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ViewSonic LS921WU Projector
ViewSonic LS921WU Projector
ViewSonic LS921WU Projector
ViewSonic LS921WU Projector
ViewSonic LS921WU Projector

    ViewSonic LS921WU Projector

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    6,000 ANSI Lumens WUXGA Short Throw Laser Installation Projector

    The LS921WU is an advanced 6,000 ANSI Lumens WUXGA short throw installation projector. Adopting 2nd generation Laser Phosphor technology, the LS921WU offers high and consistent brightness with a lifespan of 20,000 hours and a screen size of up to 200". Short throw ratio, 1.1x optical zoom, wide lens shift, 360° projection, and portrait mode combine for incredible flexibility to create a truly immersive experience, especially ideal for blending projection applications in restaurants, gyms, and simulation/experience centers. Dual HDMI 2.0b / HDCP 2.2 ports ensure access to original 4K quality content with HDR/HLG formats supported. Add to that the compact size and built-in HDBaseT for the perfect mix of high-quality projection and cost-effectiveness.

    • 6,000 ANSI Lumens to deliver bright images up to 200" in size
    • 2nd generation Laser Phosphor technology with a 20,000-hour lifespan
    • 0.81-0.89 short throw ratio for minimal space consumption
    • Wide H/V lens shift, 360° projection & portrait mode for flexible installation
    • Dual HDMI 2.0b supporting 4K HDR/HLG content


    High Brightness

    Packed with 6,000 ANSI Lumens, it is guaranteed to produce high levels of brightness suitable for large spaces with a lot of ambient light.
    6,000 ANSI Lumens

    2nd Generation Laser Phosphor Technology

    Thanks to 2nd generation Laser Phosphor technology, it improves brightness (by 20%), heat-resistance and reduces the product size in addition to excellent color performance, lamp-free design and instant on/off switch.
    Brighter, Smaller, Safer

    Reliable Long-Term Performance

    Laser technology offers a lifespan of up to 20,000 hours (4 hours per day for more than 13 years) with no degradation in brightness over time so that your installations are consistently vibrant.
    20,000 hours

    No Shadows, No Blinding Lights

    With the latest projection technologies from ViewSonic, you'll enjoy all the benefits a short throw projector can offer. When projecting on to a video wall, there are no distracting shadows on the screen image, offering excellent edge blending projection. Plus, a 1.1x optical zoom provides a higher level of flexibility to fit some of the most challenging installation environments.
    0.81-0.89 Short Throw
    1.1x Optical Zoom

    Larger Screen Size, Lower Cost-Per-Inch

    Flexible installation and effortless transportation of the projector allows for an up-to-200” image size, which is much larger and easier to install than multiple commercial displays combined.

    Installation Flexibility

    The tool-free, lens shift control knobs make adjusting the projection lens up, down, left, and right easy. It provides flexible installation options with a wide adjustable range (H: +/- 23%, V: +/-50%) and less placement restrictions.
    Wide H/V Lens Shift

    360° Creative Applications

    The projector can freely rotate at any angle vertically to aid with creative applications, allowing projection onto ceilings, walls, or angled signage.

    90° Portrait Mode

    Portrait mode allows users to turn the projector 90 degrees to increase the vertical field of view and add more applications for projection mapping, staging, and advertising.

    Dual HDMI 2.0b Supporting 4K/HDR/HLG

    It comes with dual HDMI 2.0b / HDCP 2.2 ports, ensuring your access to original 4K quality content with HDR/HLG supported at a 60Hz frame rate from external devices (e.g. Roku stick, 4K Blu-ray player), producing the brightest whites, deepest blacks, and showing more picture detail.
    4K/HDR/HLG Support

    Lighter Weight & Compact Size

    It is almost half the weight and 35% smaller in size when compared with its predecessor, which reduces the cost of transportation and enhances the ease of installation.

    Cost-effectively Receive AV Signal over Long Distance

    With a built-in HDBT receiver, this projector can receive uncompressed high-resolution video and audio over long distances (100 m for 1080p) via a Cat.5e/6 single network cable and is compatible with any certified HDBaseT transmitter.
    HDBaseT Receiver

    Non-stop 24/7 Operation

    With an advanced cooling design, it enables 24/7 operation without degradation of quality or performance, making the projector ideal for applications that require continuous projection.

    Centralized Control for Management Efficiency

    This projector comes equipped with Crestron, AMX, PJ Link, ATEN, Extron, and ViewSonic vController, an easy-to-use network management tool.
    Comprehensive LAN Control

    A Simpler Way to Update Projector Software

    ViewSonic Projector Software Update is available online and enables you to keep your projector firmware up to date easily and conveniently with your laptop and USB cable connection; no need to take your projector into a service center for software updates.

    Learn more: https://youtu.be/irlhJLpDHas
    *The latest projector software update can be found in the download section at the bottom of the page when available.

