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CXEX-11HA21-EO 8K HDMI 2.1 Audio Extractor with eARC/ARC & 4×1 Switching

  • 4 HDMI Inputs / 2 Outputs (Switch + Extractor)
    Switch between four HDMI 2.1 sources with dual HDMI outputs for display and audio system integration.

  • HDMI 2.1 Performance – Up to 4K@120Hz / 8K@60Hz
    Supports high-frame-rate gaming and ultra-high-resolution video formats.

  • HDCP 2.3 Compliant
    Fully compatible with protected 8K and 4K premium content.

  • Dolby Vision, HDR, VRR & ALLM Support
    Optimized for next-generation gaming consoles such as PS5 with smooth, low-latency performance.

  • eARC / ARC Audio Extraction
    HDMI OUT2 supports eARC/ARC for direct connection to soundbars or AV receivers, including Sonos systems.

  • Dolby Atmos & Advanced Audio Formats
    Pass-through support for Dolby Atmos and other high-definition audio formats.

  • HDMI OUT1 CEC Pass-Through
    Allows HDMI-CEC device control through the main display output.

  • EDID Management
    Multiple EDID settings ensure stable compatibility between source and display devices.

  • Deep Color & 3D Support
    Supports 30-bit and 36-bit deep color, 3D formats, and legacy Blu-ray / HD-DVD standards.

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

  • Plug & Play Installation
    No drivers required; quick and easy setup.

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Product Description

The CXEX-11HA21-EO 8K HDMI Audio Extractor & Switch is designed for advanced home theater and gaming environments requiring high-resolution video switching with premium audio extraction. Supporting HDMI 2.1 up to 8K@60Hz and 4K@120Hz, it delivers smooth motion and exceptional image clarity.

With integrated eARC/ARC support, the unit allows direct audio transmission to soundbars or AV receivers, including Dolby Atmos-compatible systems. HDMI OUT1 supports CEC pass-through, ensuring streamlined device control.

Featuring support for Dolby Vision, VRR, ALLM, HDR, and HDCP 2.3, this extractor is ideal for next-generation consoles such as PS5 and high-end 8K displays. Multiple EDID management options ensure stable device communication, while signal retiming guarantees consistent performance without quality loss.

Compact, reliable, and future-ready, the CXEX-11HA21-EO provides professional-grade switching and audio extraction in a single integrated solution.

Specifications

Model CXEX-11HA21-EO (EX11HA21-EO)
Inputs / Outputs 4 In / 2 Out
HDMI Version HDMI 2.1
Max Resolution 8K@60Hz / 4K@120Hz
HDCP HDCP 2.3
eARC / ARC Supported (OUT2)
CEC Pass-through (OUT1)
HDR / VRR / ALLM Supported
Audio Formats Dolby Atmos, HD Audio
EDID Management Supported
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.