The Sony XBA-H1 In-ear Headphones have been designed in collaboration with Sony Music Entertainment, the XBA-H1 in-ear headphones let you hear music the way musicians intended. Hear detailed sound reproduction across the full frequency range thanks to a hybrid 2-way driver unit with built-in Beat Response Control technology, you'll be able to bump up the bass without worrying about distortion. Enjoy flawless reproduction of mid and upper levels, thanks to the Balanced Armature driver units and hear your music and nothing else, thanks to the close fit and closed earbud design. So buy this Sony XBA-H1 In-ear Headphones with Hybrid Driver System Now £84.00.