Optoma LH351ST

Compact high brightness Short throw Full HD 4LED projector

The LH351ST is one of Optoma’s most compact and hassle-free Full HD 4LED projectors to date. Designed for maintenance-free continuous operation, this 3300-lumen projector delivers powerful image performance with flexible installation features and extensive connectivity options in a sleek, compact form factor.

Categories: , SKU: Optoma-LH351ST
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Compact Short Throw Full HD LED Projector

The Optoma LH351ST is a compact Full HD LED projector designed for classrooms, meeting rooms and professional environments. With 3,300 lumens of brightness and a short throw lens, it delivers large, vibrant images from a short distance, making it ideal for smaller spaces where installation flexibility is important.

Long-Life 4LED Light Source

Powered by Optoma’s advanced 4LED technology, the LH351ST provides up to 30,000 hours of maintenance-free operation. The LED light source delivers consistent brightness, rich colours and eliminates the need for regular lamp replacements.

Sharp Full HD Image Quality

Native Full HD 1080p resolution produces crisp, detailed images for presentations, videos and digital content. The projector supports HDR-compatible content and displays up to 1.07 billion colours for vibrant, lifelike visuals.

Short Throw Installation

The short throw lens allows large images to be projected from a very short distance, reducing shadows and making the projector ideal for classrooms, boardrooms and interactive presentation spaces.

Flexible Installation Options

With horizontal and vertical keystone correction, 360° projection and portrait mode support, the LH351ST can be installed in almost any orientation to suit a variety of applications.

Professional Connectivity & Control

Featuring dual HDMI 2.0 inputs, VGA, USB, RJ45 network control and RS232, the projector integrates easily into modern AV systems. It is also compatible with Optoma Management Suite for remote monitoring and fleet management.

Built for Everyday Use

A built-in 10W speaker, quiet operation and support for continuous 24/7 operation make the LH351ST an excellent choice for education, business presentations and digital signage installations.

Display & Image

🎥 Projection Technology: DLP®
🖥️ Resolution: Full HD 1080p (1920 × 1080)
💡 Brightness: 3,300 lumens
⚫ Contrast Ratio: 300,000:1
🌈 HDR Support: Yes
📐 Supported Aspect Ratios: 16:10, 16:9, 4:3

Light Source

🔆 Light Source Type: LED Laser
⏳ Light Source Lifespan: Up to 30,000 hours

Optics & Projection

📍 Projection Type: Short Throw
📐 Focal Length: 6.9 mm
🔄 Lens Shift: No
🎯 Auto Focus: No

Video & Display Compatibility

🎬 Supported Video Resolutions:
• 1080p / 1080i
• 720p
• 576p / 576i
• 480p / 480i

💻 Supported PC Resolutions:
• 640 × 480
• 800 × 600
• 1024 × 768
• 1280 × 720
• 1280 × 800
• 1280 × 1024
• 1600 × 1200
• 1920 × 1080

🕶️ 3D Support: Yes
🔄 Vertical Refresh Rate: 24 – 120 Hz

Connectivity

🔌 Video Inputs:
• 2 × HDMI 2.0
• 1 × VGA

🔊 Audio Output:
• 1 × 3.5mm Audio Out

🖥️ Additional Ports:
• USB Type-A
• RS-232 Serial

🌐 Network: Ethernet (RJ45)

Audio

🔊 Built-in Speaker: 1 × 10W

General

🔇 Noise Level: 29 dB (Eco) / 35 dB (Normal)
🎮 Gaming Projector: No
📡 Remote Control: Included
🌐 Network Ready: Yes
📺 Smart TV Features: No
🤖 Android TV / Google TV: Not included
✍️ Interactive Projector: No

Power

⚡ Power Consumption: 124W
💤 Standby Power: 0.5W

Physical Specifications

📏 Dimensions (W × D × H): 307 × 228 × 125 mm
⚖️ Weight: 3.2 kg

Warranty

🛡️ Commercial Warranty: 2 Years (Seller Warranty)