Bluefin 55" Thin Bezel Flex-OS 4K UHD LCD Display with BrightSign XS156, 800 Nits (20-3018-0004X)

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BluefinSKU: 20-3018-0004X
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Need this as part of a larger AV project? AVENDOR can help with sourcing, installation, support, and monthly payment options

Description

The Bluefin 55" Thin Bezel Flex-OS 4K UHD Display is engineered for high-impact digital signage and commercial AV deployments that demand performance, flexibility, and reliability. Featuring a stunning 3840 x 2160 resolution and 800 nits of brightness, this display delivers sharp visuals and vibrant color reproduction in a sleek, modern form factor.

Powered by Flex-OS with integrated BrightSign XS156 compatibility, this display enables seamless content management and playback without the need for external media players. Its robust connectivity options, including HDMI, LAN, USB, and GPIO, make it ideal for a wide range of applications such as retail signage, corporate communications, and interactive environments.

Designed for 24/7 operation, the durable flat-panel LCD includes a thin bezel for clean multi-display setups and supports VESA mounting for easy installation. With reliable network connectivity and versatile interface support, this display is built to scale with your digital signage needs.

Specification Details
Brand Bluefin
Model 55" Flex-OS
Screen Size 55 Inch
Display Type LCD
Resolution 3840 x 2160 (4K Ultra HD)
Brightness 800 nits
Contrast Ratio 1200:1
Aspect Ratio 16:9
Viewing Angle 89° / 89°
Panel Type Flat
Operating System Flex-OS
Built-In Player Support BrightSign XS156 Compatible
Video Inputs HDMI
Interfaces HDMI-In, Micro-SD, USB 2.0, Phoenix GPIO (4-pin Bi-Directional), RS232 (3.5mm), RJ45 Ethernet, 3.5mm Audio Out
Network Connectivity LAN (RJ45 Ethernet)
Audio Output 3.5mm Analog/Digital Audio Out
VESA Mount Compatibility 400 x 300 mm
Bezel Design Thin Bezel
Orientation Landscape / Portrait Supported
Use Case Digital Signage, Commercial Displays, Corporate AV
UNSPSC Code 43211902

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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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275+
Projects Delivered
<2h
Avg Response Time
99.9%
System Uptime
10+
Years in AV
Complete AV Solutions

Building a Complete AV System?

This product is rarely deployed alone. It's typically part of a fully integrated AV system. AVENDOR designs, integrates, and supports end-to-end environments — from single rooms to enterprise-wide deployments.

System Design & Engineering
Installation & Integration
Programming & Ongoing Support

Trusted by enterprises, universities, and government organizations across the U.S.

Our Process

From Scope to Sign-Off

A structured delivery process designed to reduce risk and keep projects moving.

01

Plan

Discovery, site review, requirements gathering, and project alignment. We define scope, constraints, and success criteria before any design work begins.

  • Discovery calls & stakeholder interviews
  • On-site survey & infrastructure review
  • Requirements & use-case documentation
  • Project scope, timeline & milestone alignment
02

Engineer

System design, schematics, signal flow, BOM development, and documentation. Every project leaves this phase with a complete engineering package.

  • AV system design & signal flow diagrams
  • Equipment selection & BOM development
  • Rack layout & control system design
  • As-built documentation package
03

Deploy

Procurement, logistics, installation, programming, commissioning, and training. We own the delivery from first shipment to final handoff.

  • Authorized procurement & logistics coordination
  • Physical installation & cable management
  • Control system programming & configuration
  • Commissioning, testing & end-user training
04

Support

Monitoring, maintenance, lifecycle planning, and long-term service agreements. We stay engaged long after project close.

  • 24/7 remote system monitoring
  • Preventive & reactive maintenance
  • Technology lifecycle & refresh planning
  • Long-term service level agreements

A decade of delivery — trusted by 275+ clients across industries