CH4420K_B


4K @60Hz 4x4 HDMI 2.0 Matrix Switcher

Supports RS-232 Control with Independent L/R and SPDIF Audio Output


Products / Matrix Switchers

CH4420K_B HDMI Matrix Front View
Key Features
  • True 4x4 matrix switching for Ultra HD HDMI audio and video signals.
  • Flexible routing: Connect any input to any output, or broadcast one input to multiple displays simultaneously.
  • Advanced Video Support: 4K@60Hz (YUV 4:4:4), 18Gbps Bandwidth, HDR & HLG.
  • Intelligent Power-Off Memory: Automatically restores your previous routing settings upon reboot.
  • Supports 16 manual EDID presets for optimized device synchronization.
  • Fully compliant with HDMI 2.0 and HDCP 2.2 standards.
  • Smart Down-scaling: Each output supports 4K to 1080P conversion, allowing mixed-resolution display setups.
  • Comprehensive audio management: Supports both audio embedding and independent audio extraction.
  • Professional control options: Front-panel buttons, IR remote, and RS-232 serial integration.
  • Dedicated hardware power switch for safe and easy operation.
  • Robust Reliability: Features built-in anti-static protection for all inputs and outputs.
4K HDMI Technology

Technical Specifications

Model Name
CH4420K_B
Input Interface 4 x HDMI Type A, 1 x L/R Analog Audio
Output Interface 4 x HDMI Type A, 1 x L/R Analog Audio, 1 x SPDIF (Optical)
Supported Resolution Up to 3840x2160 @60Hz (4:4:4), backward compatible with 1080p/720p.
Video Bandwidth Up to 18Gbps
RS-232 Control 9-pin DB9 Female connector
Standards & Protocols HDMI 2.0, HDCP 2.2
Transmission Distance Supports up to 5m via standard 4K HDMI cable. Active/Optical cables recommended for longer runs.
Control Methods Front-panel Buttons, IR Remote Control, RS-232 Commands
Power Consumption Max 5W
Power Supply AC 110V-240V 50/60Hz; DC 12V / 1.5A Output
Dimensions 280 x 117.5 x 44mm (L x W x H)
Weight 940g

Usage Notes

  • Use high-quality certified 4K HDMI cables to ensure signal integrity.
  • Avoid daisy-chaining multiple uncertified switchers or splitters to prevent signal degradation.
  • To maintain stability, please use only the provided original power adapter.
  • Due to shipping safety regulations, the battery for the remote control is not included.
  • For integration with specialized AV equipment, please consult our technical team for compatibility advice.
  • Standard passive cable runs (Input + Output) should not exceed 10m. Use optical HDMI cables for extended distances.

Package Contents

  • 1 x CH4420K_B Matrix Switcher
  • 1 x 12V / 1.5A Power Adapter
  • 1 x IR Remote Control (Battery not included)
  • 1 x User Manual