THE BEST OF THREE WORLDS 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.

UC CERTIFIED BUSINESS-GRADE COMMUNICATION

Business-grade communication voice clarity is key to success in every organization. The MB 660 wireless and wired solution in one deliver a certified, business-grade communication experience, whichever your UC environment might be.

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.