Enjoy the audio output you desire with the Sennheiser HD 25 SP headphones. The neodymium ferrous magnet systems of these supra-aural headphones reproduce stereo sound with deep bass effects. The closed supra-aural design of these Sennheiser headphones reduces external noise, retaining the originality of the music being played. Listen to music comfortably, thanks to the ultra-soft ear pads of the Sennheiser HD 25 SP headphones. With a frequency response of 30 Hz to 16 kHz, these supra-aural headphones enable you to listen to a wide range of sounds. What's more, Sennheiser headphones have a high sound pressure level of 100 dB, letting you listen to music even in the noisiest of environments.