Dynamic transducers deliver powerful, bass-driven sound
16-ohm impedance is ideal for use with cell phones, tablets and portable music players
In-ear-canal design provides ambient noise isolation to improve listening experience

Open-back design keeps head cool while delivering extreme sonic clarity and accuracy courtesy of Sennheiser’s model specific transducer technology (50-ohm)
Modern, lightweight yet robust design featuring plush velour covered XXL ear pads for extreme comfort
Crystal-clear conversations ensured with the professional quality noise-canceling microphone that automatically mutes when boom arm is raised

Powerful neodymium magnets for stereo sound with outstanding bass performance
Closed on-ear headphone design blocks outside noise and extra soft earpads provides a secure and comfortable fit even for extended use
Optimized for portable audio including MP3, CD players, iPad, iPod and iPhone