HamiltonBuhl - Deluxe Active Noise-Cancelling Headphones with Case

HamiltonBuhl Deluxe Active Noise-Cancelling Headphones With Case. The HamiltonBuhl NCHBC1 headphones are specially-designed to deliver superior noise-cancellation by actively reducing harmful and annoying low frequency sounds in noisy environments. Together, the passive and active noise-cancelling technology creates a quiet, soothing environment to focus on the audio in your headphones or have some peace with no sound.