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CXSW-21HA21 2×1 HDMI 2.1 Switch with Audio Extractor – 8K@60Hz / 4K@120Hz

  • 2 HDMI Inputs / 1 Output
    Connect two HDMI source devices and switch between them on a single display.

  • HDMI 2.1 High-Speed Performance
    Supports next-generation 8K@60Hz and 4K@120Hz video output.

  • HDR & Dolby Vision Support
    Provides enhanced contrast, color depth, and visual clarity.

  • Dolby Atmos Audio Compatibility
    Supports advanced high-definition audio formats for immersive sound.

  • Audio Extraction Function
    Built-in SPDIF optical audio output allows connection to external speakers, amplifiers, or sound systems.

  • ARC & CEC Pass-Through
    Enables simplified device control and audio return channel support.

  • Deep Color & 3D Support
    Compatible with 24-bit, 30-bit, and 36-bit deep color and 3D video formats.

  • Multi-Device Compatibility
    Works with devices such as PS5, Blu-ray players, streaming boxes, and set-top boxes.

  • Stable External Power Supply
    Requires 5V / 2A power adapter for consistent performance.

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Product Description

The CXSW-21HA21 HDMI 2.1 Switch with Audio Extractor is designed for modern home entertainment systems that require high-resolution video switching and flexible audio output. Supporting HDMI 2.1 with resolutions up to 8K@60Hz and 4K@120Hz, it delivers smooth motion and exceptional image clarity for gaming consoles and high-end displays.

The integrated SPDIF optical audio output allows digital audio to be routed directly to external sound systems while maintaining full video quality on the display. With support for HDR, Dolby Vision, Dolby Atmos, and deep color formats, the device ensures immersive audiovisual performance.

Ideal for connecting devices such as PS5, Blu-ray players, streaming devices, and set-top boxes, the CXSW-21HA21 provides reliable switching and audio extraction for advanced multimedia environments.

Specifications

Model CXSW-21HA21 (SW21HA21)
Inputs / Output 2 In / 1 Out
HDMI Version HDMI 2.1
Max Resolution 8K@60Hz / 4K@120Hz
HDR Support HDR, Dolby Vision
Audio Output SPDIF Optical
ARC / CEC Supported
Color Depth 24 / 30 / 36-bit
Power 5V / 2A Adapter

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.