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New eARC HDMI Extender w/ 4K@60hz Dolby Vision, HDCP 2.3, IR & PoC, Ideal for Home Theater
SKU: 4KEX70-eARC€551.99
.HDMI 2.0 & HDCP 2.3 Compliant:
Supports both static and dynamic HDR formats up to 4K@60Hz, including Dolby Vision. Transmits 4K@60Hz (4:4:4) HDMI signal up to 70m/230ft over CATx cable.
eARC/ARC Compatible:
Works with eARC displays to transmit high-bitrate audio formats like Dolby Atmos and DTS:X. Also backwards compatible with standard ARC up to 5.1CH, ideal for home theater setup.
IR & PoC Functions:
Supports bi-directional IR pass-through and one-way PoC from the transmitter to the receiver; also supports CEC pass-through.
High Reliability:
Certificated by CE, FCC. Built-in surge/lightning protection and superior ESD protection. Comes with an IR emitter, an IR receiver and mounting ears.
Out of stock
Industry-Leading 4K eARC HDMI Extender Kit
4KEX70-eARC is AV Access’s innovative 4K eARC HDMI extender kit. It allows you to transmit 4K@60Hz (4:4:4) HDMI signal up to 70m/230ft over Cat5e/6a/7 cable. Compatible with eARC and ARC, you can also return audio signals such as Dolby Atmos or DTS:X from a smart TV back to an eARC-enabled AVR or soundbar. Besides, it also supports bi-directional IR and one-way PoC. With its exquisite design and extraordinary performance, this brand-new HDMI extender is ideal for home theater and residential systems, sports bars, restaurants, gyms, multi-purpose spaces, etc.
Notes:
1. Before using this product’s eARC/ARC function, please first ensure your AV receiver and TV both support eARC/ARC. During use, please connect the HDMI cable to the eARC/ARC port of your TV, and switch the AV receiver to eARC/ARC channel.
2. This product is a transmitter and receiver kit. We don’t sell them separately. One transmitter can work with only one receiver.
3. When using FireTV as the HDMI source, you may not be able to turn on/off the connected AV amplifier (AV receiver) via CEC function at the TV side. The included IR emitter and receiver are required to be installed in this circumstance for controlling the AV amplifier (AV receiver) remotely.
Main Features:
- HDMI 2.0b and HDCP 2.3 compliant; supports the latest UHD resolutions including HDR10, HLG and Dolby Vision formats.
- Transmits 4K@60Hz (4:4:4) HDMI signal up to 70m/230ft via Cat5e/6/6a/7 cable.
- Compatible with eARC displays for transmitting high-bitrate audio formats like Dolby Atmos, DTS:X, etc
- Backwards compatible with standard ARC up to 5.1CH.
- Supports one-way PoC from the transmitter to the receiver.
- Supports bi-directional IR pass-through.
- Supports full CEC pass-through via TV remote to control connected AV equipment.

Up to 4K@60hz Dolby Vision
This brand-new HDMI 2.0 extender supports both static and dynamic HDR formats up to 4K@60Hz, including Dolby Vision. It can transmit 4K@60Hz (4:4:4) HDMI signal up to 70m/230ft over Cat5e/6a/7 cable, delivering true-to-life viewing experience.
Immersive Audio Experience with eARC


