“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
Primary Information Audio System Type Headphone Headphones Audio Output / Connectivity Technology Wired Response Bandwidth (Headphone)(Hz) 20 - 20000 Sound Output Mode Stereo The TDK Life on Record In-Ear Headphones with iPod/iPhone Control elevate the personal listening experience delivering the ultimate in comfort and control, superior craftsmanship and high fidelity.