The ViewSonic LX720-4K is designed to deliver a premium big-screen entertainment experience for movies, gaming, streaming, and sports viewing. Combining true 4K UHD resolution, advanced laser phosphor technology, Google TV integration, and ultra-fast gaming performance, the projector positions itself as a versatile all-in-one home cinema solution for modern living rooms and entertainment spaces.
Built with 3rd-generation laser phosphor technology, the LX720-4K offers a long-lasting lamp-free projection system with up to 20,000 hours of operational life in Normal Mode and up to 30,000 hours in Eco Mode. This eliminates the need for frequent lamp replacements while ensuring consistent brightness and color performance over years of use. The projector is designed for users seeking low maintenance and reliable long-term performance for daily entertainment.
True 4K HDR Visual Experience
The projector features a native resolution of 3840 × 2160, delivering true 4K UHD clarity with highly detailed imagery and sharp textures. Support for HDR and HLG content enhances contrast, highlights, and shadow detail, producing more immersive visuals for movies, TV shows, sports, and gaming content. With support for frame-sequential 3D playback, users can also enjoy compatible 3D entertainment on the big screen.
Powered by 3,500 ANSI Lumens of brightness, the LX720-4K is designed to perform well in both dark home theater environments and brighter living rooms. Whether watching daytime sports or nighttime movies, the projector maintains vivid colors and strong image visibility without requiring a fully darkened room.
Massive 300-Inch Cinematic Display
One of the major highlights of the LX720-4K is its ability to project images up to 300 inches in size. This large-screen capability transforms ordinary rooms into immersive entertainment environments suitable for family movie nights, live concerts, gaming sessions, and sports events.
The projector includes a flexible 1.3x optical zoom lens that allows users to fine-tune image size and placement without physically moving the projector. Combined with a throw ratio of 1.127–1.465, installation becomes significantly easier for both ceiling-mounted and tabletop setups.
Flexible Installation and Easy Setup
ViewSonic equips the LX720-4K with multiple image adjustment tools to simplify installation. Horizontal and vertical keystone correction of ±25° helps align the image even when the projector is positioned at an angle. Additionally, 4-corner adjustment ensures accurate image geometry for off-center installations.
The projector’s compact dimensions of 312 × 234 × 104 mm and lightweight 3.5 kg body make it relatively easy to move between rooms or integrate into various home theater setups.
Smart Streaming with Built-In Google TV
The LX720-4K includes built-in Google TV, giving users direct access to popular streaming platforms including Netflix, YouTube, Disney+, and more without requiring external streaming hardware. The smart interface provides personalized recommendations and app integration for a seamless entertainment experience.
The projector also supports compatibility with external streaming devices such as Chromecast, Apple TV, Fire TV, and Roku. A dedicated USB-A power output allows certain streaming devices to remain powered directly from the projector, helping reduce cable clutter and simplifying setup.
Wireless connectivity is enhanced with built-in 5GHz Wi-Fi support for stable screen casting from smartphones, tablets, and laptops. Users can mirror content wirelessly and enjoy large-screen presentations, videos, and photo sharing with minimal setup.
Gaming Performance and Ultra-Low Input Lag
Gaming is a major focus of the LX720-4K. The projector supports ultra-fast 1ms input latency at 1080p/240Hz, providing highly responsive gameplay with minimal delay. It also supports 4K gaming at 60Hz for modern consoles and PC gaming systems.
The combination of a 240Hz refresh rate and fast DMD chip response time helps reduce motion blur and improve visual smoothness during competitive gaming and fast-action scenes. This makes the projector particularly attractive for gamers seeking a large-screen immersive experience without sacrificing responsiveness.
Audio Features and Connectivity
The LX720-4K includes a built-in 10W Cube speaker designed to provide clear and immersive sound for everyday viewing. For users seeking enhanced audio performance, HDMI ARC support enables simplified connection to external soundbars or AV receivers using a single HDMI cable.
Bluetooth audio output is also supported, allowing wireless connection to Bluetooth headphones or speakers for private listening or flexible audio setups.
Eye-Care Focused Viewing
Unlike traditional direct-view displays, the LX720-4K uses reflected light projection, which can help reduce eye strain during extended viewing sessions. The projector also includes a manually adjustable low blue light mode designed to improve long-term viewing comfort.
Complete Specifications
Display & Projection
- Projection System: 0.47″ 4K-UHD
- Native Resolution: 3840 × 2160
- Brightness: 3,500 ANSI Lumens
- Contrast Ratio: 3,000,000:1
- Display Colors: 1.07 Billion Colors
- Light Source: Laser Phosphor
- Light Source Life:
- Normal Mode: 20,000 hours
- Eco Mode: 30,000 hours
- Screen Size: 60″ to 300″
Lens & Installation
- Lens: F=1.94–2.12, f=11.9–15.5mm
- Throw Ratio: 1.127–1.465
- Optical Zoom: 1.3x
- Keystone Correction: H/V ±25°
- 4-Corner Adjustment: Yes
- Projection Offset: 110% ±6%
- Throw Distance: 1.49–9.72m
Gaming Features
- Input Lag: 1ms
- Refresh Rate Support: Up to 240Hz
- 4K Gaming: 60Hz
Audio & Smart Features
- Built-in Google TV
- Native Netflix App
- Built-in 10W Cube Speaker
- Bluetooth Audio Output
- HDMI ARC Support
- Wireless Screen Casting
- 5GHz Wi-Fi
Connectivity
- HDMI 2.0 (HDCP 2.2): 2
- USB Type-A Power Output: 1
- 3.5mm Audio Out: 1
- RS232: 1
- Bluetooth 5.0
Physical Specifications
- Weight: 3.5 kg
- Dimensions: 312 × 234 × 104 mm
- Noise Level:
- Normal Mode: 32dB
- Eco Mode: 26dB
Accessories
Included accessories with the LX720-4K include:
- Power Cord
- Backlit Bluetooth Remote Control
- Quick Start Guide
Optional accessories include:
- PJ-WMK-007 Wall/Ceiling Mount
- PJ-CASE-008 Carry Bag
