Disclaimer: I was sent a nickel direct from periodic audio in exchange for my opinions. The unit is mine to keep, but these are my honest opinions. The unit sent to me is also one of their "blemished" versions, so certain thoughts about the build or aesthetics of the unit will reflect that. About Me: I have been in this hobby on and off for a number of years now, much more seriously into it recently with a heavy focus on IEMs and portable listening. I am mostly interested in the IEMs themselves and dont put a huge amount of stock into other...

Disclaimer: Dan Wiggins from Periodic Audio contacted me about doing a demo of both the carbon and the nickel. I was provided the carbon in exchange for an honest and unbiased review, and I intend to provide just that. About Me: I have been in the audio hobby now on and off for a number of years now, and find myself drawn almost exclusively to IEMs. I really like the portability and quality you can get from a good pair of IEMs. I have gravitated mostly towards smaller single dynamic driver IEMs. Part of that is the bass quantity and quality that a...