“This is my second CIEM after purchasing Rooth's LS2. I own the Shure 535s as well. My sources as are iPhone 5C and Sony NW-F880, no amps. The LS4 has two bass drivers, so obviously this isn't for people who like monitor like sound. The bass is not overbearing, yet enhanced. There is a nice deep rumble, but not to the point where mids and highs are drowned out. The LS4 manages to...” --Yamato1
“Custom art pro330v2 review During the rapid growth of the portable audio industry, Poland has been the new rising star in this industry, with famous brands like spiral ears, lime ears etc. custom art is one the newest competitor into the industry, but please do not be fool by this ‘new entry’ company, peter/Piotr as the man behind this has a great amount of experience before hand, as a review ...” --terry11091991
Custom Art flagship based on 8 drivers, 3 ways, 4 bores.