AudioQuest Vodka eARC is a high quality HDMI 2.1 audio/video interlink that is specially made to optimize the sound from the ARC (Audio Return Channel) output. This cable is primarily made for maximum sound performance. Ideal for getting the best sound from your surround receiver or sound bar. Vodka eARC has heavy silver-plated conductors for audio and ground reference. For the video part, AudioQuest uses the Forest 48, which offers a bandwidth of up to 48 Gbps, and can process images up to 10K. AudioQuest Vodka eARC supports the full HDMI 2.1 standard for all lengths. product specification: bandwidth: 48 Gbps 8K-10K A/V conductor: 0.5% silver eARC conductor: 10.0% silver ground reference: 5.0% silver braid: blue/black