The AKG K267 TIESTO Closed Back Headphones are high-end reference-grade DJ headphones ideal for live & studio use alike. These headphones were designed & tuned by legendary DJ TIËSTO. The flat transparent frequency response is ideal for mixing & mastering in a studio setting while the switchable bass boost adds more low-end to break through during the nosiest live shows. These high-end DJ headphones are comfortable sleek & durable making them ideal for a range of applications. Please note this is a B-Stock item. B-stock items are either ex repair or have previously been returned by another customer. The original boxing & manual may be missing & there may be some slight signs of usage. Otherwise the unit operates as new. This is a great opportunity to buy a fully functioning product at a discounted price supplied with a one year warranty. Software bundled with the original new product may have been registered or may no longer be included.