4K Cinema
CHiQ B5U Laser UST Projector

Always dreaming for a big screen but stopped by a limited room? CHiQ B5U UST - the stylish ultra short throw projector from CHANGHONG makes your dream come true.

B5U UST deliverers a stunning 100" 4K UHD cinema quality image in your home 19.5cm away from the screen. Not just saving your space, it also helps to minimise the impact of a projector. With B5U UST, you can forget about the hassle to mount the projector on your ceiling or wall, you will no longer be disturbed by people walking in front of the projector.

There is nothing stands between you and an outstanding 4K UHD cinema experience.

Packed with CHANGHONG's proprietary laser display technology, B5U UST provides accurate, vivid colour reproduction with 130% NTSC color gamut and boasts HDR compatibility, MEMC (Motion Estimation and Motion Compensation) processing which eliminates motion blurring or image judder, eye-protection function which automatically turn off the projection lights for 5 seconds when someone gets too close to the lens, built-in WiFi, Bluetooth and media player- B5U offers the true colors with all the latest technologies you ever need for a modern home theater.


Whereas traditional HD is limited to 1920 vertical columns and 1080 horizontal rows of pixels, B5U UHD offers the image resolution of 3,840 x 2,160 to deliver the best possible projection image at your home.

Though 4K Ultra HD is now the industry standard for TV, 4K projectors are not that common. B5U allows you to get ready for tomorrow's home theatre standard today.

130% Colour Gamut

B5U UST offers 130% NTSC color gamut to deliver the accurate, vivid, lifelike UHD images.

0.21 Throw Ratio

With a throw ratio of 0.21, you can project an impressive 100" 4K image 19.5cm away from the screen. This allows you to place the projector right against the screen so you no longer need to mount it on the ceiling/wall and you will not be disturbed again when someone walk in front of the projector.

25000 Hours Laser Source

As a lamp-free laser projector, B5U offers 25,000 hours maintenance free laser light source lifespan, using it 9 hours a day, it will serve you 10 years or more.

Lamp-free also means B5U can get ready when you are, there is no more waiting for the projector to warm up and cool down.

MEMC Processing

Using sophisticated Motion Estimation and Motion Compensation technology, B5U can eliminate motion blurring or image judder to smooths the picture when you watching movie, sports or playing games.

Eye Protection

B5U also features an Eye protection function to avoid accidental damages to your eyes. With its built-in sensor, when someone get too close to the lens, the projector will shut down the light source temporarily (5 seconds) to avoid such damages to happen.

Good for Eyes

Projectors are able to produce much larger images, which put less strain on your eyes. In addition to this, projectors reflect light while TVs emit it. Reflected light is easier on your eyes, keeping your eyes comfortable without the added strain created by emitted light.

All Connected

To be the centre-piece of your home theatre, B5U offers full range of connection ports including Ethernet, coaxial output, audio output, VGA audio Input, VGA input, 2 x USB 2.0, 1 x HDMI 2.0 with ARC, 1 x HDMI 2.0, built-in WiFi (5GHz/2.4GHz Dual Band) and built-in Bluetooth 5.0.

The USB port can power a HDMI dongle, such as Google Chromecast or Amazon FireTV stick.


Optical Parameters Image Quality
Light Source: Laser Motion Compensation: MEMC
Display: DLP (digital lighting process) Video Decoding(USB Support): MPEG1/2, MPEG4, H.263/H.264/H.265, AVS, VC1 etc.
DMD Chip: PICO S316 0.47”4K H.265/VP9 Decoding: Supported
Color Gamut: 130%

Picture Format(USB Support): JPG, PNG, BMP etc.

3D DNR: Supported

HDR: Supported

Display Size: 100" (80-150" adjustable)  
Throw Ratio: 0.21 Sound Parameters
Brightness: 1900 lm Audio Decoding: MPEG1/2, Layer3, VORBIS, WMA, Ac4 etc.
Resolution: 3840 x 2160 Built-in Speaker: 10W*2
Contrast: 15000:1  
Light Source lifetime: 25000 hours Interface
  Input: USB2.0*2, HDMI2.0*2, VGA, Audio input(L/R, φ3.5mm), Rj45
Electrical Parameters Output: Digital audio output (coaxial),
Voltage: 100-240V 50/60Hz Analog audio output(L/R, φ3.5mm)
Power Consumption: 225W (W/O audio)  
Noise: TYP 30dB(A) Interactive Device
  Internet Connectivity: Wireless + cable
System Parameters WiFi: IEEE 802.11a/b/g/n/ac, 2.4GHz/5GHz Dual Frequency
Operating System: Android8.0 Blue Tooth: 2.1/4.2/5.0
CPU: Cortex 73 /Duo-core+ Cortex 53/Duo-core (1.7GHz)  
GPU: Mail-G51/Duo-core Others
RAM: 3GB Color: Silver grey
Storage: 64GB EMMC Material: PC+ABS+One Body Metal Mesh
Refresh Frequency: 120Hz Size: 485*325*135mm
  Net Weight: Appox. 9.7Kg
  Projection Mode: Front desk, Rear desk, Front ceiling mounted, Rear ceiling mounted
  Focusing: Motor Focusing



User Manual (English)

Product Specification

CB Certificate

CB Test Report

Verification of Compliance

*All documents for downloads are PDF files. Adobe PDF Reader is required to view the documents.