• Home
  • Consumer Electronics
  • Headphones
  • On Ear Headphones
  • Sennheiser On Ear Headphones
  • Sennheiser 506381 MOMENTUM Wireless Over Ear Headphones with Bluetooth
  • Sennheiser 506381 MOMENTUM Wireless Over Ear Headphones with Bluetooth hero image
    Sennheiser 506381 MOMENTUM Wireless Over Ear Headphones with Bluetooth hero image
    Sennheiser 506381 MOMENTUM Wireless Over Ear Headphones with Bluetooth hero image
    Sennheiser 506381 MOMENTUM Wireless Over Ear Headphones with Bluetooth hero image
    • Sennheiser 506381 MOMENTUM Wireless Over Ear Headphones with Bluetooth image NaN
    • Sennheiser 506381 MOMENTUM Wireless Over Ear Headphones with Bluetooth image NaN
    • Sennheiser 506381 MOMENTUM Wireless Over Ear Headphones with Bluetooth image NaN
    • Sennheiser 506381 MOMENTUM Wireless Over Ear Headphones with Bluetooth image NaN

    Sennheiser 506381 MOMENTUM Wireless Over Ear Headphones with Bluetooth

    • Hot Offers - New Page
    • Black Friday 2025
    SMS Audio STREET by 50 SMH012 Over-Ear Wired Headphones - Blue hero image
    SMS Audio STREET by 50 SMH012 Over-Ear Wired Headphones - Blue
    Yet to be reviewed
    $237
    $62.95 (21%) off RRP of $300
    Compare
    • Specifications & manuals
    • Reviews
    • Legendary service
    • Delivery, services & returns
    • Questions & answers

    Specifications & manuals

    key Specifications
    Brand
    Sennheiser
    Finish Colour
    White
    Finish Colour Description
    Ivory
    Model Number
    506381
    Accessories included
    USB Charging cable, Flight adaptor, 1.4 m Audio cable, 3.5 mm Low-profile angled plug
    warranty
    Manufacturer Warranty
    2 Years
    audio
    Built in Microphone
    Driver Diameter
    mm
    Frequency Response Range
    16 – 22000
    Headphone Type
    Over Ear Headphones
    connectivity
    Bluetooth
    battery Information
    Battery Charging Time
    3 h
    Battery Life
    22
    additional Dimensions
    Cable Length (cm)
    140
    other Features
    Foldable Headphone
    Features
  • Closed circumaural design featuring Bluetooth® wireless technology
  • Luxurious leather headband and earpads for a feeling of substance and quality
  • Amazing stereo sound across the audible range thanks to Sennheiser’s 18O high-end transducers
  • Robust, foldable headband for easy storage on the go
  • NoiseGard™ hybrid active noise cancellation for optimum isolation from background noise and outstanding audio performance
  • Immediate pairing to smart devices using NFC connectivity
  • VoiceMax™ technology utilising two built-in microphones for voice communication to emphasize speech quality and remove external noise
  • NoiseGard™ Hybrid technology with 4 pick-up microphones
  • Comes with an attachable audio cable for use in environments where Bluetooth® connectivity is not permitted
  • Rechargeable Lithium-ion Polymer (600mAh)

    • Technical Data:
  • Impedance passive: 28 O
  • Impedance active: 480 O
  • THD, total harmonic distortion <0.5%
  • Contact pressure Approx. 3.6 N
  • Frequency response (microphone): Wideband 100 - 8,000Hz
  • Frequency response (microphone): Narrowband 300 - 3,400Hz
  • Pick-up pattern: Dual omni-directional microphone (2 mic beamforming array)
  • Sensitivity as per 121 TR 9-5: -44dB V/Pa (1kHz)
  • Bluetooth Version: Bluetooth 4.0 + EDR
  • Supported Profiles: A2DP + AVRCP + HSP + HFP
  • Ear coupling: Circumaural
  • Jack plug: 3.5mm angled
  • Transducer principle: Dynamic, closed
  • Attenuation: Up to 25dB
  • Operating time: 22hrs (HFP + ANC)
  • Codecs: apt-X®
    • Manuals

    Reviews

    Rating snapshot

    5
    0
    4
    1
    3
    0
    2
    0
    1
    0

    Average customer rating

    Overall
    4.0
    Ease of setup
    5.0
    Build quality
    5.0
    Value of product
    4.0

    Appliances Online's customer reviews are independently managed by Bazaarvoice, ensuring their accuracy and honesty. Vouchers are sometimes offered to verified buyers in exchange for their unbiased review.

    Learn more about Bazaarvoice Authentic Reviews Trust Mark
    1-1 of 1 reviews
    Ominence2017-05-07
    best when hooked in to a headphone amp in passive wired mode. volume is just sufficient in Bluetooth battery mode.
    Build quality
    5.0
    Ease of use
    5.0
    Value of product
    4.0

    Legendary service

    The Appliances Online Net Promoter Score (NPS) is based on feedback from 89,897 people, collected between August 2024 to August 2025. Learn more about the Net Promoter Score (NPS).
    It arrived exactly as indicated. GREAT SERVICE
    Appliances Online Customer, Australia
    I will definitely look to you in the future for any appliance needs.
    Debbie,
    Excellent customer service
    Appliances Online Customer, Australia

    Delivery, services & returns

    Appliances Online is all about legendary service. We offer free next business day delivery, free connection, free removal and free recycling, and we even offer Saturday delivery and, in some locations, a Premium Delivery option that allows you to choose your own 2-hour delivery window.

    Questions & answers

    No-one has asked a question about this product yet. Want to be the first?
    I agree to the terms & conditions
    We're here to help 24/7 - for an immediate answer to your question, chat with one of our Live Chat agents below or call us on 1300 000 500 .