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CXMX-88HA21 8×8 HDMI 2.1 Matrix Switch – 8K@60Hz / 4K@120Hz HDR

  • 8 Inputs / 8 Outputs True Matrix
    Distributes eight HDMI source devices independently to eight HDMI displays.

  • HDMI 2.1 Technology
    Supports advanced 8K and high-frame-rate 4K performance.

  • 8K & 4K Multi-Resolution Support

    • 8K@60Hz (4:2:0)

    • 8K@30Hz (4:4:4)

    • 4K@120Hz

    • Simultaneous 8K / 4K / 1080p output support

  • HDR & Dolby Vision
    Compatible with HDR10 and Dolby Vision for enhanced color depth and dynamic contrast.

  • HDCP 2.2 Compliant
    Ensures compatibility with protected premium content sources.

  • Advanced Audio Pass-Through
    Supports DTS-HD, Dolby TrueHD, LPCM 7.1, DTS, Dolby AC3, DSD, Dolby Atmos, and other HDMI audio formats.

  • Multiple Control Methods
    Control via front panel buttons, IR remote, RS232, or IP (network) control.

  • Signal Retiming Technology
    Maintains signal integrity with no loss in video or audio quality.

  • Plug & Play Installation
    No drivers required. Quick installation for professional AV environments.

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Product Description

The CXMX-88HA21 8×8 HDMI 2.1 Matrix Switch is a high-performance AV distribution solution designed for demanding professional installations. It allows eight HDMI sources to be routed independently to eight displays, delivering maximum flexibility in control rooms, broadcast systems, digital signage networks, and luxury home theaters.

Built on HDMI 2.1 architecture, the matrix supports 8K@60Hz and 4K@120Hz, ensuring ultra-high resolution and smooth motion performance. It also allows mixed-resolution output configurations, enabling simultaneous 8K, 4K, and 1080p displays within the same system.

With full HDR10 and Dolby Vision compatibility, along with support for premium digital audio formats including Dolby Atmos and DTS-HD, the CXMX-88HA21 delivers uncompromised audiovisual performance.

Advanced control options including RS232 and IP control make it ideal for integration into automation systems. Signal retiming technology ensures stable transmission and flawless image quality across all outputs.

Engineered for reliability and scalability, this matrix switch is the ideal solution for next-generation 8K AV distribution.

Specifications

Model CXMX-88HA21 (MX88HA21)
Inputs / Outputs 8 In / 8 Out
HDMI Version HDMI 2.1
Max Resolution 8K@60Hz / 4K@120Hz
HDR Support HDR10, Dolby Vision
HDCP HDCP 2.2
Audio Support Dolby Atmos, DTS-HD, TrueHD, LPCM 7.1
Control Remote, Panel, RS232, IP
Installation Plug & Play

FAQ

Most frequent questions and answers

ExtendHD solutions work seamlessly with TVs, projectors, monitors, sound systems, and most standard HDMI-enabled devices.

No. Most ExtendHD products are plug-and-play. Advanced units may offer optional PC-based control for customization.

Absolutely. Our products are designed for professional-grade performance, suitable for offices, retail, classrooms, and home theaters.

Depending on the model, our HDMI extenders support distances up to 100 meters using CAT6/7 cables.

We offer dedicated customer support, user manuals, and setup assistance to ensure smooth installation and usage.

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ExtendHD delivers premium AV solutions—designed for seamless connectivity, professional performance, and reliable signal distribution across any environment.