Ultra-Thin & Lightweight Design
The Reta 2 Small Pitch LED Display features an ultra-thin, lightweight design with modular, cable-free connections. With multiple pixel pitch options, it adapts seamlessly to different indoor scenarios, providing flexible installation and a sleek, modern look.

Exceptional Display Quality
Delivering high-precision, stable images with wide viewing angles and accurate color reproduction, the Reta 2 ensures energy-efficient operation and a long lifespan. Its superior performance guarantees low maintenance costs and a consistently impressive viewing experience, making it ideal for commercial and educational environments.

Flexible Cabinet Heights for Optimized Viewing
With multiple cabinet height options, the Reta 2 allows for customized indoor setups, ensuring optimal viewing quality for every scenario. Perfect for boardrooms, auditoriums, retail spaces, and classrooms, it adapts effortlessly to diverse layout requirements.

Target Configuration
Calculate physical dimensions for your high-res LED wall.
Optimized for 16:9 Standard Aspect Ratio
Boost Your Brand Value
The Reta 2 enhances your brand image by delivering high-definition, realistic visuals that capture attention and improve information transmission efficiency. Its combination of market competitiveness, cost-effectiveness, and immersive display quality makes it the perfect solution for businesses, schools, and institutions seeking impactful indoor LED displays.

| Pixel pitch (mm) | 1.25 | 1.5 | 1.6 | 1.8 | 2.0 | 2.5 |
|---|---|---|---|---|---|---|
| LED Type | SMD1212 | SMD1515 | SMD1515 | SMD1515 | SMD1515 | SMD2121 |
| Pixel Density (m²) | 640,000pixels/m² | 422,754pixels/m² | 360,288pixels/m² | 284,444pixels/m | 250,000pixels/m² | 160,000pixels/m² |
| Module Dimensions(mm) | W320×H160 | W320×H160 | W320×H160 | W320×H160 | W320×H160 | W320×H160 |
| Panel Dimensions (mm) | 640×640×30 | 640×640×30 | 640×640×30 | 640×640×30 | 640×640 ×30 | 640×640×30 |
| Resolution of Module (Wx H) | 256×128 | 208×104 | 200×100 | 172×86 | 160×80 | 128×64 |
| Resolution of Panel (W× H) | 512×512 | 416×416 | 400×400 | 344×344 | 320×320 | 256×256 |
| Weight Per Panel | 6.5KGS | |||||
| Cabinet Material | Die-casting Aluminum | |||||
| Maintenance way | F | |||||
| IP Rating | IP21 | |||||
| Brightness (after Cal.) | 600-800nits | |||||
| Refresh Rate | 7680HZ | |||||
| Horizontal Viewing Angle | 160° | |||||
| Vertical Viewing Angle | 160° | |||||
| Color temperature | 6500K±500K | |||||
| Processing | 14bit | |||||
| Average Power Consumption | 220w/m² | |||||
| Max Power Consumption | 550 w/m² | |||||
| Operating Temp/Humidity | -20-45*C/ 10%~60% | |||||
| Expected LED Lifetime (Max) | 100,000 Hrs | |||||
| Certificate | ETL/ FCC/CE / EMC /Rohs | |||||
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Technical Support & Installation Engineering Guide
Sostron’s Fine Pitch LED solutions (P0.9 – P1.8) are designed for mission-critical indoor environments where every pixel counts. Achieving a “true-to-life” visual experience requires not just high-quality modules, but an engineering-grade installation process that ensures perfect structural flatness and electrical stability.
1. Ultra-Flat Sub-Frame Engineering
For pixel pitches under 1.5mm, a deviation of even 0.1mm can cause visible shadow lines. The foundation is the most critical step.
Z-Axis Leveling: We recommend a CNC-machined aluminum or high-grade steel sub-frame. The mounting surface must be leveled to within ±0.05mm across the entire span.
Expansion & Contraction: For large-scale indoor video walls (e.g., 8-meter wide), the structure must account for building settlement. Use our precision shim kits to compensate for minor wall irregularities.
Magnetic Module Alignment: Our cabinets utilize high-strength neodymium magnets with floating connectors, allowing the modules to self-align to the frame’s plane, eliminating “Z-step” artifacts.
2. High-Density Power & Heat Management
Small pitch displays pack thousands of LEDs into a small area, making thermal management vital for color uniformity.
Distributed Cooling: The Fine Pitch series uses a fanless, natural convection design. To maintain a silent environment (under 20dB), ensure a 60mm air gap is maintained if the screen is recessed into a decorative wall.
Low-Heat Drive ICs: Our common-cathode architecture reduces power consumption by 30%, which directly translates to a cooler screen surface—preventing “color drifting” in high-brightness areas of the display.
Power Redundancy: For command centers, we recommend a 1+1 redundant power supply configuration. If one power unit fails, the system switches instantly without any visual interruption.
3. Professional Calibration & Optical Tuning
A fine-pitch screen is only as good as its uniform color reproduction.
Pixel-Level Brightness Calibration: Every Sostron Fine Pitch module is factory-calibrated. Post-installation, we provide on-site camera-based calibration to account for the specific lighting conditions of your room (e.g., overhead LED office lights).
Low-Brightness Grayscale Optimization: In conference rooms, screens are often run at 20-30% brightness. Our driver ICs maintain 16-bit grayscale depth even at low NIT levels, ensuring no detail is lost in the shadows during dark-themed presentations.
Viewing Angle Consistency: To prevent “color shift” when viewed from the side, our modules feature specialized matte-black masks that provide a wide 160°/160° viewing angle with zero reflection.
4. Precision Installation Workflow
Step 1: Frame Verification: Use a laser leveler to verify the sub-structure’s verticality.
Step 2: Bottom-Up Assembly: Start from the bottom-center cabinet and expand outwards. This prevents cumulative error from tilting the entire wall.
Step 3: Vacuum Handling: Modules must be handled using the Sostron Vacuum Suction Tool. Never touch the LEDs with bare hands, as skin oils can degrade the pixel coating over time.
The optimal pixel pitch for the Reta 2 Small Pitch LED Display depends on your viewing distance and installation environment. For close-up indoor applications such as boardrooms or classrooms, pixel pitches between 1.2mm and 2.5mm provide crisp, high-definition images. For larger indoor areas like auditoriums or shopping centers, slightly larger pixel pitches still maintain excellent clarity while reducing costs.
Brightness and refresh rate are crucial for a smooth, immersive viewing experience. The Reta 2 offers high brightness to ensure visibility even under indoor lighting conditions, while its high refresh rate eliminates flickering and ghosting in videos. This combination delivers clear, vibrant images and comfortable viewing, essential for commercial displays, presentations, and educational content.
Not necessarily. The Reta 2 Small Pitch LED Display is designed for low maintenance. Its modular structure allows for quick component replacement, and high-quality LEDs reduce the need for frequent repairs. Combined with its energy-efficient design, the overall maintenance cost is significantly lower than traditional display solutions.
The Reta 2 uses advanced LED technology that consumes less power while maintaining high brightness and color accuracy. Features like intelligent brightness adjustment and energy-saving circuits further reduce electricity consumption, making it eco-friendly and cost-effective for long-term operation.
When selecting a small pitch LED display, consider:
Viewing distance: Smaller pixel pitch for close-up viewing, larger for wider areas.
Installation environment: Indoor vs. semi-outdoor conditions.
Content type: Video, graphics, or text.
Budget & ROI: Balance upfront cost with energy savings and lifespan.
The Reta 2 Small Pitch LED Display offers flexible pixel pitches, modular design, and superior display quality, making it suitable for a variety of commercial, educational, and professional environments.