Experience the desired audio output with the wireless Sennheiser PXC450 NoiseGard headphones. The circumaural design of these Sennheiser headphones reduces external noise, retaining the originality of the music played. Listen to music comfortably, thanks to the ear cup cushion of the Sennheiser PXC450 NoiseGard headphones. With a frequency response of 8 Hz to 28 kHz, these circumaural headphones enable you to listen to a range of sounds. Featuring a sensitivity rating of 106 dB, these Sennheiser headphones efficiently convert power to clear sound. As these circumaural headphones are compatible with all portable media players, you are ensured of a range of applications.