Throw Ratio0.52:1
All 17 specifications
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Description

0.5 short throw ratio for large image from short distance.

Also in this range:5,500-Lumen 4,600-Lumen 5,000-Lumen 3,500-Lumen Full specifications Compare alternatives

One-click preset configurations to prepare multi-projectors for blending.

IP6X sealed engine with optional filter for optimal dust resistance and protection.

Supports firmware updates via LAN to keep all devices up to date without physical access.

Laser high visual 4000 ANSI lumen brightness

Optimised for Multi-Projector Projects from Fast Setup to Long Term Performance

* Preset configuration. Automatic edge blending software not included. Additional software or hardware is required to complete edge blending.

360° and Portrait Projection for Full Installation Freedom

Ready for Dusty Venues

Firmware Management Over Network

Easily update all projectors via LAN to keep firmware current without physical access.

Reliable Performance, Less Maintenance

Ensure long-term stability, freeing SI teams to focus on creative installations rather than routine upkeep.

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Key features

Blending Ready Mode

One-click preset in the OSD that applies key settings to prepare images for multi-projector blending.

Brilliant Visuals with Stable Colour and Performance

The LW830ST delivers brilliant image clarity and stable performance across every detail—from vivid Rec.709 colour and high contrast to 4000-lumen (ANSI) brightness and 20,000-hour laser life.

BenQ WBA for Seamless Multi-Projector White Calibration

BenQ’s factory white balance adjustment (WBA) reduce variables between images projected from different projectors, significantly reducing manual calibration effort. It can save up to a full day of setup time in large-scale installations while ensuring seamless multi-projector alignment for edge blending.

1

IP6X Sealed Optical Engine for Reliable Operation Designed with a sealed optical engine tested for IP6X protection, helping maintain consistent image performance during long-term use.

2

Optional Filter for Extra Protection Provides added protection in dusty environments and helps extend projector life.

3

Auto Reset Mechanism with Built-in Timer Automatically tracks filter usage and resets the timer when a new filter is installed, without any manual setup.

Remote Monitoring and Diagnostics

Easily track projector status and diagnose issues remotely, eliminating frequent on-site visits.

Technical specifications

Choose a section to view its specifications.

Display (4)
Resolution
WXGA (1280 x 800)
Contrast Ratio
3,000,000:1 (FOFO)
Aspect Ratio
16:10
HDR Support
HDR10, HLG
Connectivity (2)
White Light Output
4,000 ANSI lumens
Connectivity
2 x HDMI 2.0b, LAN (RJ45), 2 x USB-A, RS-232, 3.5 mm audio out
Audio (1)
Audio
15W speaker
Power & Physical (3)
Power Consumption
230W typical (110V)
Dimensions (W x D x H)
279.2 x 229.3 x 120.5 mm
Weight
3.4 kg
General (7)
IT takes control
Streamlined Device Management
Projection Technology
Single-chip DLP
Light Source
Laser, 20,000 hours normal / 30,000 hours eco
Throw Ratio
0.52:1
Zoom
Fixed lens
Keystone Correction
2D auto: vertical +/-30 degrees, horizontal +/-30 degrees
Noise Level
30 dB typical / 24 dB eco
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Throw distance guide

With its 0.52:1 throw ratio, here's how far the projector needs to sit from the screen for common 16:10 image sizes. Try our throw distance calculator for your exact room.

Try a size
100"
16:10 diagonal image
Image
2.15 m × 1.35 m
Lens position
1.1 m
Side view: drag the projector to try its available lens positions
SCREEN1.35 m high1.1 mlens to screen
Position fits
Image sizeImage dimensionsLens distance
60"1.29 m × 0.81 m0.7 m
80"1.72 m × 1.08 m0.9 m
100"2.15 m × 1.35 m1.1 m
120"2.58 m × 1.62 m1.3 m
150"3.23 m × 2.02 m1.7 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" 16:10 · 2.15 m × 1.35 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

Video Conferencing

No video conferencing options found in our catalogue.

Professional Installation

Want it installed by our AV experts? We offer professional on-site installation including mounting, cable management, and system configuration.

Your Configuration
BenQ LW830ST WXGA 4,000-Lumen Laser Short-Throw Projector × 1£1,308.00
Total£1,308.00
inc. VAT
1

Delivery & returns

Estimated delivery 15 Sept - 19 Sept. 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 in UK stock and ships to you from within the UK, so the order never crosses a customs border on its way to you.

  • 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.

All transactions are processed over an encrypted, secure checkout.

Purchase order & invoice terms

Alternative products

Closest matches in this category on price and capability. Not sure which way to go? Our technical team will talk it through.

Need help specifying this for your space?

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