The new AH-GC30 is part of the second generation of Denon noise-canceling headphones and builds on the award-winning sound and comfort of its predecessor. With newly developed large, performance-tuned 40 mm FreeEdge and Hi-Res certified drivers, the AH-GC30 maintains its natural sound balance free from exaggerated coloration while providing a deep listening experience—perfect for music and movies. Whether traveling or at work, three different noise-canceling modes ensure that peace and quiet are always guaranteed.