Bose QuietComfort 25 Acoustic Noise Cancelling headphones give you crisp, powerful sound and quiet that lets you hear your music better. Bose advances their headphones with the latest proprietary Bose Active EQ and TriPort technology, that giving your music deep, clear sound. Sound without interference Bose noise canceling technology monitors the noise around you and cancels it out, helping you focus more on what you want to hear whether it’s music, your calls, or simply peace and quiet.