BASS YOU CAN MEASURE IN GOOSEBUMPS.Crusher ANC features our broadest range of Sensory Bass yet with new patented drivers. You don’t just hear it you feel it. And you can easily adjust it up or down based on your preference.LESS NOISE.CLEANER SOUND.No matter how much the sounds around you change Skullcandy’s Active Noise Cancellation monitors your environment and eliminates outside noise to keep your music crystal clear.