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Sennheiser MOMENTUM In-Ear Black True Wireless Earphones - 508524

Quick Specs
  • Color : Black
  • Type : In-Ear
  • Connection To Smartphone / Media Player: Wired Or Wireless : Wireless
  • True Wireless : Yes
  • Ideal For Wireless TV Use : No
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Product Details

Sennheiser MOMENTUM In-Ear Black True Wireless Earphones - 508524

A new dimension in wearable sound

Uncompromised sound performance, state-of-the-art technology and refined design all come together in Sennheiser’s True Wireless premium earbuds.


  • Discover a new way of listening
    Make the music you love sound even better, whenever you want, wherever you are. These attractive earbuds, with Sennheiser’s audiophile driver technology, guarantee superior stereo sound performance at all times. Thanks to advanced Qualcomm apt-X Low Latency compatibility, you can experience media with perfectly lip-synced audio, whilst 2-mic noise cancellation beamforming technology and Transparent Hearing allows you to always be aware of your surroundings, with or without your music on.
  • Experience long lasting comfort
    Comfortably carry your music with you all day. These lightweight, splash resistant ear adapter come in 4 different ear tip sizes, ergonomically designed for the perfect fit. Just connect them and use the intuitive touch interface to control your music, answer phone calls or access your voice assistant with a single tap or swipe.
  • Appreciate timeless elegance
    Enjoy excellent craftsmanship. Attention to detail and a strong sense of aesthetic make these small, shiny, lightweight earbuds one part listening instrument, one part ready-to-wear accessory. With premium black housing, polished metallic spin ring and gold-plated charging pins, function meets fashion in iconic design. A handy and compact charging case allows you to extend 4 hours of battery life to 12, so you can enjoy all day use, for years to come.
  • Personalize your experience.
    Listen to your music the way you want with Sennheiser Smart Control, the next generation companion app. This free dedicated app for iOS and Android provides an effortless way to control, personalize, update and configure your headphone, headset or soundbar.
  • For your individual sound experience
    • Smart Control App
      • Use the Transparent Hearing settings to determine how much of ambient noise you want to hear.
      • The device settings menu allows you to customize voice prompt or Smart Pause.
      • With this specially developed free app, you can quickly and easily configure and control the functions of your Sennheiser product.
      • With the intuitive equalizer you can adjust the sound to your personal taste.
  • Gold plated connectors and magnets that snap into the charging case
  • Audiophile 7mm dynamic driver for superior sound performance
  • Multi-coloured LED indicators
  • Metallic spin ring with intuitive touch control.
  • Mic holes for voice pick-up and transparent hearing.
  • Comfortable silicone in-ear fittings.


  • Color: Black
  • Wearing style: True wireless stereo earphones
  • Ear coupling: ear canal
  • Frequency response: 5 Hz to 21 kHz
  • Transducer principle: dynamic, closed-back
  • Transducer size: 7 mm
  • Sound pressure level (SPL): 107 dB (1 kHz/1 mW)
  • THD (1 kHz, 94 dB SPL): < 0.08%
  • Microphone principle: MEMS
  • Microphone frequency response: 100 Hz to 10 kHz
  • Microphone sensitivity: 94 dB SPL at 1 kHz
  • Microphone pick-up pattern (speech audio): 2-mic beamforming array
  • Power supply:
    • built-in Lithium rechargeable batteries, 3.7 V
    • left earbud: 60 mAh
    • right earbud: 85 mAh
    • charging case: 600 mAh
    • USB charging via USB-C socket of the charging case: 5 V , 650 mA
  • Operating time:
    • 4 hrs (music playback via A2DP) with rechargeable batteries of the earbuds
    • 12 hrs with rechargeable battery of the charging case
  • Charging time of rechargeable batteries: approx. 1.5 hours
  • Temperature range:
    • operation: 0 to +40°C
    • storage: -25 to +60°C
  • Relative humidity:
    • operation: 10 to 80%, non condensing
    • storage: 10 to 90%
  • Magnetic field strength:
    • earbuds: 1.6 mT
    • charging case: 130 mT
  • Ingress protection of the earbuds: splash proof (IPX4)
  • Bluetooth:
    • Version: Bluetooth 5.0 compatible, class 1, BLE
    • Transmission frequency: 2,402 MHz to 2,480 MHz
    • Modulation: GFSK, Pi/4 DQPSK, 8DPSK
    • Profiles: HSP, HFP, AVRCP, A2DP
    • Output power: 10 mW (max)
    • Codec: aptX®, aptX® LL, AAC, SBC

In the Box:

  • MOMENTUM True Wireless earbuds
  • Silicone ear adapter sets (in size (XS/S/M/L)
  • Charging case
  • USB-C charging cable 20 cm
  • Manuals (Safety Guide & Quick Guide)

Approximate Dimensions:

  • Charging Case:
    • Width: 78.6 mm / 3.09"
    • Height: 45 mm / 1.77"
    • Depth: 35 mm / 1.38"

Approximate Weight:

  • Unit:
    • left earbud: approx. 6 g / 0.01 lbs
    • right earbud: approx. 7 g / 0.02 lbs
    • charging case: approx. 57 g / 0.13 lbs
  • Shipping: 1.5 lbs

Warranty Information:

  • Manufacturer Warranty (authorized online retailer): 2 Years Limited
California customers: Proposition 65 WARNING

Key Features

Discover A New Way Of Listening/ 5 Hz To 21 kHz Frequency Response/ Audiophile 7mm Dynamic Driver/ Intuitive Touch Control/ True Wireless Stereo/ 107 dB SPL/ 94 dB SPL Sensitivity/ 4 To 12 Hours Of Battery Life/ Bluetooth 5.0/ Black Finish

More reasons to buy the Sennheiser MOMENTUM In-Ear Black True Wireless Earphones 508524 from Abt Electronics

  • is an authorized dealer.
  • The Sennheiser MOMENTUM In-Ear Black True Wireless Earphones 508524 is Brand New.
  • Abt ships this product for free!


Connection To Smartphone / Media Player: Wired Or WirelessWireless
True WirelessYes
Ideal For Wireless TV UseNo
Ideal For Sports And WorkoutsNo
iPhone ControlsYes
Sound IsolationNo
Noise CancelingYes
Power SwitchNo
Volume ControlNo
Gaming HeadsetNo


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