Home » Huidu HD-A4L LED Sending Box – LAN & Cloud Publishing Controller, 650K Pixel Capacity | For Commercial LED Displays
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Huidu HD-A4L LED Sending Box – LAN & Cloud Publishing Controller, 650K Pixel Capacity | For Commercial LED Displays

In stock
SKU: PL-PKZQ01-HD-HD-A4L
$158.85
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Huidu HD-A4L LED Sending Box with LAN & Cloud Publishing

Positioned as a network-based LED sending controller, the Huidu HD-A4L enables centralized content publishing and stable signal distribution for commercial LED display systems. With HDMI input and high-speed Ethernet output, it supports cloud-managed playback and multi-terminal control for installations that require flexible scheduling and remote content management.

Packing Details

Version Package Included
HD-A4L 1 × HD-A4L Controller
1 × Power Cable
1 × User Manual

About this item

  • LED sending box designed for networked and cloud-managed display systems.
  • Supports HDMI signal input and Ethernet-based LED data output.
  • Provides asynchronous and synchronous playback modes for flexible content control.
  • Enables multi-terminal management through cloud publishing platforms.
  • Compact enclosure with passive cooling for stable continuous operation.
  • Suitable for fixed commercial LED installations and distributed display networks.

Key Specifications

  • Input interface: 1 × HDMI
  • Output interface: 1000 Mbps Ethernet
  • Maximum loading capacity: 655,360 pixels
  • Maximum screen width: 16,384 pixels
  • Control methods: USB, Wi-Fi (5 GHz + 2.4 GHz), cloud-based control
  • Power supply: DC input (adapter included)

Installation Tips

  • Power Off First: Always switch off the LED display system before installing or removing the sender box to prevent damage.

  • Use Shielded Network Cables: Ensure stable, interference-free signal transmission for consistent display performance.

  • Maintain Adequate Ventilation: Keep proper airflow inside the LED cabinet to guarantee long-term reliable operation.

  • Anti-Static Precautions: Avoid static discharge; always use anti-static protection when handling the sender box.

Shipping Information

  • Lead Time: In-stock products ship within 1–3 business days.

  • Packaging: Safe packaging with foam padding to ensure safe transport.

  • Shipping Origin: All products ship directly from our warehouse.

  • Standard Shipping: 9–18 days | Express Shipping: 5–9 days.

  • Shipping Costs: Calculated based on cart weight, dimensions, and destination.

Technical Specifications

Specification Value
Model HD-A4L
Loading capacity 655,360 pixels
Maximum width 16,384 pixels
Internal memory 16 GB
External expansion Up to 128 GB
Video decoding 4K hard decoding
LAN 1000 Mbps
Wi-Fi control 5 GHz + 2.4 GHz
USB playback Supported
Cloud management Supported
External sensor 2 channels

Applications

  • Cabinet-based LED display systems for fixed installations
  • Receiving control for rental LED screen cabinets
  • Commercial LED display projects for information and advertising
  • LED screen control solutions for exhibitions, events, and conference venues