Sennheiser Momentum in-Ear Wireless Black Headphones

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  • Ergonomic around-the-neck design features soft stitched sheepskin nappa leather neckband offering all-day listening comfort
  • Bluetooth 4. 1 with AAC codec support and apt-x compatibility provides exceptional sound quality via crystal-clear wireless transmission
  • Up to 10 hour battery life with USB charging
  • Supports convenient multi-connection of up to 2 devices at once, with 3-way calling capability

The M2 IEBT in-ear wireless is a bluetooth earphone with integrated three-button remote and high-quality microphone incorporated into the neckband. Bluetooth 4. 1 wireless supports convenient multi-connection with up to 2 devices at once, with 3-way calling capability. It incorporates nfc one-touch bluetooth pairing with smart devices and has up to 10-hour battery life. An intuitive voice prompt system notifies of pairing status and battery life status. There is a vibration alert foring calls and supports USB audio with USB charging.

From the manufacturer

Momentum In-Ear Wireless Momentum On-Ear Wireless Momentum Wireless
Wearing Style Ear Canal On-Ear Around-Ear
Transducer Principle Dynamic Dynamic, Closed Dynamic, Closed
Frequency Response 15 – 22,000 Hz 16 – 22,000 Hz 16 – 22,000 Hz
Impedance N/A Passive: 28 Ohms; Active: 480 Ohms Passive: 28 Ohms; Active: 480 Ohms
Connectivity Bluetooth 4.1, NFC Bluetooth 4.0 + EDR Bluetooth 4.0 + EDR
Charging Time Approx. 1.5 hrs Approx. 3 hrs Approx. 3 hrs
Sound Pressure Level (SPL) 112 dB 111 dB (Passive: 1 kHz/1 Vrms) 113 dB (Passive: 1 kHz/1 Vrms)
Weight 53 g 210 g 260 g
Cable Length N/A 1.4m (detachable) / 3.5mm angled 1.4m (detachable) / 3.5mm angled
In the Box Momentum In-Ear Wireless Headset / USB Charging Cable / Ear Adaptor Set (XS, S, M, L) / Carrying Case / Safety & Quick Guides Momentum On-Ear Wireless Headphones / 1.4 m Audio Cable / 3.5 mm Low-profile Angled Plug / USB Charging Cable / In-flight Adapter / Carry Case / Manuals Momentum Around-Ear Wireless Headphones / 1.4 m Audio Cable / 3.5 mm Low-profile Angled Plug / USB Charging Cable / In-flight Adapter / Carry Case / Manuals


Technical Data

  • Supported Profiles
    A2DP + AVRCP + HSP + HFP
  • Ear coupling
    Ear Canal
  • Transducer principle
    • Charging time
      Approx. 1.5 hrs
    • Battery Specification
      Rechargeable Lithium-ion Polymer (170mAh)
    • Connection
      Bluetooth 4.1, NFC
    • Battery time
      10 hrs (A2DP/HFP)


  • Frequency response
    15Hz – 22,000Hz
  • Sound pressure level (SPL)
    112 dB (1 kHz/0 dBFS)
  • THD, total harmonic distortion
    <0.5% (1kHz/100dB SPL)


  • Pick-up pattern
  • Sensitivity as per 121 TR 9-5
    – 44 dB V/Pa


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