The ViewSonic LDM231-251 is a 231” All-in-One Direct View LED display designed for premium corporate, educational, and public environments requiring high visual impact and dependable performance. With 600 nits of brightness, a 6,500:1 contrast ratio, and a 3,840Hz refresh rate, it delivers vivid, smooth, and detailed imagery for presentations, digital signage, and large-scale collaboration. Dual 30W speakers provide room-filling sound, while the Glue-on-Board (GOB) surface treatment and IP54-rated front protection ensure long-lasting durability. Featuring an ultra-slim 31mm chassis, 6mm bezels, and a detachable control box, the LDM231-251 combines elegance, reliability, and simplicity in one seamless LED solution.

Key Features

• 231” Seamless LED Display: Expansive Full HD (2048×1152) resolution with 600 nits brightness, 6,500:1 contrast ratio, and 3,840Hz refresh rate ensures superior clarity and fluid motion for every application.
• Glue-on-Board (GOB) Surface Treatment: Advanced coating protects against collision, dust, and moisture while maintaining image precision and uniformity—ideal for high-traffic venues.
• All-in-One Integration: Combines power, control, image stitching, and display modules in one unified system, allowing installation by two people in under two hours for effortless setup and minimal downtime.
• Detachable Control Box: Achieves a near 99% screen-to-body ratio and simplifies access for service or AV system integration while maintaining a clean, bezel-free aesthetic.
• Powerful Dual 30W Speakers: Integrated stereo sound delivers rich, balanced audio without external amplification—perfect for boardrooms, auditoriums, and classrooms.
• IP54 & IK06 Front Protection: Front-facing ingress and impact resistance ensure consistent performance and reliability even in demanding environments.
• Ultra-Slim, Modern Design: A 31mm profile and 6mm bezels deliver a sleek, professional appearance that complements any architectural space.
• Comprehensive Connectivity: Equipped with HDMI 2.0 ×4 (HDCP 2.2), USB-A ×3, USB-C (data only), RJ45 ×3, Wi-Fi (2.4G/5G), SPDIF, and audio outputs, plus AV control system compatibility for centralised management.
• Flexible Display Options: Supports Picture-in-Picture (PIP) and Picture-by-Picture (PBP) modes, as well as wireless casting for versatile collaboration and content sharing.

Specifications

Display	231” Direct View LED; Full HD 2048×1152; 600 nits brightness (100 levels adjustable); 6,500:1 contrast; 3,840Hz refresh rate; 170° viewing (H/V); 100,000-hour LED lifespan
Pixel Pitch	2.5 mm (SMD 3-in-1 GOB, copper bonding wire)
Embedded OS	Android 9.0 (32GB storage, 26GB available)
Inputs	HDMI 2.0 ×4 (HDCP 2.2; 3 internal, 1 external), USB-A ×3 (USB 3.0 ×1, USB 2.0 ×2), RJ45 ×3 (2 internet, 1 control), IR In (3.5mm) ×1, Wi-Fi 2.4G/5G, USB-C ×1 (data only)
Outputs	HDMI Out ×1 (HDCP 1.4), Audio Out (3.5mm) ×2, SPDIF ×1
Speakers	2 × 30W integrated stereo speakers
Power	100–120V/40A ~50/60Hz or 220–240V/25A ~50Hz; Power consumption: 1443W (typ.), 4124W (max.); <0.7W (hibernate)
Ingress / Impact Protection	IP54 (Front) / IK06 (Front)
Dimensions (W × H × D)	5132 × 3026 × 31 mm (202.05 × 119.13 × 1.22 in); 53 mm with wall mount
Weight	Net: 378 kg (833.3 lb); Gross: 726 kg (1600.6 lb)
Operating Conditions	0–40 °C; 20–80% RH (non-condensing)
Included Accessories	2× power cords, Cat 5E LAN cable, IR extender, remote control, wall mount, installation guide, 20× spare LED modules, maintenance tools (LD-MK-004 & LD-MK-006)
Optional Accessories	Maintenance Tools: LD-MK-004, LD-MK-006

Application Examples

Corporate Boardrooms	Deliver impactful presentations and video conferences with superior image quality and integrated high-fidelity audio.
Educational Institutions	Facilitate immersive teaching and large-format learning with bright, reliable visuals and easy maintenance.
Public Venues & Auditoriums	Engage large audiences with seamless visuals and strong sound clarity for live events and broadcasts.
Hospitality & Retail	Enhance guest experiences or brand storytelling with vibrant digital signage and ultra-slim design integration.
Command & Control Centers	Depend on 24/7 operation, robust protection, and precise LED clarity for real-time data visualization.

The ViewSonic LDM231-251 combines premium LED display technology with robust engineering and modern aesthetics. Designed for simplicity, reliability, and immersive performance, it offers a complete All-in-One LED experience—delivering powerful visuals, clear sound, and effortless installation for large-scale communication and collaboration.