Ultra-Fast 8x8 HDMI Matrix Switcher with 4K/60Hz

Cross-Switch eight HDMI sources to eight 4K displays with HDCP2.2
MPN: HDMX88-18G  UPC: 813982021396


The KanexPro HDMX88-4K is a professional 8-input, 8-output HDMI matrix featuring HDCP 2.2 with the latest HDMI 2.0 specifications supporting ultra HD resolutions up to 4K @60Hz. This matrix switcher supports switching speeds to less then 0.2 seconds and also provides 8-additional audio ports via S/PDIF connectors to support audio de-embedding from HDMI. It can be fully controlled via RS-232, IR and Web based GUI using Ethernet where end-users can switch, control and manage the matrix using graphical and visual indicators right from the computer or touch-panel.

Industry Standard HDCP 2.2 & 4K

HDCP 2.2 authentication is present at all times on this matrix ensuring proper handshake of the protected content. It also maintains resolutions up to 4K- 4096x2160@30, 50 or 60Hz, 3840x2160@24, 25,30, 50 or 60Hz and 2560x1080@60Hz displaying 21:9 aspect ratios. 1920 x 1200 or full HD 1080p/60 is a standard for all our matrix switchers.


The KanexPro HDMX88-4K matrix switcher is ideal for numerous commercial applications such as military, medical and government audio-video environments, where swift, reliable switching and distribution of high-resolution HDMI signal is critical to meet pixel-by-pixel needs.


  • Cross-switch 8HDMI inputs to 8 HDMI outputs with 4K @60Hz
  • Eight independent S/PDIF audio for Audio De-embedding from HDMI
  • Distribute 4Kx2K@60Hz signal up to 5m via HDMI port 
  • Supports standard 1080p & WUXGA resolutions up to 2560x1080@60Hz
  • HDCP 2.2 Compliant
  • Smart EDID DIP switch for proper display output
  • Supports latest High Speed HDMI Specifications
  • Supports Dolby Digital, DTS, DTS-HD
  • Control thru front-panel keys, IR, RS-232 & Web based GUI
  • Front-panel LCD screen provides real-time I/O connection status
  • Expedient firmware upgrade thru Micro USB port
  • 1U (19") rack mountable aluminum enclosure
  • Universal RS-232 code compatible with any 3rd party control systems
  • Locking HDMI & Power supply
  • Internal Universal power for worldwide compatibility



Video Input


Video Output

Input 8 HDMI Output 8 HDMI
Input Connector Female Type-A HDMI  Output Connector

Female Type-A HDMI

8 x SPDIF RCA connector

Input Level T.M.D.S. 2.9V/3.3V Output Level T.M.D.S. 2.9V/3.3V
Input Impedence  75Ω Output Impedence 75Ω

Video General

Gain 0 dB Bandwidth 18 Gbps
Video Signal HDMI Maximum Pixel Clock 165MHz
Supported Resolutions


4096x2160 (30,50,60 Hz), 3840x2160 (24,25,30 50 60 Hz)


2560x1080 (60Hz)


1920x1080(1080P 3D), 1600x900, 1366x768, 1280x720, 1024x576 (60Hz)


1920x1200, 1680x1050, 1440x900, 1360x768, 1280x800 (60Hz)


1600x1200, 1400x1050, 1280x1204, 1024x768, 800x600, 640x480 (60Hz)

Switching Speed 200ns (Max.) 0-2 seconds
Consumer Electronics Control (CEC) Supports CEC via infrared data pass-through
EDID and DDC Management Built-in EDID data and manual management via DIP Switch and Display Data Channel (DDC) data using DVI and HDMI standards, EDID and DDC signals are actively bufferred.The built-in EDID/DDC database can analyze these two signals, mix them, and realize the handshake internally.
HDCP Management Compliant with High-bandwidth Digital Content Protection (HDCP 2.2) using HDMI 2.0 standards. The built-in HDCP management technology can analyze HDCP key authenticaltion, and realize handshake internally.

Audio General

Digital Audio Output

Supports HDMI audio transmitted through the RGB and Y, Cr, Cb lines, actively buffered

Supports De-embedded SPDIF audio via digital coaxial output 

Control Parts

Serial Control Port RS-232, 9-pin female D connector  Pin Configurations 2 = TX, 3 = RX, 5 = GND
IR Remote  Default IR remote Front Panel Control  Buttons
Ethernet (RJ-45) TCP/IP control by KanexPro TCPRS2 Ethernet Controller & Web Based GUI


Power Supply DC 24V, 25A Power Consumption

Full load: 32W

Standby: 2.2W

Temperature -20 ~ +70? Humidity 10% ~ 90%
Case Dimension W19 x H1.73 x D9.25 in.
(1U high, full rack wide)
Product Weight 4.32 lbs



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