IEM discussion thread (Part 1)

[cal_lando]

Here is my review of the 64 Audio U4s!

Cal's Corner Store - I like Bass

64Audio U4s: Big Poppa Sound Profile MX module: Neutral M12 module: Warm neutral M15/M20 module: warm neutral with bass boost Overview The U4s needs no introduction. The newest offering from 64 Audio has been getting rave reviews since it was introduced several months ago. So when I got the chance to listen to them I was super excited. I really didn’t know what to expect though since my only other experience with 64 Audio was the U6t which was very forgettable for me. Also the graph for the …