Along with improved video quality, 8K HDMI cables provide enhanced audio support through eARC (enhanced Audio Return Channel) technology. They can transmit high quality, lossless audio formats such as Dolby Atmos, DTS:X, and TrueHD, delivering immersive sound experiences to complement your visuals.
Available:-
8K HDMI cables 6ft (UNNO) 2.1 -.$95.00;
4K HDMI cables 6ft (UNNO) 2.0 -.$65.00;
4K HDMI cables 9.8ft 2.0 - $45.00;
Regular 1080p HDMI (6ft) - $60.00.
If you have upgraded from 1080p, then you should consider upgrading your cable.