CH8830K_B


4K 8×9 HDMI Matrix Switch

Supports Audio Separation Output, Triple RS-232, TCP/IP, and Mobile App Control


Products / Matrix Switch

4K @ 30Hz Resolution

Supports a resolution of 3840 × 2160 @ 30Hz.

Mobile App Control

Supports remote control via Android and iOS mobile apps.

EDID Configuration

Independent EDID Configuration for Each Port.

Audio Output

Supports independent audio output via 3.5mm jack.

Triple RS-232 Control

Enables control of downstream devices via the matrix switcher's RS-232 ports.

Web UI Control

Supports TCP/IP connectivity, enabling remote operation via Web UI accessed through a browser.

Intuitive 2-Button Switching

Streamlined button switching mode: simply press the input and output numbers to complete the switching operation.

4K 8×9 Matrix Switch
Features
  • Full-featured 8-input 9-output 4K HDMI digital audio and video matrix switcher.
  • Supports flexible switching for each channel: 1-input-to-1-output, 1-input-to-multiple-outputs, or cross-output selection.
  • Supports 4K × 2K @ 30Hz, 1080P @ 60Hz, and 1080P 3D @ 60Hz.
  • Supports Deep Color at 48/36/30/24-bit depths.
  • Supports independent audio output for the 1st HDMI output port.
  • Features manual independent EDID configuration for each port.
  • Supports transmission of LPCM 7.1CH, Dolby TrueHD, Dolby Digital, and DTS-HD Master Audio.
  • 2-button control method: the first press selects the input device, the second press selects the output port, with support for quick cancellation of the selected port.
  • Control methods: Front-panel buttons, remote control, triple RS-232 ports, Web UI, and mobile/tablet apps (iOS/Android).
  • Allows storage of up to 8 custom scene presets, enabling quick recall of saved configurations without manual one-by-one switching.
  • Equipped with broadcast-grade switching chips, enabling seamless image switching via a single chip for higher switching efficiency.
  • Web-based control interface available in both Chinese and English.
  • Compatible with 19-inch rack mounting.
CH4432 5×4 Matrix Video Wall Processor

Specifications

Model Name CH8830K_B
Input 8×HDMI
Output 9×HDMI, 1×3.5mm Audio Jack
Supported Resolutions Maximum resolution: 3840×2160 @ 30Hz, backward compatible with lower resolutions.
ESD Protection Human Body Discharge Mode: ±8kV (air-gap discharge), ±4kV (contact discharge)
Control Interfaces 2×RS-232 Male Ports, 1×RS-232 Female Port, 1×RJ-45 Port (TCP/IP)
Maximum Video Transmission Distance Up to 5 meters for both input and output via standard HDMI cables (use an extender for distances exceeding this limit)
Control Methods Front-panel buttons, remote control, triple RS-232 ports, Web UI, iOS/Android mobile apps
Power DC 12V / 2A
Dimensions 440×150×44mm (L×W×H)
Weight 2 kg

Notes:

  • Use certified 4K HDMI cables for signal connections.
  • It is not recommended to cascade uncertified switchers, splitters, converters, or other such devices.
  • For consistent performance and stability, use the original certified power adapter.
  • For shipping safety compliance, batteries for the remote control are not included.
  • Please consult us before using this device with other equipment to avoid compatibility issues.
  • The combined length of input and output HDMI cables should not exceed 10 meters; for longer distances, we recommend using optical HDMI cables.

Package Contents

  • 1×CH8830K_B Matrix Switch Unit
  • 1×12V 2A Power Adapter
  • 1×Remote Control (Batteries not included)
  • 1×User Manual