    Easy Image Adjustment

    Horizontal and Vertical Keystone correction along with 4 corner adjustment features eliminate crooked or distorted images for a perfectly proportioned picture every time.
    H/V Keystone
    4 Corner Adjustment

    SuperColor™ Technology

    ViewSonic’s proprietary SuperColor™ Technology displays a wide color range, ensuring that users enjoy a true-to-life color performance in both bright and dark environments without sacrificing image quality.

    Sealed Optical Engine with IP5X

    The advanced sealed optical engine prevents dust from entering the projector and affecting the thermal system to ensure that the image quality and long lifespan are maintained.

    1. Power Key & IR
    2. Front IR
    3. Lens
    4. Lens Shift Control Knob
    5. Zoom/Focus Ring
    6. Adjustment Foot
    7. LED Indicator
    8. Keypad
    9. Composite
    10. S-Video
    11. USB Type A(5V/1.5A)
    12. HDMI X 2
    13. HDBaseT
    14. Computer In
    15. Monitor Out
    16. LAN
    17. Audio In & Out
    18. 3D VESA
    19. 12V OUT
    20. RS-232



    • Projection System: 0.48" WUXGA
    • Native Resolution: 1920x1200
    • Brightness: 6000 (ANSI Lumens)
    • Contrast Ratio: 3000000:1
    • Display Color: 1.07 Billion Colors
    • Light Source Type: Laser Phosphor system
    • Light Source Life (hours) with Normal Mode: 20000
    • Light Source Life (hours) with SuperEco Mode: 30000 (Eco)
    • Lamp Watt: Nichia 74W x2
    • Lens: F=1.83-1.86, f=8.6-9.4mm
    • Projection Offset: 0%
    • Throw Ratio: 0.81-0.89
    • Optical Zoom: 1.1X
    • Digital Zoom: 0.8x-2.0x
    • Image Size: 60"-200"
    • Throw Distance: 1.04-3.83m (100"@1.74m)
    • Keystone: H:+/-40° , V:+/-40°
    • Lens Shift V. Range: +50%, -50%
    • Lens Shift H. Range: +23%, -23%
    • Audible Noise (Normal): 36dB
    • Audible Noise (Eco): 29dB
    • Input Lag: 16ms
    • Resolution Support: VGA(640 x 480) to 4K(3840 x 2160)
    • HDTV Compatibility: 480i, 480p, 576i, 576p, 720p, 1080i, 1080p, 2160p
    • Video Compatibility: NTSC, PAL, SECAM
    • Horizontal Frequency: 15K-135KHz
    • Vertical Scan Rate: 23-120Hz


    • Computer in (share with component): 1
    • Composite: 1
    • S-Video: 1
    • HDMI: 2 (HDMI 2.0, HDCP 1.4/2.2)
    • Audio-in (3.5mm): 1
    • Audio-in (RCA R/L): 1
    • 3D VESA (Sync): 1
    • HDBaseT: 1


    • Monitor out: 1
    • Audio-out (3.5mm): 1
    • Speaker: 10W x2
    • USB Type A (Power): 1 (5V/ 1.5A)
    • 12V Trigger (3.5mm): 1


    • RS232 (DB 9-pin male): 1
    • RJ45 (LAN control): 1
    • USB Type A (Services): 1 (share with USB A Output)


    • Power Supply Voltage: 100-240V+/- 10%, 50/60Hz (AC in)
    • Power Consumption:
      • Normal: 450W
      • Standby: <0.5W
    • Operating Temperature: 0~40℃
    • Carton: Brown
    • Net Weight: 6.5kg
    • Gross Weight: 9kg
    • Dimensions (WxDxH) with Adjustment Foot: 405x305x145mm
    • Packing Dimensions: 515x490x276mm

    OSD Language

    • English, French, Spanish, Thai, Korean, German, Italian, Russian, Swedish, Dutch, Polish, Czech, T-Chinese, S-Chinese, Japanese, Turkish, Portuguese, Finnish, Indonesian, India, Arabic, Vietnamese, Greek. Total 23 languages

    User Guide Language

    • English, S-Chinese, T-Chinese, Indonesian, Finish, French, German, Italian, Japanese, Korean, Polish, Portuguese, Russian, Spanish, Swedish, Turkish, Arabic, Czech, Thai, Vietnamese. Total 20 languages

    Standard Accessory

    • Power Cord: 1
    • VGA Cable: 1
    • Remote Control: 1 (w/ laser pointer)
    • QSG: Yes
    • Warranty Card: Yes (CN Only)

    Optional Accessory

    • Wall/Ceiling Mount: PJ-WMK-007

    Model No.: LS921WU

    Warranty: 3 Years*

    *ViewSonic Projectors come with THREE(3) years on-site limited warranty on parts and labour; ONE(1) year or 1,000 hours on lamp, whichever comes first.
    Definition:"On-site" warranty means on-site pick and drop service only. It is not applicable to locations out of Singapore's main island.