Astro Gaming cuts 15% off sitewide, with no minimum purchase required, via coupon code "pax15". That's the best percent-off deal we've seen from this merchant. Astro Gaming sells gaming headsets, audio systems, and more. Shipping starts around $11.

A best bet is the Astro Gaming A40 Astro Edition Headset in Black (pictured) or White for $169.99 via the above coupon. With around $13 for shipping, that's $30 off and the lowest total price we could find. The official headset of Major League Gaming, it features a removable noise cancelling microphone, circumaural ear pads, 2-meter cable with in-line mute switch, and more.