Optoma UHD51ALV 3000 Lumens 4K / UHD DLP Projector With Voice Assist

SKU: sil72420


Optoma's UHD51ALV is an upgraded model of its award-winning Optoma UHD51A, which offers higher brightness for enhanced 4K UHD performance in environments with ambient light. The Optoma UHD51ALV features an RGBWRGBW color wheel and 3,000 lumens of brightness to produce brighter, more spectacular images with rich lifelike color and contrast for immersive experiences. Compatibility with Amazon Echo and Google Assistant devices enables easy integration into smart homes regardless of the preferred voice assistant.

Use voice commands to power the projector on and off, change volume, change input source and control the USB media player. Additionally, the UHD51ALV utilizes the latest Texas Instruments™ 4K UHD DLP chipset capable of displaying 8.3-million simultaneous distinct pixels at screen sizes 140 inches and higher. A pair of HDMI 2.0 inputs with HDCP 2.2 support, HDR compatibility and wide color gamut ensure 4K device compatibility, rich lifelike color and contrast for immersive experiences. A 1.3x optical zoom and 15% vertical lens shift provide installation flexibility.

Optoma has built a smarter home theater with this smart 4K UHD projector that's suitable for lights-on viewing situations.


  • UHD51ALV Smart projector
  • Lens cap
  • AC power cord
  • HDMI cable
  • Remote control
  • Batteries for remote
  • WUSB Wi-Fi adapter (for Alexa Wi-Fi or wireless screen mirroring)
  • Multilingual CD-ROM
  • User’s manual
  • Quick start guide
  • Warranty card


  • Alexa Smart Home and Custom Skills: Alexa smart home and custom skills enable projector control via Amazon Alexa. Supported control functions include power on/off, volume level, input selection, USB media player playback and image mode changes.
  • Google Assistant Compatible: Google Voice Action compatibility provides projector control via Google Assistant. Supported control functions include power on/off, volume level, input selection, USB media player playback and more.
  • DLP Technology: DLP® (Digital Light Processing) is a proprietary technology from Texas Instruments that offers digital projection with higher contrast, faster response time, good pixel structure and virtually no color degradation.
  • Full 3D: Display true 3D content from almost any 3D source, including 3D Blu-ray Disc™ players, 3D broadcasting, and the latest-generation game consoles.
  • Support for 144Hz rapid-refresh rate provides ultra-smooth flicker-free images. Optoma 3D glasses required.
  • Dynamic Black Technology: This feature gives more depth to your image by smoothly adjusting the lamp output to create a stunning high contrast ratio. Bright scenes appear crisp and clear, while dark scenes remain detailed with deep blacks and exceptional light and shade detail.
  • PureMotion: Using sophisticated frame-interpolation technology, advanced motion control processing eliminates motion blurring or image judder, even in high-speed action sequences. PureMotion works in both 2D and 3D and is optimized for 1080p24.
  • UltraDetail: This technology ensures all the information contained in an image is accurately reproduced on the screen to give a stunning crystal clear, pin-sharp picture. Complex algorithms detect each frame and improve image sharpness before the frame is projected.
  • PureColor: This mode allows the projector to reproduce more detailed shades of color for vibrant, natural-looking images. Colors are more saturated and more accurate.
  • Vertical Lens Shift: Vertical lens shift simplifies installations by shifting the image up and down without image distorsion to provide a wider range of projector placement possibilities, making it easier to position the projector in a room.
  • HDR: High dynamic range (HDR) technology delivers brighter whites and deeper black levels. Optoma HDR accepts HDR10 signals with four selectable picture modes: Normal, Bright, Detail, Film
  • DCI-P3: Color the way it is meant to be seen – rich, colorful and cinematic pictures and games via DCI-P3 wide color gamut coverage.
  • BT.2020: HDR signals are mapped using REC.2020 tone mapping and provides coverage for REC.709, DCI-P3 and a wide coverage color gamut.
  • PC-Free USB 4K UHD HDR Media Player: Integrated 4K UHD HDR USB Media Player provides playback of 1080p and 4K UHD HDR video, audio files and images along with support for Office Documents and PDF Files.


  • Technical:
    • Aspect Ratio: 16:9 (native), 4:3 and LBX compatible
    • Audio 2x 5 Watt Speakers
    • Brightness: 3,000 ANSI Lumens
    • Color Wheel: RGBWRGBW 8 segment
    • Connections: 2xHDMI 2.0 (w/ HDCP 2.2, MHL 2.1), VGA-in, audio-in (3.5mm), audio-out, S/PDIF out (optical), x4 USB 2.0, RJ-45, RS-232C, 12V trigger
    • Contrast Ratio: Up to 500,000:1 with Dynamic Black
    • Display Technology: Single 0.47” 4K UHD DMD DLP® by Texas Instruments™
    • Image Size: 34.1” – 302.4 (34.1” to 140” optimal image size)
    • Light Source Life: 4,000/10,000/15,000 (Bright/ECO/Dynamic)
    • Lens Shift: Vertical: 15% offset (with tolerance ±5%)
    • Maximum Resolution: 4K (4096 x 2160) @ 30Hz
    • Native Resolution: 4K UHD (3840 x 2160) @ 60Hz with XPR Technology
    • Noise Level: 28/25dB (Bright/ECO)
    • Offset: 100% (see Lens Shift)
    • Operating Temperature: 41–104°F (5–40°C), 85% max humidity
    • Power Consumption: 317W typical (Bright mode), 348W max (Bright mode), 259W typical (Eco+ mode), 285W max (Eco+ mode)
    • Power Supply: AC input 100–240V, 50–60Hz, auto-switching
    • Projection Distance: 2.9’ – 34.89’
    • Projection Lens: F=2.5 – 3.26, F=20.91 – 32.62 mm manual focus
    • Projection Method: Front, rear, ceiling mount, table top
    • Remote Control: Full Function Home Remote Control
    • Throw Ratio: 1.21 – 1.59 (distance/width) ±5% variance
    • Uniformity: 80%
    • Zoom Type: 1.3x Manual, 0.8 – 2.0 Digital
  • Compatibility:
    • 3D Compatibility: Side-by-Side: 1080i50 / 60, 720p50 / 60, Frame-pack: 1080p24, 720p50 / 60, Over-Under: 1080p24, 720p50 / 60
    • Computer Compatibility: 4K UHD 2160p, WUXGA, HDTV 1080p, UXGA, SXGA, WXGA+, WXGA (1366×768), WXGA, HDTV (720p), XGA, SVGA, VGA, PC and Mac compatible
    • Video Compatibility: 4K UHD 2160p (24/50/60Hz), 1080p (24/50/60Hz), 1080i (50/60Hz), 720p (50/60Hz), 480i/p, 576i/p
  • Physical:
    • Dimensions: 15.4” x 11.1” x 5.1”
    • Security: Kensington® lock port, password (OSD)
    • Weight: 11.75 lbs

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