AudioQuest - Gold Spade Single Bi Wire 500 Series

AudioQuest - Gold Spade Single Bi Wire 500 Series - Gold (2 Amplifier + 4 Speaker)

One-piece solid High-purity Pure Purple Copper instead of inferior sounding multiple pieces or brass.
Especially pure "Hanging Gold" directly-plated without normal sound-damaging intermediary layer.
Cold-Welded connection instead of inferior sound-damaging solder.