Sennheiser MOMENTUM 4 Wireless / Apple AirPods (3rd generation)

Sennheiser MOMENTUM 4 Wireless: MOMENTUM 4 Wireless over-ear wireless headphones; Black (509266), White (509267), Graphite (700383) and later Brown, Teal, Copper and Denim colours. MOMENTUM True Wireless in-ear models and MOMENTUM 3 Wireless are separate products.

Apple AirPods (3rd generation): AirPods (3rd generation) launched in 2021 with the MagSafe Charging Case; from 2022 a version with the Lightning Charging Case was also sold. The earbuds are the same with either case. AirPods 4, AirPods 2 and AirPods Pro are separate models.

SpecificationSennheiser MOMENTUM 4 WirelessApple AirPods (3rd generation)
Release year20222021
TypeAround-ear, closed-back, wireless; active noise cancelling

The ear pads fully surround the ear; Sennheiser cites a lightweight design, padded headband and deep cushioned earpads for long-wear comfort.

Sennheiser
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Driver and frequency response42 mm dynamic driver; 6 Hz–22 kHz; 106 dB SPL (1 kHz / 0 dB FS)

The frequency range describes measurement limits; the sound you hear is also shaped by the in-app equaliser and sound personalisation.

Sennheiser
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ImpedanceActive 470 Ω, passive 60 Ω Sennheiser—
Noise cancelling and microphonesAdaptive hybrid ANC; 4 microphones in total (2 per side, MEMS, beamforming; 50 Hz–10 kHz); anti-wind mode; transparency mode

Hybrid ANC uses both outer and inner microphones; adaptive mode changes the level of cancellation to match ambient noise.

Sennheiser
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Bluetooth and codecsBluetooth 5.2, Class 1; A2DP, AVRCP, HFP; SBC, AAC, aptX and aptX Adaptive

aptX Adaptive works only with Android phones that support it; iPhones use AAC. Multipoint connections are managed in the app.

Sennheiser
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Battery and charging700 mAh lithium-ion; up to 60 hours with noise cancelling on; full charge in about 2 hours; up to 4 hours from 5 minutes of charging; USB-C 5 V 800 mA

Sennheiser says the 60 hours was measured with an iPhone at medium volume; higher volume and aptX Adaptive can shorten it.

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Wired useHi-res digital audio over USB-C; 3.5 mm / 2.5 mm analogue cable

When listening over USB-C, the headphones decode digital audio internally; the analogue cable works even with a flat battery.

Sennheiser
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Controls and appTouch surface on the right cup; Smart Pause wear detection; Auto On/Off; 5-band equaliser and Sound Personalization in the Smart Control app

Smart Pause stops playback when the headphones are taken off and resumes when they are put back on; Auto On/Off shuts them down to save power when not in use.

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In the boxCarry case; USB-C charging cable; audio cable with 3.5 mm and 2.5 mm jacks; airplane adapter Sennheiser—
Water resistanceNo IP rating listed

With no certification against sweat or rain, care is needed when it gets wet during exercise.

Sennheiser
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Design and fit—Open-fit in-ear design without silicone tips; short stem

Because the earbud does not seal the canal, ambient sound is heard; fit depends on ear shape and there are no interchangeable tips.

Apple
Audio technology—Custom high-excursion Apple driver; custom high dynamic range amplifier; Personalised Spatial Audio with dynamic head tracking; Adaptive EQ

Adaptive EQ measures what is heard in the ear with the inward-facing microphone and adjusts the tuning to the fit in real time. Head tracking anchors sound to the Apple device’s screen. There is no active noise cancellation or transparency mode.

Apple
Chip and connectivity—H1 headphone chip; Bluetooth 5.0

Automatic device switching, “Hey Siri” and one-tap pairing work with Apple devices.

Apple
Sensors and microphones—Dual beamforming microphones, inward-facing microphone, skin-detect sensor, motion and speech-detecting accelerometers, force sensor

The skin-detect sensor pauses playback when an earbud is removed.

Apple
Controls—Press the stem once to play/pause or answer a call; twice to skip forward or end a call; three times to skip back; press and hold for Siri

There is no on-bud volume control.

Apple
Battery—Up to 6 hours of listening per charge (5 hours with Personalised Spatial Audio on); up to 30 hours with the case; 5 minutes in the case ≈ 1 hour of listening Apple
Charging case—MagSafe Charging Case (MagSafe, Qi and Lightning) or Lightning Charging Case

The included cable is Lightning to USB-C; there is no adapter.

Apple
Sweat and water resistance—IPX4: earbuds and charging case

IPX4 protects against splashes; it is not for submersion.

Apple
Size and weight—Earbud (each): 30.79 × 18.26 × 19.21 mm, 4.28 g; case: 46.40 × 54.40 × 21.38 mm, 37.91 g Apple