AudioQuests Big Sur is a cable that delivers spectacular soundscapes just as sensational as the views of majestic canyon in California its aptly named after. The Big Sur 3.5mm jack to stereo phono cable enjoys AQs Solid Perfect-Surface copper+ conductors at its core which involves the raw copper ingots being processed much more slowly and carefully which gives a beautifully smooth and indent-free surface for a signal to travel down. The audio advantages are crystal clear as soon as you sit down to listen. A stunning cable.