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Sennheiser Momentum True Wireless 3

In-ear noise-canceling Bluetooth® headphones (White)

Item # 143MTNTW3W

The newest in the series I've called the "best-sounding true-wireless earbuds." Early details are promising.

The newest in the series I've called the "best-sounding true-wireless earbuds." Early details are promising.

Item # 143MTNTW3W

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About the Sennheiser Momentum True Wireless 3

Latest sequel for one of our top true wireless performers 

I've named the second generation Sennheiser Momentum TW earbuds the "best-sounding true wireless headphones." That's a lot to live up to for the just-announced Momentum True Wireless 3 earbuds — but with Sennheiser's recent advancements in their "True Response" dynamic driver design, I'm betting they're up for the challenge. And the early details are promising.

Latest sequel for one of our top true wireless performers 

I've named the second generation Sennheiser Momentum TW earbuds the "best-sounding true wireless headphones." That's a lot to live up to for the just-announced Momentum True Wireless 3 earbuds — but with Sennheiser's recent advancements in their "True Response" dynamic driver design, I'm betting they're up for the challenge. And the early details are promising.

These 'buds offer many of the features that make the Sennheiser Momentum TW 2 earbuds so popular. Plus, they add stronger, more adaptive noise cancellation, a more ergonomic fit, more microphones for clearer calls, and more. 


Product highlights:

  • 100% wire-free headphones
    • no connecting cord between left and right earbuds
  • adaptive hybrid noise-canceling circuitry automatically adjusts to the level of external sound
    • uses a four microphone system to analyze your surroundings in real time
  • adjustable Transparency mode lets you hear external sounds and voices
  • "TrueResponse" dynamic driver in each earbud
    • tuned for detailed sound across a wide frequency range
    • spacious soundstage with precise imaging
  • premium materials and IPX4 water-resistant design
Wireless audio:
  • Bluetooth version 5.2 for wireless music listening and phone calls
    • aptX® and AAC decoding provides high-quality music streaming from compatible devices
    • aptX Adaptive automatically adjusts to prioritize audio quality or low latency, depending on the listening situation
    • multi-point connection for pairing to two devices at once (future firmware update)
  • free Sennheiser Smart Control app for Apple® and Android™ allows you to adjust settings and customize the sound
    • optional sound personalization uses a guided listening test that helps tailor the sound to your hearing
  • optical sensors automatically pause music when earbuds are removed
    • earbuds can be used one at a time or as a pair
Battery and charging info:
  • built-in rechargeable batteries offers 7 hours of listening
  • fabric-covered carrying case banks up to 21 hours of power to wirelessly recharge headphones
  • wireless charging available with compatible Qi chargers (not included)
  • USB-C cable included for charging case
General info and specs:
  • includes 4 sizes of silicone ear tips for a customized, comfortable fit
  • includes 3 sizes of silicone ear fins to further secure the fit
  • touch controls on each earbud let you answer calls and control music
  • built-in microphone system for clear phone calls
  • frequency response: 5-21,000 Hz
  • sensitivity: 107 dB
  • weight: 0.40 ounces (both earbuds)
  • warranty: 2 years
  • Our 60-day money-back guarantee
  • MFR # 509181

What's in the box:

  • Left wireless earbud (MTW3 L)(White)
  • Right wireless earbud (MTW3 R)(White)
  • Charging case (MTW3 C)
  • 4 Pairs of silicone ear tips (1 pair installed)
  • 3 Pairs of silicone ear fins (1 pair installed)
  • 18" USB charging cable (Type A USB on one end and USB-C on other end)
  • Quick Guide
  • Safety Instructions
  • Compliance Information
  • Smart Control app card

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More details on the Sennheiser Momentum True Wireless 3

Mark G.

Features & specs

Fit Style True Wireless
Earcup Type Closed
Earcup Width x Height 0.715" x 0.852"
Noise-canceling Yes
Bluetooth Yes
Bluetooth Version 5.2
Single-earbud Operation Yes
Mic For Taking Calls Yes
Voice Assistant Access
Amazon Alexa No
Google Assistant Yes
Siri Yes
3.5mm No
1/4" No
Lightning No
4.4mm balanced No
XLR4 balanced No
2.5mm No
Other None
Frequency Response 5-21k Hz
Sensitivity 107 dB
Impedance N/A
Weight 0.45 ounces
Cord Length N/A
Parts Warranty 2 Years
Labor Warranty 2 Years

Product Research


Overview: The Sennheiser Momentum True Wireless 3 (MTW3) in-ear headphones are two individual wireless ear buds with no connecting wires. They connect to your smartphone or tablet (and to each other) via Bluetooth. The MTW3 features Adaptive Noise Cancellation with a Transparency Mode, and gives you access to your smartphone's native Voice Assistant. Four pairs of silicone ear tips (XS, S, M, L) are included for a comfortable fit. The True Wireless 3 headphones come with a charging case for storage, and for recharging the batteries. They are available in black, graphite, and white.

