This is a very special limited-edition set of the HeadAmp GS-X mk2 (now available in limited Champagne) and the new Fostex TH900mkII Emerald Green, as well as a Fostex Balanced Headphone cable for optimal sound quality.  This package saves $550 off regular prices for these items, only when bought together.  Own one of the finest closed-back headphone systems in the world, and one of the rarest!