ViewSonic LS901-4K 5,500 ANSI Lumens 4K HDR Laser Installation Projector
PRODUCT DESCRIPTION
ViewSonic LS901-4K 5,500 ANSI Lumens 4K HDR Laser Installation Projector - 3 Years Local Warranty
True 4K HDR
3840 x 2160 4K UHD with HDR for exceptional clarity, plus 21:9 support for Microsoft Teams Rooms.
High Native Contrast
0.65" DMD chip with DLP technology and a 3,000,000:1 contrast ratio.
Installation Flexibility
1.7x zoom (1.2–2.04 throw ratio), vertical lens shift, H/V keystone and 360° projection; 100" at about 2.66 m.
3rd Generation Laser Phosphor
Up to 20,000 hours (Normal) / 30,000 hours (SuperEco), with centralised LAN control.
Need projectors for several meeting rooms, classrooms or venues? Email sales@sourceit.com.sg for volume pricing and delivery lead time.
ViewSonic LS901-4K Datasheet — Technical Specifications
General
| Product Name | ViewSonic LS901-4K 5,500 ANSI Lumens 4K HDR Laser Installation Projector |
| Model | LS901-4K |
| Local Warranty (Singapore) | 3 years on-site limited warranty on parts and labour (pick-up and drop-off); laser light source, no lamp to replace |
Optical
| Projection System | 0.65" 4K UHD |
| Native Resolution | 3840 x 2160 (4K UHD) |
| Brightness | 5,500 ANSI lumens (6,000 centre lumens) |
| Contrast Ratio | 3,000,000:1 |
| Display Colour | 1.07 billion colours |
| Light Source | Laser phosphor |
| Light Source Life | 20,000 hours (Normal) / 30,000 hours (SuperEco) |
| Lens | F=2.3–3.0, f=17.63–27.9 mm |
| Throw Ratio | 1.2–2.04 |
| Optical Zoom | 1.7x |
| Digital Zoom | 0.8x–2.0x |
| Image Size | 30"–300" |
| Throw Distance | 0.80–13.55 m (100" at 2.66 m) |
| Projection Offset | 154% ±10% |
| Lens Shift | V: 0% to -21% |
| Keystone | H: ±30°; V: ±30° |
| Input Lag | 4.2 ms |
Compatibility
| Resolution Support | VGA (640 x 480) to 4K UHD (3840 x 2160) |
| HDTV Compatibility | 480i, 480p, 576i, 576p, 720p, 1080i, 1080p, 2160p |
| Horizontal Frequency | 15–255 kHz |
| Vertical Scan Rate | 23–240 Hz |
Connectivity
| HDMI | 2 x HDMI 2.0 (HDCP 2.3) |
| Audio Out | 1 x 3.5 mm |
| USB | 1 x Type-A power (5 V / 1.5 A); 1 x Type-A service |
| Control | 1 x RS232 (DB9); 1 x RJ45 LAN |
| Speaker | 15 W x 2 |
Power & Environmental
| Power Supply | 100–240 V ±10%, 50/60 Hz |
| Power Consumption | 245 W (Normal); <0.5 W standby |
| Audible Noise | 31 dB (Normal); 25 dB (Eco) |
| Operating Temperature | 0–40 °C |
Physical
| Dimensions (W x D x H) | 337 x 280 x 132 mm |
| Net Weight | 4.85 kg |
| Gross Weight | 6.8 kg |
| Packaging | 496 x 387 x 195 mm |
| OSD Languages | 23 |
Compatibility & Software Support
Sources
Two HDMI inputs accept 4K HDR sources; the USB-A power port runs a streaming stick or a ViewShare wireless casting kit (WPD-700).
Room Control
RJ45 LAN control for centralised management plus RS232 (DB9) for control systems. Firmware updates via ViewSonic's projector software update tool.
Typical Use
Meeting rooms (including Microsoft Teams Rooms with TeamJoin TRS10), lecture rooms, museums, sports bars and screen golf.
Package Contents & ViewSonic Laser & LED Projector Ordering Information
In the Box
LS901-4K projector, power cord, remote control, quick start guide.
Optional Accessories
| Wall/ceiling mount | PJ-WMK-007 |
| HDBaseT dongle | HB10B |
| Wireless screen casting kit | WPD-700 |
| Microsoft Teams Rooms console | TeamJoin TRS10 |
ViewSonic Laser & LED Business Projectors
| Model | Key feature |
| LS500WHE | 3,000 lm WXGA, LED |
| LSD400W | 4,000 lm WXGA, laser |
| LSD400HD | 4,000 lm 1080p, laser |
| LS711HD | 4,200 lm 1080p, short throw laser |
| LS740W | 5,000 lm WXGA, laser |
| LS740HD | 5,000 lm 1080p, laser |
| LS832WU | 5,000 lm WUXGA, ultra short throw laser |
| LS860WU | 5,000 lm WUXGA, short throw laser, HDBaseT |
| LS901-4K (this listing) | 5,500 lm 4K UHD HDR, laser |
| LS920WU | 6,000 lm WUXGA, laser, 1.6x zoom |
| LS921WU | 6,000 lm WUXGA, short throw laser |
Datasheet & Downloads
| ViewSonic datasheet | LS901-4K Datasheet |
| User guide | LS901HD/LS901-4K User Guide (PDF, English) |
| Quick start guide | LS901-4K Quick Start Guide (PDF) |
| ViewSonic product page | LS901-4K on viewsonic.com |
Need a PDF sent directly? Email sales@sourceit.com.sg quoting LS901-4K.
Frequently Asked Questions — ViewSonic LS901-4K
How far from the screen does it go?
The 1.2–2.04 throw ratio places a 100" image at about 2.66 m, from 30" up to 300".
Is it true 4K?
Yes. Native resolution is 3840 x 2160 (4K UHD) with HDR support.
Can it be installed at any angle?
Yes. It supports 360° projection, with vertical lens shift and H/V keystone to align the image.
Does it need lamp replacements?
No. The laser light source is rated up to 20,000 hours (Normal) or 30,000 hours (SuperEco).
What warranty do I get?
3 years on-site limited warranty on parts and labour (pick-up and drop-off service on Singapore's main island). Supplied by SourceIT with a GST invoice.






