NoiseGard™ hybrid adaptive ANC

By constantly monitoring your background environment for noise, Sennheiser’s NoiseGard™ hybrid adaptive ANC technology seamlessly adjusts the level of noise reduction in your headset. This unique technology enables you to take control of your sound environment, so you can have a productive, disruption-free workspace.

Sennheiser signature sound

Create your own sound with a choice of sound effect modes, to get the best personalized sound for speech, music and entertainment. The MB 660 delivers stereo audio, and CD-quality streaming with aptX® in Sennheiser’s renowned high-quality, for your ultimate sound experience.