sound

100% of the reviews on Amazon.co.uk give this product a positive rating.

Clean, crisp audio response with no distortion, even at top volumes. Inline microphone and remote control for mobile devices. Ships with plenty of eartip fit options. Quite comfortable.

Not for lovers of big bass, or even moderate low-end—this is a crisp, near-flat response pair.

Basically, this is a pair for those who prefer near-flat-response sound signatures that favor mids and highs, crispness and clarity, without foregoing bass completely. The X4i has a certain level of richness in the lows, but by today's standards, it is...

On tracks with serious sub-bass content, like the Knife’s “Silent Shout,” the X4i delivers the deep bass without distortion, even at top, unsafe listening levels. However, any bass fiends seeking super-boosted low-end will likely be disappointed with...