ViewSonic LX720-4K RGB 2,000 ANSI Lumens 4K RGB Laser Home Cinema Projector
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Product Description
ViewSonic LX720-4K RGB – 4K RGB Laser Home Cinema Projector
The ViewSonic LX720-4K RGB is a compact 4K UHD home projector that uses a red, green and blue laser light source to reproduce the full BT.2020 colour space. Rated at 2,000 ANSI lumens, it pairs true 3840 x 2160 resolution with HDR10 and HLG support for rich, cinematic pictures.
Aimed at film fans and gamers who want a big screen without a large chassis, it projects images up to 300 inches, offers a 1.3x optical zoom and flexible geometry correction, and cuts input lag to as little as 1ms for responsive play.
Key Features
- RGB laser light source – separate red, green and blue lasers cover 100% of BT.2020 for vivid, accurate colour
- 4K UHD resolution – 3840 x 2160 detail on a 0.47" DLP chip for sharp, clean images
- 2,000 ANSI lumens – bright enough for evening viewing and rooms with some ambient light
- HDR10 and HLG – extra highlight and shadow detail from compatible 4K sources
- 1ms input lag and VRR – up to 240Hz at 1080p and 60Hz at 4K for fast, tear-free gaming
- 1.3x optical zoom – more freedom over where you place the projector
- H/V keystone, four-corner and warping – square up the image from off-centre or side positions
- Up to 30,000 hours light life – lamp-free, mercury-free and virtually maintenance-free
- HDMI ARC – send audio back to a soundbar or AV receiver over one cable
- 10W cube speaker – built-in sound for quick setups
Picture Quality
The RGB laser engine delivers a wider colour gamut than conventional phosphor laser or lamp projectors, exceeding DCI-P3 cinema coverage. A 3,000,000:1 dynamic contrast ratio and HDR/HLG processing help give films depth, while a low blue light mode supports comfortable long viewing sessions.
Installation and Throw
With a throw ratio of 1.136–1.477 and 1.3x optical zoom, the LX720-4K RGB fills a 100-inch screen from around 2.5 metres, with image sizes from 60 to 300 inches. Horizontal and vertical keystone (±25°), four-corner adjustment and warping make it easy to fit into real rooms.
Connectivity
Two HDMI 2.0 inputs with HDCP 2.2 accept 4K sources such as consoles, Blu-ray players and streaming sticks, and the second HDMI port supports ARC. A 5V/1.5A USB-A port can power a streaming dongle, and RS-232 is provided for control systems.
Technical Specifications
| Model | LX720-4K RGB |
| Technology | DLP, 0.47" 4K UHD |
| Native resolution | 3840 x 2160 |
| Brightness | 2,000 ANSI lumens |
| Contrast | 3,000,000:1 |
| Light source | RGB laser |
| Light life | 20,000 h (Normal) / 30,000 h (Eco) |
| Colour | 1.07 billion colours, 100% BT.2020 |
| Throw ratio | 1.136 – 1.477 |
| Optical zoom | 1.3x |
| Image size | 60" – 300" (100" at 2.50m) |
| Keystone | H/V ±25°, four-corner, warping |
| Input lag | 1ms |
| Inputs | 2x HDMI 2.0 (HDCP 2.2), one with ARC |
| Outputs | 3.5mm audio out, USB-A 5V/1.5A |
| Control | RS-232, USB-A service |
| Speaker | 10W cube |
| Noise | 33dB (Normal) / 27dB (Eco) |
| Power consumption | 85W (Normal) |
| Dimensions (W x D x H) | 312 x 234 x 104 mm |
| Weight | 3.2 kg |
What's in the Box?
- Projector
- Power cord
- Backlit remote control
- Quick start guide
| Wide | Height | Diagonal |
|---|
