Klipsch X20i

Reference-style sound signature with rich bass and clear, accurate high frequency response. Secure fit, with several eartip options.

Exceptionally expensive. Cable only partially removable.

If all of this sounds nice, but the pricing makes this conversation theoretical, you should know that you can still find quality in-ear options with solid balance for far less. For the price, both the Bowers & Wilkins C5 Series 2 and the Westone W10...