Bi-Directional IR Transmission
One-Way PoC Function

Connection Diagram

Application Scenarios

Technical | |
Input/Output Port | Transmitter:
1 x HDMI In, 1 x UTP Out, 1 x IR In, 1 x IR Out, 1 x DC 12V In Receiver: 1 x HDMI Out, 1 x UTP In, 1 x IR In, 1 x IR Out, 1 x DC 12V In |
Input/Output Signal Type | HDMI with 4K@60Hz 4:4:4 8bit, HDCP 2.3 compliant |
Input/Output Resolution Supported | VESA:
800 x 6008, 1024 x 7688, 1280 x 7688, 1280 x 8008, 1280 x 9608, 1280 x 10248, 1360 x 7688, 1366 x 7688, 1440 x 9008, 1600 x 9008, 1600 x 12008, 1680 x 10508, 1920 x 12008, 2048 x 11528 SMPTE: 1280 x 720P6,7,8, 1920 x 1080P6,7,8, 3840 x 21602,3,5,6,8, 4096 x 21602,3,5,6,8 1 = at 23.98 Hz, 2 = at 24 Hz, 3 = at 25 Hz, 4 = at 29.97 Hz, 5 = at 30 Hz, 6 = at 50 Hz, 7 = at 59.94 Hz, 8 = at 60 Hz Note: The extender kit supports resolution up to 4K@60Hz in Dolby Vision low latency mode. For Dolby Vision standard mode, it supports resolution up to 4K@30Hz. |
HDR | HDR 10, HDR 10+, HLG |
Maximum Data Rate | 18 Gbps |
Maximum Pixel Clock | 600 MHz |
Audio Format Supported | HDMI: Supports all HDMI 2.0 formats including multi-channel PCM, Dolby True-HD and DTS-HD master audio;
ARC Mode: Supports 5.1-ch compressed audio (such as Dolby Digital, DTS 5.1, and Dolby Digital Plus), and 2.0-ch uncompressed PCM audio; eARC mode: Up to 8-ch L-PCM of 192kHz audio; Supports encoded audio formats, such as Dolby Atmos and DTS-X. |
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 3A |
Power Consumption
(Maximum) |
21.8W |
Device Dimension
(W x H x D) |
215mm x 25mm x 140.2mm/
8.46″ x 0.98’’ x 5.52’’ each for TX/RX |
Product Weight | 0.58kg/1.28lb for TX, 0.59kg/1.30lb for RX |
In the Box
- Transmitter x 1
- Receiver x 1
- Power Adapter (DC 12V, 3A) x 1
- AC Power Cord with US Pins x 1
- AC Power Cord with UK Pins x 1
- AC Power Cord with EU Pins x 1
- IR Emitter x 1
- Broadband IR Receiver (30-50kHz) x 1
- Mounting Brackets (with Screws) x 4
- User Manual x 1
Troubleshooting FAQ
- Check if the “Link” and “Video” LED indicators are in normal status (solid on).
- Ensure the source device and the display device are powered on. And ensure the source device is outputting video signal while the correct HDMI input channel is selected on the display device.
- Try using shorter HDMI cables with better quality.
- Ensure all of your HDMI cables work normally. You can connect the source to the display device directly via one of these HDMI cables, to check if video can be shown normally on the display.
- Check if the “Link” LED indicator is in normal status (solid on).
- Check if the “eARC” LED indicator is in normal status (solid on/blinking).
- Ensure the HDMI eARC/ARC ports of the AV receiver and the TV are connected correctly. The transmitter’s “HDMI IN” port should be connected to the AV receiver’s “HDMI eARC/ARC” output port, while the receiver’s “HDMI OUT” port should be connected to the TV’s “HDMI eARC/ARC” input port.
- Ensure the eARC/ARC and CEC functions of the AV receiver and the TV are enabled.
- For the AV receiver, you need to select “TV audio channel” to play eARC/ARC audio from the
- Try turning the TV off then on again, so eARC/ARC can re-handshake to establish connection.
- Ensure your HDMI cable work properly. You can connect the AV receiver to the TV directly via your HDMI cable to check if the eARC/ARC function works.
- It is recommended to use a Cat5E/6/6A/7 cable, instead of Cat5 or flat cable.
- Check if the total length of your cable is within 70m/230ft.
- Check if the connectors at both ends of the cable meet the IEEE T568B standard.
- Use a new cable, or try crimping your Cat cable connectors according to the IEEE T568B standard.
- If you need to use patch cables at both ends, the length should be as short as possible, no more than 5m/16ft. Please ensure all connectors meet the same standard (IEEE T568B). Please also note that the total length of the patch cables and the Cat cable should not be over 70m/230ft.
- Check if you have plugged in the transmitter with the included power adapter. This HDMI extender supports one-way PoC, so the receiver can be powered by the transmitter.
- Check if the connectors at both ends of the cable meet the IEEE T568B standard.
- Check if your IR connection method is correct. The IR receiver cable needs to be connected to the “IR In” port at one end, and the IR emitter cable needs to be connected to the “IR Out” port at the other end. Please note that the 3.5mm cable connectors need to be fully inserted into the IR ports.
- Check if you use the remote controller correctly and if you place the IR emitter head correctly. When you use the remote controller, it needs to be directly facing the IR receiver head. Besides, the IR emitter head should be placed closely to the IR receiving window of the controlled device.
- Try controlling the source device directly via your remote controller, without using the HDMI extender. Then check if the IR connection works.
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Fully Certified Company
CE, FCC, ROSH, ISO9001, National Hi-tech Enterprise, Double Soft Certification Enterprise. Quality assured.
Sound Quality Management System
We believe quality control starts at the beginning. We paid highly attention on product design, R&D testing and trial production before any bulk productions.
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