THE NS400 WILL BLOW YOUR MIND. SOUND CHARACTERISTICS: The dynamic speaker is designed for the best possible listening experience. The earphones deliver a clear and powerful sound throughout the entire sonic spectrum, backed by natural bass. MATERIALS & DESIGN: Every part, from the strong lightweight titanium housing and noise isolating silicone sleeves to the Kevlar reinforced cables have been carefully designed to offer great durability. NOCS is A Swedish brand formed 2008 by a couple of guys addicted to apple products. NOCS was formed because there were no headphones that could match the apple products in terms of design and performance. They strive to work with the finest materials, such as Aluminum, Stainless Steel, Titanium and Kevlar.