The ViewSonic CDE4331 is a 43-inch 4K Ultra HD commercial display engineered for reliable 24/7 operation and seamless professional communication. Featuring native 3840 × 2160 resolution, 500 nits brightness, and wide 178° viewing angles, it delivers crisp, vibrant visuals ideal for digital signage, conference rooms, retail, and public spaces. Powered by Android 14 with upgradeability to Android 16, its built-in Quad-Core ARM Cortex-A73 processor, 8 GB RAM, and 32 GB storage ensure smooth, responsive playback and long-term compatibility. The display also supports fast warm boot startup under 7 seconds, USB media playback with automatic failover, and full ProAV integration for centralised management via ViewSonic Manager and a web-based control UI.

Key Features

• Native 4K UHD Resolution: Delivers sharp, high-definition visuals in both landscape and portrait orientations for signage or presentation environments.
• Fast Warm Boot: Boots and launches signage content in under 7 seconds to minimize downtime.
• Commercial-Grade Brightness & 24/7 Reliability: 500 nits brightness and durable DLED backlight ensure consistent performance around the clock.
• Android 14 Platform: Equipped with a Quad-Core ARM Cortex-A73 CPU, 8 GB RAM, and 32 GB storage for fast performance; upgradable to Android 16 for extended support.
• Automatic USB Failover: Continuous content playback with automatic switching between primary and backup media sources.
• ProAV Integration: Supports RS232, LAN control, and remote management via ViewSonic Manager and web-based interface.
• Comprehensive Connectivity: HDMI × 3 (with ARC), USB-A × 2, USB-C (PD 65 W), RS232, LAN (in/out), SPDIF, and 3.5 mm audio in/out ports.
• Dual 16 W Speakers: Delivers clear, room-filling sound without external amplifiers for meetings and public spaces.
• Energy-Efficient Operation: Energy Star 8 certified, consuming only 44.6 W (typical) for sustainable 24/7 use.

Specifications

Screen Size	43 in
Display Area (W × H)	941.2 × 529.4 mm
Resolution	3840 × 2160 (4K UHD)
Panel Type	TFT LCD module with DLED backlight
Brightness	500 nits
Contrast Ratio	1200:1 (typ.) / 2000:1 (DCR)
Response Time	6.5 ms
Viewing Angle	H = 178° / V = 178°
Backlight Life	50,000 hours
Surface Treatment	3H hardness, anti-glare coating, haze 25%
Orientation	Landscape & Portrait
Processor	Quad-Core ARM Cortex-A73
RAM / Storage	8 GB DDR4 / 32 GB eMMC
Embedded OS	Android 14 (AOSP), upgradeable to Android 16
Connectivity (Inputs)	HDMI × 3 (2.0, ARC), USB-A × 2 (USB2.0 ×1, USB3.2 Gen1 ×1), USB-C × 1 (PD 65 W + DP1.2 + data), Audio In (3.5 mm), RS232, LAN-in
Connectivity (Outputs)	HDMI × 1, SPDIF × 1, Audio Out (3.5 mm), LAN-out
Speakers	16 W × 2
Power Supply	100–240 V AC ±10 %, 50 / 60 Hz
Power Consumption	44.6 W (typical, Energy Star 8.0)
Operating Conditions	0–40 °C, 20–80% RH (non-condensing)
Operating Hours	24 / 7
Mounting	VESA 200 × 200 mm
Dimensions (W × H × D)	964.6 × 552.5 × 62 mm
Weight	9.1 kg (net)
Certifications	Energy Star 8.0, EPEAT Gold, CE, FCC, RoHS, REACH, ErP-Eco
Standard Accessories	Power cable, HDMI cable (3 m), remote control, RS232 adapter, wall mount screws, batteries, Quick Start Guide

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.