HDMI - Q. I have a QED QUNEX HDMI-P, is it compatible with ARC on my equipment?
Answer:
Yes, the old 1.3 standard HDMI-P cables all had pin 14 for audio return channel (ARC) connected so, unofficially they should work OK with 1.4b ARC.
- Related Articles
- HDMI - Q. Is my 'Premium' with Ethernet HDMI cable compatible with eARC?- Answer: This from the CEDIA white paper on HDMI 2.1 connectivity. As QED Premium is a “with Ethernet” cable it will be capable of transmitting eARC: “It was noted in Section 5 that HEAC is a standard rather than optional feature in Category 3 cables, ... 
- Q. Are QED HDMI cables 2.0 compatible?- Answer: All current QED HDMI cables are already compatible with the HDMI 2.0 standard and carry the "High Speed with Ethernet" logo and 3D/4K logos. For more information, please click here. 
- HDMI Cables Matter- Recently there have been discussions on television and the internet suggesting it’s not worth upgrading to high quality digital audio and HDMI cables. QED has been a leading manufacturer of cables and accessories for more than 40 years, so we thought ... 
- QED Qunex 4S - Design and Specs- Please find attached the information relating to the QED Qunex 4S. 
- QED - MusiQ - User Manual (English)- Please find attached the QED MusiQ User Manual in English.