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Graphite true wireless earbuds in charging case

Sennheiser

Sennheiser MOMENTUM True Wireless 3 Graphite Canal Earphones

SKU CH-EA8M-29GYG

True wireless canal earphones with 7 mm dynamic drivers, hybrid adaptive noise cancellation and 28-hour total battery life

  • Driver size7 mm, TrueResponse, dynamic, closed-back
  • Frequency range5 Hz-21 kHz
  • Headphone style<0.08% (1 kHz / 94 dB SPL)
  • Audio sensitivity107 dB SPL (1 kHz / 1 mW)
  • Wearing styleCanal
  • Noise cancellationHybrid Adaptive ANC
  • 7 hours of music from a single charge
  • 28 hours total with the charging case
  • Hybrid Adaptive ANC adjusts to surroundings automatically
  • 7 mm TrueResponse driver covers 5 Hz to 21 kHz
  • 107 dB sensitivity with distortion below 0.08 %

True Wireless In-Ear Earphones

The Sennheiser MOMENTUM True Wireless 3 in Graphite are canal-style earbuds built for listeners who want high-fidelity sound without cables. A 7 mm TrueResponse dynamic driver delivers a frequency response of 5Hz-21KHz and a sensitivity of 107 dB SPL at 1 mW. Total harmonic distortion stays below 0.08% at 94 dB SPL.

Charging Case Extends Listening to 28 Hours

The supplied case holds built-in lithium-ion batteries that recharge the earbuds multiple times, raising total operating time from 7 hours on the buds alone to 28 hours combined. Each earbud weighs 0.20 oz while the case weighs 2.34 oz, making the bundle pocketable for daily carry. Microphones cover 100Hz-10KHz for clear calls and voice assistance.

Check Bluetooth Source Compatibility

Verify that your phone, tablet or computer supports Bluetooth audio streaming before purchase. The canal coupling relies on a secure in-ear seal for both sound isolation and effective Adaptive Noise Cancellation; users who dislike intra-aural fit or require wired connectivity should consider alternative form factors.

How it compares

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

Price $243.99
Pricier than about 90% of the 7,078 comparable items (median $25.99).

Specifications

Product
Brand nameSennheiser
Model nameMOMENTUM True Wireless 3
Product typeIn-Ear
Product colorGrey
Audio & video
Driver size7 mm, TrueResponse, dynamic, closed-back
Frequency range5 Hz-21 kHz
Headphone style<0.08% (1 kHz / 94 dB SPL)
Audio sensitivity107 dB SPL (1 kHz / 1 mW)
Wearing styleCanal
Noise cancellationHybrid Adaptive ANC
Mic frequency response100 Hz-10 kHz
Connectivity
Wireless technologyBluetooth
Power
Battery packBuilt-in Lithium-Ion rechargeable batteries
Run time(earbuds): 7 hrs
Operating time (charging case): 28 hrs
Size & build
Product weight(earbuds): 0.2 oz
Weight (charging case): 2.34 oz

Questions about this item

How long do the 7 mm TrueResponse drivers in the MOMENTUM True Wireless 3 last before they need replacement?

The 7 mm TrueResponse drivers are built into the earbuds and are not user-replaceable; the product is designed to last for the lifetime of the earbuds without driver maintenance.

What limits the continuous listening time of the MOMENTUM True Wireless 3 earbuds to 7 hours per charge?

The built-in lithium-ion battery capacity limits continuous playback to 7 hours; the charging case provides an additional 28 hours total before requiring a recharge.

How much heat or noise do the MOMENTUM True Wireless 3 earbuds produce during all-day use with Adaptive Noise Cancellation active?

The earbuds operate silently with no audible fan or coil noise; they remain at body temperature during extended use because the low-power Bluetooth and ANC circuitry generates negligible heat.

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