GF-EXT-HDe-HBT3

HDMI eARC Extender

The HDMI eArc Extender offers uncompressed 4K60 HDMI video, ARC, and audio passthrough over HDBaseT 3.0 for full eARC system integration.

Available for Pre-Order

Description

GF-EXT-HDe-HBT3 – HDMI eARC Extender

Seamless Audio and Video Transmission with an HDMI eARC Extender

The Gefen GF-EXT-HDe-HBT3 is a professional-grade HDMI eARC extender engineered for demanding AV environments. It delivers uncompressed 4K60 4:4:4 HDR video and full eARC/ARC audio capabilities over a single CAT6A cable. Built on HDBaseT 3.0, this extender enables long-distance, high-performance connectivity with outstanding reliability and clarity.

Whether deployed in conference rooms, control centers, or media-rich classrooms, the GF-EXT-HDe-HBT3 ensures pristine signal quality up to 100 meters (328 feet) without compression or loss. Its ability to maintain full fidelity for both video and return audio signals makes it a critical solution for AV professionals who demand performance and simplicity. This HDMI eARC extender is the ideal tool for unified AV signal distribution.

Powerful Features Designed for Integration

This HDMI extender supports a range of essential features that simplify system design and deployment. With resolutions up to 4K@60Hz 4:4:4, HDR10, Dolby Vision, and deep color, it delivers exceptional video performance. The integrated eARC and ARC functionality enables audio return from compatible displays to soundbars or AV receivers—perfect for today’s commercial installations.

The loop-out HDMI port allows for local monitoring at the transmitter side, providing a secondary video output without needing a separate splitter. Additionally, the extender supports digital audio de-embedding via Toslink and analog L/R output, expanding its utility across complex AV projects.

Built-in EDID management ensures seamless display compatibility during installation, while HDCP 2.3 compliance guarantees protected content playback. This HDMI eARC extender also supports IR passthrough and has PoC for simple one-sided power supply.

Built for Reliability and Simplicity

Gefen prioritizes performance and reliability in every solution. The GF-EXT-HDe-HBT3 includes robust ESD protection, bi-directional IR passthrough, and compact housing designed for real-world environments. With Power over Cable (PoC), it reduces installation complexity by powering both units from a single endpoint.

This eARC extension solution is rack-mountable, features intuitive front-facing status LEDs, and is easy to configure. Whether used in corporate, education, or entertainment environments, the GF-EXT-HDe-HBT3 provides reliable long-distance AV transmission. As a next-generation HDMI eARC extender, it redefines dependable signal extension with unmatched precision and simplicity.

Features

  • Extends HDMI 2.0b 4K60 4:4:4 video, eARC/ARC, Optical Audio, IR, RS-232, and Ethernet up to 100 meters (328 feet) over a single CAT6a cable.
  • Supports major HDR formats: HDR10, HDR10+, Dolby Vision, and HLG.
  • Uncompressed video transmission with HDCP 2.3/2.2/1.x support.
  • Integrated HDMI Loop-Out with 4K-to-1080p downscaler at Transmitter.
  • Flexible Audio Return Paths: eARC, ARC, Optical Audio Return, and Optical Audio De-embedding (PCM 2CH).
  • DIP-switch selectable audio routing modes.
  • Bi-directional IR pass-through and RS-232 pass-through for complete control integration.
  • Power over Cable (PoC) – only one power supply needed for both TX and RX.
  • Intuitive LED indicators for Power, Link, Video, and eARC status.
  • Eco-conscious packaging (RoHS, REACH, Prop 65 compliant).

Specifications

Video Performance:

  • HDMI 2.0b Compliant
  • Up to 3840×2160@60Hz 4:4:4 8-bit
  • HDCP 2.3/2.2/1.x Compliant
  • Supports HDR10, HDR10+, Dolby Vision, HLG

Audio Performance:

  • eARC/ARC Pass-through
  • Optical Audio Return (S/PDIF, up to 5.1ch)
  • Optical De-embed (PCM 2CH only)
  • Audio Formats Supported: Dolby Atmos®, Dolby TrueHD, DTS:X™, DTS-HD Master Audio™

Connections (Transmitter – TX):

  • (1) HDMI Input (Type A)
  • (1) HDMI Loop-Out (Type A with downscaler)
  • (1) Optical In
  • (1) IR In (3.5mm jack)
  • (1) IR Out (3.5mm jack)
  • (1) RS-232 (3-pin Phoenix)
  • (1) HDBaseT Output (RJ-45, PoC enabled)
  • (1) Ethernet Port (RJ-45)
  • (1) 12V DC Power Input
  • (1) USB-C Port (Firmware update)

Connections (Receiver – RX):

  • (1) HDMI Output (Type A)
  • (1) Optical Out
  • (1) IR In (3.5mm jack)
  • (1) IR Out (3.5mm jack)
  • (1) RS-232 (3-pin Phoenix)
  • (1) HDBaseT Input (RJ-45, PoC enabled)
  • (1) Ethernet Port (RJ-45)
  • (1) 12V DC Power Input
  • (1) USB-C Port (Firmware update)

Mechanical:

  • Metal Enclosure
  • LED Indicators: Power (Blue), Link (Green), Video (Multicolor: Green/Red/Blue), eARC (Green)
  • Dimensions: Approx. 190mm x 25mm x D (Depth TBD)

Environmental:

  • Operating Temperature: 0°C to 50°C (32°F to 122°F)
  • Storage Temperature: -20°C to 60°C (-4°F to 140°F)
  • Operating Humidity: 20% to 90% RH, non-condensing
  • ESD Protection: +/-8kV Air Discharge, +/-4kV Contact Discharge
  • Vibration: ISTA-1A Drop Test Compliant

Power Requirements:

  • (1) DC 12V Power Supply included (Multi-region plugs: US, EU, UK, AU)

Box Contents:

  • HDMI eARC Extender Set (TX + RX)
  • (2) Power Supplies (12V)
  • (2) 3-pin Phoenix Connectors
  • (2) IR Receiver and IR Emitter Cables (Gefen EXT-RMT-EXTIRN and EXT-IREMIT)
  • Mounting Ears and Screws
  • Quick Start Guide

Warranty

3 year product warranty

Please see the Gefen warranty page for more details

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