HD 451 offers vibrant stereo sound with powerful bass response as well as highly appealing aesthetics all in one compact package‎.‎ Its state‎-of‎-the‎-art transducers deliver clear‎,‎ vivid sound reproduction‎,‎ and the closed‎,‎ circumaural design helps to shut out disturbing ambient noise for maximum listening pleasure in a variety of listening environments‎.‎ Furthermore‎,‎ the single‎-sided cable virtually eliminates tangling‎,‎ thus guaranteeing improved freedom of movement on the go‎.‎ Sennheiser’s HD 451‎:‎ For outstanding stereo sound that you can enjoy anywhere‎.‎