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Sennheiser MB 660 UC MS Wireless Headset - Black



MB 660 UC MS is a wireless, Skype for Business Certified, adaptive ANC headset designed for knowledge workers demanding business-grade communication and premium Sennheiser sound quality for maximum productivity in open offices.

NoiseGard hybrid adaptive ANC

By constantly monitoring your background environment for noise, Sennheisers 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 or AAC in Sennheisers renowned high-quality, for your ultimate sound experience.

Sennheiser signature sound | Reclaim your office

We havent compromised on a single detail with the MB 660 series. In addition to taking noise cancellation to the next level and delivering the renowned Sennheiser signature sound, the MB 660 Series has been designed to be the ultimate business tool for maximizing your productivity.

Additional Features


Sennheisers unique SpeakFocus technology with 3 digital microphones delivers crystal clear sound, making it easy for listeners to hear what youre saying even in noisy open offices, so your call time is always effective.

Advanced Own-Voice-Detector

When you are in a conversation, the Advanced Own-Voice-Detector detects your voice and optimizes speech intelligibility as well as reduces background noise for your listener. When no speech is detected, all distracting background noises such as keyboard- or paper rustling sounds are gradually reduced to make the communication experience more enjoyable for the listener.


Be sure that your message gets through even in challenging outdoor environments. WindSafe technology reduces wind noise to ensure the clearest possible sound is sent to your listener and that your answers arent left blowing in the wind.

Room Experience

By externalizing the sound from your head, Room Experience gives you the impression that you are having a conversation with a person in the same room. This more realistic sound gives you a more natural and comfortable listening experience during a call.


With Sennheiser TalkThrough technology, you can listen to your colleagues or keep an ear open for flight/train announcements all without removing your headset.

Touch pad

Call & media controls direct from the touch pad: answer/end call, reject, hold, mute/unmute, redial; play/pause music, change track, volume up or down

Pillow-soft leatherette ear pads & ear-shaped ear cup design

Premium quality material to ensure maximum comfort, ergonomics and style.

Battery time

MB 660 UC features up to 30 hours of battery time. Even if it runs out of battery, you can still enjoy using the headset with the included audio cable.

Folding & Storing

Easy on/off by turning the ear cups. Foldable design for compact storage.


Wearing style



Active 490 ohms / Passive 46 ohms

Frequency response (Microphone)

150 6,800Hz

Frequency response (Headphones)

17 23,000 Hz


Digital MEMs microphone (3 microphones)

Sound pressure level (SPL)

Max. 118 dB limited by ActiveGard

Transducer principle

Dynamic, closed


227 g / 8 oz

Charging time

Approx. 3 hours

Standby time

Up to 15 days


Up to 25 m / 82 ft (device dependent)

Battery Specification

Up to 30 hours


aptX, AAC, SBC, mSBC, CVSD, a-Law. u-Law


Bluetooth 4.2, NFC, Audio cable with answer/end button (2.5 mm and 3.5 mm jack plugs), USB cable with micro-USB connector

No additional files, specification sheets, guides or documentation found for product.

Warranty: 12 Month Return To Base

Full manufacturers warranty details are available at the manufacturers web site.

Unless otherwise specified Techbuy is normally your first point of contact for warranty related returns, further information regarding our warranty policies and consumer guarantees is available on our policies and service & support pages.

To apply for return of a product just go to our returns page.

These terms are in addition to and do not affect any terms, conditions, guarantees and warranties implied by law.

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