4K@60Hz HDMI2.0 Extender with ARC, supports loop-out, ARC, audio out/extraction,HDMI2.0, HDCP2.3, bi-direction IR, PoC, EDID management

4KEX70L-H2

The AV ACCESS HDMI Extender 4KEX70L-H2 is a professional HDMI extension solution designed to transmit uncompressed 4K@60Hz 4:4:4 video, multichannel audio, and bi-directional IR signals up to 70 meters (230ft) over a single Cat6/6A/7 cable. Supporting HDMI 2.0, HDCP 2.3, ARC, audio extraction, and loop-out, this extender is ideal for conference rooms, multimedia halls, digital signage, classrooms, and professional AV installations.

Designed for reliability and flexibility, the AV ACCESS HDMI Extender 4KEX70L-H2 also features Bi-directional Power over Cable (PoC), allowing either the transmitter or receiver to power the entire system. This simplifies installation, reduces cable clutter, and minimizes power outlet requirements.

Supporting ultrawide resolutions including 3440×1440 (21:9) and 3840×1080 (32:9), the extender delivers exceptional image clarity for presentations, monitoring applications, and immersive visual experiences.

Key Features

  • Extend 4K@60Hz 4:4:4 HDMI signals up to 70m (230ft) over a single Cat6/6A/7 cable.
  • Supports HDMI 2.0 and HDCP 2.3 for seamless compatibility with protected content.
  • Features ARC (Audio Return Channel) and audio extraction for direct connection to amplifiers and sound systems.
  • Includes HDMI loop-out for local display monitoring.
  • Supports ultrawide resolutions including 21:9 and 32:9 formats.
  • Bi-directional IR enables remote control of source or display devices from either end.
  • Bi-directional PoC powers both transmitter and receiver using only one power adapter.
  • Built-in EDID and ARC switches improve display compatibility and stable signal transmission.
  • Supports premium audio formats including PCM 7.1, Dolby Atmos, and DTS.
  • Perfect for professional AV systems, meeting rooms, education, entertainment venues, and digital signage installations.
Technical
Input/Output Signal Type HDMI 2.0, HDCP 2.3
Input/Output Resolutions Supports VESA and SMPTE resolutions up to 4K@60Hz (4:4:4), including 3840×2160@60Hz, 4096×2160@50Hz, 4K@30Hz, 3840×1080@60Hz, 3440×1440@60Hz, 2560×1600@60Hz, 2560×1440@60Hz, 2560×1440@50Hz, 1080P@120Hz, 1080P@100Hz, 1080P@75Hz, 1080P@60Hz, 720P@60Hz
Maximum Data Rate 18Gbps
Maximum Pixel Clock 600MHz
Audio Formats · HDMI: Supports multichannel audio up to PCM 7.1, including PCM 2.0/5.1/7.1ch, Dolby Digital, Dolby Digital Plus, Dolby TrueHD, Dolby Atmos, DTS 5.1, DTS-HD Master Audio and DTS:X

· S/PDIF: PCM 2.0ch, Dolby Digital, DTS 5.1

General
Operating Temperature 0°C to 45°C (32°F to 113°F)
Storage Temperature -20°C to 70°C (-4°F to 158°F)
Humidity 10% to 90%, non-condensing
ESD Protection Human-body Model:

±8kV (Air-gap discharge) / ±4kV (Contact discharge)

Power Supply DC 12V 1A, PoC
Power Consumption 4.2W (Max, per pair via PoC)
Device Dimensions

(W x H x D)

2.48” x 0.59” x 3.15” (63mm × 15mm × 80mm) each for TX/RX
Product Weight 0.29lb (0.13kg) each for TX/RX

Transmission Distance

Note: A T568B straight-through Category cable is recommended.

Cable Type Range Supported Video
Cat 6/6A/7 230ft (70m) 1080P@60Hz

4K@60Hz

HDMI Input/Output: 49ft (15m) 1080P@60Hz
Input/Output: 33ft (10m) 4K@60Hz
Input: 33ft (10m)

Output: 49ft (15m)

4K@30Hz
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