The ViewSonic CDE5531 is a 55-inch commercial-grade 4K UHD display engineered for continuous 24/7 operation across corporate, retail, education, and healthcare environments. Powered by Android 14 (AOSP) with upgrade support to Android 16, it integrates a quad-core ARM Cortex-A73 SoC, 8 GB DDR4 RAM, and 32 GB storage to deliver fast warm-boot performance, smooth 4K playback, and responsive content delivery. With 500 nits brightness, a 1 200 : 1 (static) / 5 000 : 1 (DCR) contrast ratio, and ultra-wide 178° viewing angles, the CDE5531 ensures sharp, vibrant imagery in both landscape and portrait orientations. USB media playback with automatic failover, ProAV integration, and centralised management via ViewSonic Manager make it a dependable and efficient display for professional communication and digital signage applications.

Key Features

• Quad-Core SoC Performance: ARM Cortex-A73 processor with 8 GB DDR4 RAM and 32 GB storage delivers rapid warm boot (under 7 seconds) and fluid 4K UHD playback for continuous content delivery.
• Vivid 4K Visuals: 3840 × 2160 native resolution, 500 nits brightness, and a 1 200 : 1 (typical) / 5 000 : 1 (DCR) contrast ratio ensure sharp, true-to-life images for signage and presentations.
• Flexible Orientation: Supports both landscape and portrait modes, ideal for a wide range of professional display scenarios.
• Reliable 24 / 7 Operation: Commercial-grade DLED backlight rated for 50 000 hours ensures continuous performance in demanding environments.
• Comprehensive Connectivity: HDMI 2.0 × 3 (HDMI 1 with ARC), USB-A × 2 (USB 2.0 and USB 3.2 Gen 1), USB-C (DP 1.2 with 15 / 65 W PD and Ethernet sharing), RS-232, SPDIF, RJ45 × 2 (LAN In / Out), 3.5 mm audio I/O, and Wi-Fi slot for seamless integration.
• USB Playback with Automatic Failover: Maintains uninterrupted signage by switching automatically to USB media playback when the primary signal source is lost.
• ProAV Integration & Remote Management: Supports integration with major AV control systems and centralised control via ViewSonic Manager and web-based UI.
• Integrated Dual Speakers: Built-in 16 W × 2 speakers provide rich, clear audio for presentations and public communication.
• Energy Efficient & Certified: ENERGY STAR 8.0 and EPEAT Gold certified with a typical power consumption of 57.75 W for sustainable, low-cost operation.

Specifications

Screen Size	55 inches (diagonal)
Display Type	TFT LCD module with DLED backlight
Display Area (W × H)	1209.6 × 680.4 mm
Resolution	3840 × 2160 (4K UHD)
Aspect Ratio	16 : 9
Brightness	500 nits (typical)
Contrast Ratio	1 200 : 1 (typ.) / 5 000 : 1 (DCR enabled)
Response Time	6.5 ms
Viewing Angle	178° (H) / 178° (V)
Backlight Life	50 000 hours
Surface Treatment	Anti-glare coating, 3H hardness, 25 % haze
Orientation	Landscape / Portrait
Processor	Quad-core ARM Cortex-A73 SoC
Memory / Storage	8 GB DDR4 / 32 GB Flash
Inputs	HDMI × 3 (HDMI 2.0 @ 60 Hz; HDMI 1 with ARC), RS-232 × 1, Wi-Fi slot × 1
Outputs	Audio Out (3.5 mm) × 1, SPDIF × 1, RJ45 (LAN In/Out) × 2 (10 / 100 / 1000 M)
USB Ports	USB-A × 2 (USB 2.0 and USB 3.2 Gen 1), USB-C × 1 (DP 1.2, USB 2.0, 15 W PD, Ethernet sharing)
Speakers	2 × 16 W built-in speakers
Embedded OS	Android 14 AOSP (upgradable to Android 16)
Bundled Software	AirSync (Wireless Presentation), ViewSonic Manager (Device Management)
Power Supply	100 – 240 V AC ± 10 %, 50 / 60 Hz
Power Consumption	57.75 W (typical) / ENERGY STAR 8.0 certified
Mounting (VESA)	400 × 400 mm
Operating Temperature	0 – 40 °C / 20 – 80 % RH (non-condensing)
Operating Hours	24 / 7 continuous operation
Dimensions (W × H × D)	1233 × 703.5 × 62 mm
Weight	Net 12.95 kg / Gross 17.98 kg
Certifications	ENERGY STAR 8.0, EPEAT Gold, CE, FCC, RoHS, REACH, ErP-Eco, CA65, WEEE
Included Accessories	3 m power cord, remote control, 2 × AAA batteries, Quick Start Guide, RS-232 adapter, 4 × wall-mount screws, 3 m HDMI cable (LA certified), compliance statement

What's in the Box

• 3m power cord (by ship area)
• Remote control
• AAA batteries x2
• Quick Start Guide
• RS232 adapter
• Clamp x5
• Wall mount screw x4
• HDMI cable 3m (HDMI LA certified)
• Compliance statement

Application Examples

Corporate Digital Signage	Deploy in reception areas, lobbies, and open corridors to deliver company announcements, visitor information, and brand content in continuous 24/7 mode, scheduled and managed remotely via ViewSonic Manager.
Meeting Room Presentation	Connect laptops, videoconferencing systems, and AV controllers via HDMI 2.1, USB-C with DisplayPort, or LAN for use as the primary display in boardrooms, training rooms, and collaboration spaces.
Education Lecture Environments	Mount in lecture theatres, seminar rooms, and open-plan learning areas to present course materials, timetables, and video content from a centralised management system with automatic daily scheduling.
Retail Point-of-Sale Signage	Schedule promotional campaigns, product highlights, and pricing updates on a timed rotation, with automatic failover ensuring the display never goes blank during trading hours, even if the primary source is interrupted.
Public Venue Information Screens	Install in transport hubs, healthcare waiting areas, and hospitality venues to deliver real-time information, directional wayfinding, and queuing content across a managed network of CDE31-1C displays.