Creative Labs announces the Sound Blaster X7 Limited Edition, more powerful white version of their external audio processor which will sell for $100.00 more than the original black X7, a premium item itself that carries a $399.99 price tag. They call the X7 Limited Edition the "ultimate sound companion for pro-gamers and audio enthusiasts," and here is their explanation for why it costs five hundred dollars, which apparently involves the skill of the headphone amp:

The Sound Blaster X7 Limited Edition has never looked this classy, with a touch of elegance. This pearl white edition certainly takes to the next level with the ultimate audio upgrade for pro-gamers and audio enthusiasts. A room-pleaser with unparalleled sound quality, the Sound Blaster X7 reflects the skill of its exclusive 1 ohm headphone amp output impedance, with a nice kick of extra audio amplification power.