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Black true wireless earbuds in compact charging case

Sennheiser

Sennheiser M3IETW BLACK True Wireless Earbuds accessory

SKU CH-4VD4-4HKDX MPN M3IETW BLACK

True wireless earbuds with Bluetooth 5.0, aptX Low Latency, 5Hz-21KHz response and 12-hour case battery

  • Frequency range5 Hz-21 kHz
  • Headphone style<0.08% (1 kHz / 94 dB)
  • Audio sensitivity94 dB S.P.L. at 1 kHz
  • Wireless technologyBluetooth 5.0
  • Mic frequency response100 Hz-10 kHz
  • Product typeTrue Wireless
  • Exceptional stereo clarity from Sennheiser audiophile drivers
  • Bluetooth 5.0 with aptX Low Latency for lip-synced audio
  • Two-mic beamforming gives clear calls and voice assistant access
  • Transparent Hearing lets ambient sound in without removing buds
  • Up to 12 hours total playtime with compact charging case

Momentum True Wireless earbuds

Sennheiser M3IETW BLACK are true wireless earbuds built for listeners who want premium stereo sound without cables. Bluetooth 5.0 and Qualcomm aptX Low Latency keep audio and video in sync. The 5 Hz to 21 kHz frequency response and sub-0.08 % distortion deliver the clarity the series is known for.

Charging case and Smart Control app

The compact case stores the buds and adds enough power to push total listening time past 12 hours. Touch pads on both earpieces handle playback, calls and voice-assistant access with a single tap. The Sennheiser Smart Control app adds a built-in EQ so you can tune the sound signature to your taste.

Transparent Hearing for awareness

Transparent Hearing pipes outside sound through the microphones so you stay aware of traffic or conversations without removing the buds. Dual-microphone beamforming keeps voice pickup clear for calls and assistants. Buyers who need active noise cancellation or significantly longer single-charge endurance should look elsewhere.

How it compares

Measured against everything we stock in Earbuds & Over-Ear Headphones, at today’s prices. Recalculated every night.

Price $246.99
Pricier than about 90% of the 7,078 comparable items (median $25.99).

Specifications

Product
Brand nameSennheiser
Model nameM3IETW BLACK
Product typeTrue Wireless
Product colorBlack
Audio & video
Frequency range5 Hz-21 kHz
Headphone style<0.08% (1 kHz / 94 dB)
Audio sensitivity94 dB S.P.L. at 1 kHz
Mic frequency response100 Hz-10 kHz
Connectivity
Wireless technologyBluetooth 5.0
Size & build
Shipping weight0.27 kg
Package size180 × 86 × 66 mm

Questions about this item

How long does the battery last before the charging case needs a recharge?

The earbuds give up to 4 hours of playback and the case extends total listening time to more than 12 hours before the case itself must be recharged.

What limits continuous listening time the most?

The earbud battery reaches its 4 hour limit first; after that the case must top them up for further use.

Do the earbuds get warm or noisy during all day use with the case?

They are passive audio devices with no fans or moving parts so they produce no audible noise and generate no noticeable heat during extended wear.

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