About this gear
The Cu is Periodic Audio's copper-conductor upgrade cable, following the brand's metallurgy-driven naming convention and aimed at listeners seeking a warmer, smoother tonal shift from their stock IEM cable. It's built for enthusiasts who want to fine-tune the character of their in-ears through cable material rather than driver changes.
About Periodic Audio
Founded in 2016 in Thousand Oaks, California by Dan Wiggins (former THX engineer), Periodic Audio is a boutique IEM manufacturer named after their use of different metallic diaphragm materials — each model named for the element used in its driver: Magnesium, Titanium, Beryllium, and Carbon. The comp...
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