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CXSW-41H21A-EO 4×1 HDMI 2.1 Switch with eARC/ARC & Audio Extractor – 8K@60Hz / 4K@120Hz

  • 4 HDMI Inputs / 1 Output
    Connect up to four HDMI 2.1 source devices to a single display with seamless switching.

  • High-Speed 40Gbps Bandwidth
    Designed for next-generation 8K and high-frame-rate 4K transmission.

  • 8K@60Hz / 4K@120Hz (4:4:4)
    Delivers ultra-high-definition clarity and smooth performance for gaming and home theater setups.

  • HDR & Dolby Vision Support
    Compatible with HDR10, Dolby Vision, and 3D video formats.

  • HDCP 2.3 Compliant
    Ensures secure compatibility with protected 8K and 4K content.

  • eARC / ARC Pass-Through (Soundbar Support)
    Enables high-quality audio return to soundbars and AV receivers, including Sonos systems.

  • 3.5mm Audio Output & Audio Extraction
    Extract stereo audio independently for connection to external speakers or amplifiers.

  • CEC Support
    Allows simplified HDMI device control across connected components.

  • EDID Management
    Ensures stable compatibility between source devices and display systems.

  • Auto Switching & IR Remote Control
    Automatically detects active inputs or switch manually via remote.

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Product Description

The CXSW-41H21A-EO 4×1 HDMI 2.1 Switch is designed for advanced entertainment and gaming environments requiring high-resolution video switching with enhanced audio flexibility. Supporting up to 40Gbps bandwidth, it delivers true 8K@60Hz and 4K@120Hz output, ideal for PS5, Xbox, NVIDIA graphics systems, and premium 8K displays.

With integrated eARC/ARC support, the unit allows direct connection to soundbars and AV receivers for immersive Dolby Digital and Atmos-compatible setups. The built-in 3.5mm audio output enables additional stereo audio extraction for flexible installation scenarios.

Featuring HDR10, Dolby Vision, HDCP 2.3 compliance, EDID management, and automatic switching, the CXSW-41H21A-EO provides a reliable and future-ready solution for modern AV systems.

Specifications

Model CXSW-41H21A-EO (SW41H21A-EO)
Inputs / Output 4 In / 1 Out
HDMI Version HDMI 2.1
Bandwidth Up to 40Gbps
Max Resolution 8K@60Hz / 4K@120Hz
HDR Support HDR10, Dolby Vision
HDCP HDCP 2.3
ARC / eARC / CEC Supported
Audio Output eARC + 3.5mm Stereo
Control IR Remote & Auto Switch

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.