Drivers: The True Wireless 3 features custom-made 7mm True Response™ dynamic drivers that reproduce a wide frequency range and the Sennheiser Signature Sound. From the crystal clear highs to the natural midrange and low bass, you can enjoy your favorite music from any genre. You can tailor the sound of the earphones through the equalizer found in the Sennheiser Smart Control app, available for iOS and Android devices.

Bluetooth 5.2: The Momentum True Wireless 3 headphones feature Bluetooth version 5.2 which pairs to your phone or audio device in seconds. You can make and receive phone calls and stream audio wirelessly in a range of up to 33' (10 meters), depending upon environmental conditions. The headphones have a maximum of 10mW of output power, and have the following profiles: Headset Profile (HSP), Hands-Free Profile (HFP), Audio/Video Remote Control Profile (AVRCP), and Advanced Audio Distribution Profile (A2DP). If your audio source supports aptX or aptX adaptive, music is played in high resolution quality. Otherwise, the headphones will play in AAC (for Apple devices) or standard audio quality (SBC).

Voice Assistants: The ear buds are compatible with the voice assistant that is activated to your smartphone, such as Siri or Google Assistant. Tapping the right ear bud three times activates the voice assistant for you to make a request or ask a question. You can also activate voice dialing through the voice assistant.

Rechargeable Batteries: The Momentum True Wireless 3 headphones are powered by built-in Lithium-Ion rechargeable batteries. Each earbud's has a 77 mAh battery, while the charging case has a 850-950 mAh battery. The complete charging cycle of the charging case and earphones is approximately 1.5 hours. A 10-minute Quick Charge provides about 1 hours of playback time. The battery in the charging case charges via USB-C power (5V, 1000 mA) using the supplied cable. The charging case can also be charged by placing it on a Qi-compatible wireless charging pad. Fully-charged batteries in the earbuds provide approximately 7 hours playback. The charging case provides enough stored power to charge the earbuds 3 additional times, to extend the playback time to 28 hours.

Phone/Music Controls: Controls for music playback and phone call functions are located on separate earbuds. Both earbuds are equipped with touch controls on the outer panel. The left earbud controls Volume Down, and music playback functions Play/Pause, Next Track, and Previous Track. The right earbud controls Volume Up, Voice Assistant, Voice Dialing, Active Noise Cancellation, and Transparent Hearing. For phone call functions, you can use either ear bud. Touching both control panels simultaneously lets you pair and connect the earbuds to your Bluetooth mobile device.

Microphones: Each True Wireless 3 earbud is equipped with three beam-forming microphones that reject external noise so people only hear you and not your surroundings when you're on a call.

Smart Control App: In addition to the on-board controls, the Momentum True Wireless 3 in-ear headphones can be controlled by Sennheiser's Smart Control app for Android and iOS devices. The app lets you personalize and enhance the sound to suit your taste with the easy-to-use Equalizer. The Transparent Hearing function lets you adjust how much of your surroundings you can hear while wearing the earbuds. You can shut out your surroundings if you want to concentrate on your music, or allow ambient sounds in if you need to listen for announcements, or carry on a conversation with another person, without having to remove the earbuds. Firmware updates for the earphones are also available through the app. The app lets you monitor the battery level of the ear buds and the charging case at a glance. The Smart Control app is compatible with iOS devices running version 13.0 and later, and Android devices with version 8.0 and up.


  • Frequency Response: 5Hz - 21kHz
  • Transducer Size: 7mm
  • Total Harmonic Distortion (THD): <0.08% (1 kHz, 94dB)
  • Sensitivity: 107dB (1 kHz/1mW)
  • Ingress Protection: IPX4 (splash proof)
  • Dimensions:
    • Earbuds: 0.715" (w) x 0.852" (h) x 1.021" (d)
    • Charging Case: 2.752" (w) x 1.362" (h) x 1.751" (d)
  • Weight:
    • Earbuds: 0.2 ounces (each); 0.4 ounces (pair)
    • Charging Case: 2.35 ounces (2.75 oz with earbuds)

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