As we touched on earlier, Skullcandy's been using this as a motto to highlight its focus on better audio quality -- and not just making fashionable headgear.
The leatherette sealant of the headset's ear cups cancels out unwanted ambient noise and allows players to focus on the battle audio and tactical radio chatter of the game.
The slide also indicates the Opal will have a particular e-reading focus, which makes sense for a 7-inch device, and there's a mention of "premium audio, " which nicely reinforces our speaker hypothesis.