“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
DUNU is a fairly new company and was started as a brand of the Top Sound OEM making IEMs that utilize very high quality housings that have a similar look and feel, but better build quality to the Monster IEMs. I have had a chance to hear some DUNU products briefly, but as I now stick to custom IEMs and higher priced universals I didn’t perform a full evaluation. I was a little surprised...