MB 660 UC



ARTICLE NO. 507092
For more information please visit our official website for this product.


MB 660 UC is a wireless, UC certified, adaptive ANC headset designed for knowledge workers demanding business-grade communication and pre-mium Sennheiser sound quality for maximum productivity in open offices.


Wearing style    Headband

Impedance   Active 490 ohms / Passive 46 ohms

Connector   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

Frequency response (microphone)   150 - 6,800 Hz

Frequency response (headphone)   17 - 23,000 Hz

Microphone   Digital MEMs microphone (3 microphones)

Sound pressure level (SPL)   Max. 118 dB limited by ActiveGard®

Transducer principle   Dynamic, closed

Weight   227 g / 8 oz

Charging time   Approx. 3 hours

Standby time   Up to 15 days

Range   Up to 25 m / 82 ft (device dependent)

Battery specification   Up to 30 hours

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


Included in the box:

  • Headset
  • BTD 800 USB PC dongle
  • USB cable with micro-USB connector
  • Audio cable with answer/end button (2.5 mm and 3.5 mm jack plugs)
  • In-flight adapter
  • Carry case
  • Quick Guide
  • Safety guide
  • Compliance sheet


Please find attached a copy of the fact sheet for the MB 660 UC. 

Download the PDF.

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