The P9 Signature deliver pristine sound that takes you to the very heart of your favorite music. Crystal clear treble, insightful midrange and a deep solid bottom end combine breathtaking performance. The P9 Signature headphones are exquisitely crafted from luxuriously high quality materials. Italian Saffiano leather and a forged foldable aluminum arms for greater durability and headband strength. New proprietary piston diaphragm speaker drivers deliver a unique coloration-free audio experience. The angled drivers also bring a superior spatial sound stage for a unique and immersive experience. Uniquely vented multi-layer memory foam cushions combine with the high-quality leather used on the ear-pads and headband to deliver an incredibly comfortable experience. Bowers & Wilkins P9 Signature headphone comes with a 2-year limited warranty only when purchased from an authorized dealer including Amazon.com (indicated by ships from and sold by Amazon.com).