P9 Signature, Bowers & Wilkins' largest over-ear headphone, exemplifies all of the acoustic and design innovation skills they have amassed in their fifty year journey. They raise the bar of sound performance with the latest technological developments in audio architecture for a breathtaking, luxurious and immersive experience. Breathtaking Sound The earcups contain sophisticated acoustic cabinets, built of aluminium & composite materials. This optimised sound environment enables the drive unit to render your music with absolute precision. Read more… Each earcup is decoupled from the headband, allowing for complete removal of vibration and distortion, to give a stunningly clear and open sound. Utilising an advanced new drive unit with a clever suspension system, these headphones deliver precise high frequencies and lush, deep bass. Innovative angling of the drivers gives the P9 Signatures a uniquely “real-life”, natural sound, with the music aligned in front of the listener rather than to the side. Luxurious Fit Vented multi-layer memory foam cushions combine with the leather on the ear-pads and headband to deliver an incredibly comfortable experience. Premium Materials Exquisitely crafted from luxurious, high quality materials, Saffiano leather and forged aluminium arms provide durability and strength. Foldable Design The P9 Signatures are fully foldable and can be conveniently stored in the protective pouch provided. Phone Friendly The cable comes with a remote/microphone attachment, so it works seamlessly with your iPhone. And because the cable is so easy to detach and swap, the P9 Signatures are also compatible with all other mobile phones and MP3 players.