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CXEX-AU100 HDMI eARC / ARC Audio Extender – 100m Audio over Ethernet with PoE

  • eARC / ARC Audio Extension up to 100m
    Transmits HDMI eARC or ARC audio signals up to 100 meters (330ft) over a standard Ethernet cable.

  • Audio-Only Transmission
    Designed specifically for high-quality audio transfer without video, ensuring stable and efficient signal delivery.

  • Bi-Directional PoE (Power over Ethernet)
    Allows the transmitter or receiver to power the system, simplifying installation and reducing the need for additional power adapters.

  • Bi-Directional IR & RS232 Control
    Enables remote device control and seamless integration with professional AV and automation systems.

  • Compact Aluminum Housing
    Durable and space-saving aluminum design suitable for professional AV installations.

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Product Description

The CXEX-AU100 HDMI eARC / ARC Audio Extender provides reliable long-distance transmission of HDMI audio signals over Ethernet cables. Supporting eARC and ARC audio formats, it allows high-quality sound to be extended up to 100 meters (330ft) between devices such as TVs, soundbars, AV receivers, and audio processors.

Unlike traditional HDMI extenders, the CXEX-AU100 focuses exclusively on audio transmission, ensuring stable and interference-free audio delivery without unnecessary video processing. The system supports bi-directional PoE, allowing power to be supplied from either the transmitter or receiver, simplifying installation and reducing cable clutter.

With integrated IR and RS232 control capabilities, the extender can easily integrate into professional AV systems, conference rooms, home theaters, and commercial audio installations where long-distance audio distribution is required.

Specifications

Model CXEX-AU100 (EXAU100)
Audio Format HDMI eARC / ARC
Transmission Distance Up to 100m (330ft)
Transmission Type Audio over Ethernet
Video Support No (Audio Only)
PoE Bi-directional
Control IR & RS232
Housing Aluminum

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.