Upgrade to Extra Bass Feel the mind-blowing, soul-stirring power of Extra Bass to make your music come alive with a knockout punch. Lightweight yet powerful MDR-XB450AP headphones deliver detailed notes in every track with 30mm advanced vibe structure and are perfect for everyday use. The swivel folding design not only lets you carry your music anywhere, it makes an elegant statement too. Its serrated cord keeps those pesky tangles away, and the soft-ear cushions let you listen in comfort. The handy inline microphone lets you take calls with maximum ease, so your smartphone can remain safely stowed in your pocket or bag. Once the call is over, you’ll be able to use the inline remote to jump right back into your favorite tracks.