Description
The Sharp PN-LM551 AQUOS BOARD® is a 55-inch interactive display system designed for versatile collaboration and signage applications. Featuring a 4K Ultra HD resolution, infrared touch technology with up to 20 touch points, and an advanced Android 14 CTS-compliant SoC, this display delivers exceptional clarity, responsiveness, and security.
Ideal for small meeting rooms, huddle spaces, classrooms, and interactive signage, the PN-LM551 offers intuitive Pen-on-Paper writing, a built-in whiteboard, annotation overlay, and Windows Ink support. The integrated EShare app enables wireless screen sharing from multiple devices without extra dongles, while a single USB-C cable supports data, audio, video, and power for seamless BYOD workflows.
With a slim 4-sided bezel design and flexible installation options (landscape, portrait, or tilted desk mode), the PN-LM551 combines professional-grade performance with adaptability. Pre-installed apps, including OfficeSuite, web browser, file manager, and wireless sharing, make it ready for out-of-the-box productivity.
| Category | Specification |
|---|---|
| Model | PN-LM551 |
| Screen Size | 55" Class (54-5/8" diagonal) TFT LCD |
| Resolution | 3840 x 2160 (4K UHD) |
| Brightness | 500 cd/m² (typical) |
| Contrast Ratio | 5000:1 |
| Colors | Approx. 1.07 billion |
| Pixel Pitch | 0.315 mm (H) × 0.315 mm (V) |
| Viewing Angle | 178° (H/V) |
| Response Time | 6.5 ms (Gray to Gray, average) |
| Touch Technology | Infrared blocking detection, up to 20 points |
| Inputs | 3x HDMI, 1x USB Type-C |
| Outputs | 1x HDMI, 1x Audio (3.5 mm) |
| USB Ports | 3x USB 3.0 Type-A, 1x USB 3.0 Type-C, 1x USB 2.0 Type-A |
| LAN | 10/100/1000 BASE-T |
| Wireless Connectivity | Wi-Fi 6 (IEEE802.11 a/b/g/n/ac/ax), WPA/WPA2/WPA3 Enterprise, Bluetooth 5.3 |
| Operating System | Android 14 |
| Processor | Arm Cortex-A73 ×4 + Cortex-A53 ×4 (Octa-Core) |
| Memory / Storage | 4GB RAM / 32GB Storage |
| Speakers | 10 W + 10 W |
| Installation Options | Landscape, Portrait, Tilted Desk (0–45°) |
| Power Consumption | 145W (Max 285W) |
| Dimensions (W × D × H) | 49-13/16" × 2-7/8" × 28-15/16" (1265 × 73 × 736 mm) |
| Weight | Approx. 72.8 lbs (33 kg) |
| Operating Conditions | Temp: 41°F–95°F (5°C–35°C), Humidity: 20–80% (no condensation) |
Payment & Security
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Return Policy (Short Summary)
We offer a 30-day return window for most unopened, factory-sealed items.
Returns must be authorized before shipping back and must include all original packaging and accessories. Opened or used items are not returnable unless defective.
Some products—such as custom orders, special-order items, audio gear, software, and LED video walls—are non-returnable. Non-defective returns may be subject to a 20–30% restocking fee, and customers are responsible for return shipping costs.
For damaged or incorrect items, please contact us immediately.
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