Sennheiser Momentum Free

Technical Data

• Wearing style

  Neckband 

• Microphone

  Type: MEMS 

• Bluetooth Version

  4.2 

• • Supported Profiles

    A2DP 1.2 
    AVRCP 1.4 
    HSP 1.2 
    HFP 1.6 - HD Voice 
    (Or higher) 

  • Frequency response

    15Hz - 22000Hz 

  • Max. sound pressure level

    118dB (Passive: 1kHz/ 1Vrms) > Active 

  • THD, total harmonic distortion

    <0.5% 

  • Ear coupling

    In Ear 

  • Transducer principle

    Dynamic (SYS10) 

  • Weight

    < 40g 

  • Audio input

    Bluetooth 

  • Range

    up to 10 meters 

  • Min. terminating impedance

    28 Ohm (Passive) 
    480 Ohm (Active) 

  • Operating voltage (mains)

    3.0-4.2V 

  • Sensitivity as per 121 TR 9-5

    - 44 dB V/Pa 
    Sending Loudness Rating (SLR) 
    Wideband: 10dB +/- 5dB 
    Narrowband: 8dB +/- 5dB 

  • Battery Specification

    Built-in Rechargeable Lithium-ion Polymer (~85mAh) with more than 500 charges 

  • Codecs

    apt-X ® / apt-X ® LL /AAC/SBC 

  • Personal fit

    XS, S, M, L (4 sets) 

  • Voltage

    3.7V Nominal 

  • Connection

    2 device simultaneously (HFP/A2DP) 
    8 device in pairing list 

  • Charging Current

    3.0-4.2V