When it comes to building a gaming PC these days, a high-end sound card is likely pretty far down on your list of priorities. However, if you are serious about audio and want to get the best out of your speakers or high-end headphones, then you will find that your average on-board audio solution won't cut it. Today, we are taking a look at the Asus Strix RAID DLX, their flagship sound card, offering full support for 7.1 surround sound, along with a headphone DAC and amplifier to enhance your listening experience.