PSB M4U2 Noise Cancelling Over-Ear HeadphonesPSB Speakers gets up close and personal with your hi-fi. Weve taken our 40 years of bringing real sound to real people and packed it into our exciting NEW Music for You (M4U) series of high performance headphones. Youre listening to music more than ever before, but now you can do it in comfort and style with PSBs true-to-nature sound quality. Our NEW headphones bring you so close to the music. Its like the music is meant just for you.Thanks to PSBs exclusive Room Feel™ technology, your music wil