Revealing Reference SoundThe X20i is the most revealing in-ear monitor Klipsch has ever made. Highs have been reproduced with unheard-of accuracy while the bass is clear, full, and warm. The X20i aims to set a new benchmark in headphone acoustics. This has led to a sound signature that makes X20i the broadest bandwidth in-ear headphone from Kipsch. The performance of the highs takes advantage of superb lossless recordings, delivering hi-hats and cymbals with lifelike realism.