This thread is for impressions and reviews of the Stealthsonics U-series and C-series IEMs. Impressions links: https://audioprimate.blog/2018/10/19/stealthsonics-u4-and-u9-unboxing-and-initial-impressions/ Full review links: [U4] https://www.head-fi.org/showcase/review/22212/ [U9]...

This is the first proper thread I am starting - it might seem a bit odd to start a collection of my reviews, but I wanted to have a central repository where I could cross reference all the comparisons I have done against similar gear in one searchable location, so a thread seemed the best way to...