HDMI eARC w/ SPDIF Audio over CAT Extender 100m POC

Long-Range ARC Audio Transmission Over a Single CAT6 Cable

KanexPro

SKU: AUD-EXT-EARC100M

UPC: 813982023956

$299.95
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The KanexPro AUD-EXT-EARC100M is a compact HDMI audio extender that transmits both eARC (Audio Return Channel) and S/PDIF optical digital audio up to 100 meters (328 feet) over a single CAT5e/6/7 cable. It’s designed for sending high-quality TV audio—whether through HDMI eARC or S/PDIF—from a display back to an amplifier, AVR, or distributed audio system. 

This plug-and-play extender supports leading formats including Dolby TrueHD, Dolby Atmos, DTS-HD Master Audio, and LPCM up to 7.1 channels. The extender features CEC pass-through in eARC mode and provides full bi-directional Power over Cable (PoC), making it a clean and efficient solution for home AV, commercial AV, and multi-room audio environments. 

  ?  Extends HDMI ARC/eARC or S/PDIF Optical audio up to 100?m (328?ft) over CAT cable 
?  Supports Dolby Atmos, Dolby TrueHD, DTS-HD MA, LPCM 7.1 
?  S/PDIF channel supports PCM 2.0, Dolby 5.1, DTS 5.1 
?  ARC supports full CEC pass-through 
?  Automatic mode selection via DIP switch 
?  Power over Cable (PoC) – only one side needs external power 
?  Compact, easy-to-integrate TX/RX kit 
?  Ideal for TVs with or without HDMI ARC support 

Supported Audio Formats  

eARC: PCM 2.0/5.1/7.1ch, DD, DD+, DTS, Dolby TrueHD, DTS-HD MA, Dolby Atmos 

 

ARC: PCM 2.0CH, Dolby 5.1CH, DTS 5.1CH 

 

S/PDIF: PCM 2.0CH, Dolby 5.1CH, DTS 5.1CH 

Transmission Distance 

100m/328ft 

ESD Protection 

Human-body Model: ±8kV (Air-gap discharge), 

±4kV (Contact discharge) 

Transmitter 

Input: 1 x S/PDIF IN [Optical Audio Jack] 

Output: 1 x eARC IN [HDMI Type A, 19-pin female] 

             1 x CAT OUT [RJ45, female] 

Control: 1 × SERVICE 

Receiver 

Input: 1x CAT IN [RJ45, female] 

Output: 1 x S/PDIF OUT [Optical Audio Jack] 

             1 x eARC OUT [HDMI Type A, 19-pin female] 

Control: 1 SERVICE 

Housing 

Metal Enclosure 

Colour 

Black 

Dimensions 

Transmitter/Receiver: 90mm (W) × 72mm (D) × 20mm (H) 

Weight 

Transmitter/Receiver: 184g 

Power Supply 

Input: AC 100~240V 50/60Hz 
Output: DC 12V/1A (US/EU standard, CE/FCC/UL certified) 

Power Consumption 

5.65W (Max) 

Operation Temperature 

0°C ~ 40°C / 32°F ~ 104°F 

Storage Temperature 

-20°C ~ 60°C / -4°F ~ 140°F 

Relative Humidity 

20 -90% RH (no condensation) 

 

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