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White rectangular projector with front lens and side vents

BenQ

BenQ LK935 4K UHD 5500 lm business projector

SKU CH-FR8B-YERMJ MPN LK935

Projects 4K UHD images at 5500 lumens with a 21:9 aspect ratio, 20000-hour laser life and 1.6× zoom for flexible installation

  • 4K UHD 3840 x 2160 resolution delivers sharp detail for presentations
  • 5500 lumen brightness keeps images clear in well-lit rooms
  • 21:9 aspect ratio fits ultra-wide video conferencing layouts
  • 6× zoom with 1.36–2.18 throw ratio enables flexible placement up to 200-inch display
  • 20000-hour lamp life in normal mode reduces maintenance downtime

Meeting room projector

The BenQ LK935 is a 4K UHD laser projector built for business environments. It produces 5500 lumen brightness at 3840 x 2160 resolution with a 3000000:1 contrast ratio. The light source is rated for 20000 hours in normal mode. Mounting options include ceiling, wall and floor placement.

21:9 wide format for split-screen calls

The 21:9 aspect ratio matches ultra-wide video-conference layouts so participants and content appear side by side without letterboxing. A dedicated Video Conference Mode adjusts skin-tone rendering for more natural faces. Buyers who need a standard 16:9 image or who require built-in wireless streaming should evaluate other models.

Flexible installation with 1.6× zoom

The throw ratio spans 1.36 to 2.18, allowing up to a 200-inch image from a six-metre distance. Combined with large lens shift and 1.6× optical zoom, the unit fits varied room depths and ceiling heights without moving furniture. This single specification determines whether the projector suits your space.

Highlights

  • 4K UHD 3840 x 2160 resolution delivers sharp detail for presentations
  • 5500 lumen brightness keeps images clear in well-lit rooms
  • 21:9 aspect ratio fits ultra-wide video conferencing layouts
  • 6× zoom with 1.36–2.18 throw ratio enables flexible placement up to 200-inch display
  • 20000-hour lamp life in normal mode reduces maintenance downtime

Specifications

BrandBenQ
Shipping weight9.34 kg
Package size530 × 470 × 297 mm

Questions about this item

What does the 5500 lumen brightness mean for a real meeting room?

The 5500 lumen output keeps 4K UHD images clear and readable even when the lights stay on or sunlight enters the room, so presenters do not need to dim the space for split-screen video calls.

How does the HDMI input limit what I can show at 4K?

The HDMI port accepts a 3840 x 2160 signal at 2160p, so any source that outputs 4K UHD over HDMI will display at full resolution without downscaling.

What mounting options and throw distance does the LK935 need?

It supports ceiling, wall or floor mounting, offers a 1.36 – 2.18 throw ratio for up to a 200-inch image from six metres, and includes large lens shift plus 1.6x zoom for flexible placement.

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