Sennheiser Momentum 4 by Sonova - ANC headphones now tie deeper into hearing health

The Sennheiser Momentum 4 Wireless sits soft and cool against the ears, fabric headband brushing your fingertips as you adjust the fit on a crowded commuter train. Music fades in, the carriage noise drops away, and Sonova’s consumer audio strategy becomes very real.

What the Momentum 4 actually offers

At its core, the Sennheiser Momentum 4 Wireless is an over-ear Bluetooth headphone with adaptive active noise cancelling, designed for everyday listening rather than studio work. Sennheiser specifies up to 60 hours of battery life with ANC turned on, a value that independent reviewers have broadly confirmed in mixed-use testing.

The headphones support Bluetooth 5.2 and key audio codecs including SBC, AAC, aptX and aptX Adaptive, making them usable with both mainstream smartphones and higher-end Android devices. A companion Smart Control app lets users tweak the EQ, enable transparency mode and save custom sound presets for different environments.

Design choices under Sonova’s umbrella

When Sonova closed its consumer audio deal with Sennheiser in 2022, product management teams had to ensure that the Momentum line kept its recognizable look while reflecting Sonova’s expertise in hearing and ergonomics. Product lead Andreas Bahls has highlighted in interviews that comfort and long-wear stability were high on the requirements list for Momentum 4, especially for commuters and home-office users.

Weight comes in at roughly 293 grams, placing the Momentum 4 in the mid-field of over-ear models. The fabric-covered headband and generous memory-foam pads distribute that weight over a broad surface, which you feel as a diffuse, even pressure rather than a sharp clamp on the temples. A fold-flat design means the cups rotate to lie flat in a bag, even though the older Momentum 3’s full hinge-folding has been dropped.

Sound, ANC and everyday performance

On the sound side, Sennheiser continues to use a 42 mm dynamic driver, tuned for a slightly warm, consumer-friendly frequency response with present bass and a smooth treble region. Detailed measurements by specialist sites show a mild mid-bass lift and restrained upper treble that many casual listeners perceive as non-fatiguing.

The adaptive ANC system uses microphones on and inside the ear cups to analyze ambient noise and shape the cancellation profile accordingly. In everyday terms, that means a low subway rumble sinks to a soft murmur, while keyboard clatter in an open-plan office becomes less distracting but usually does not vanish completely.

Controls, app and smart features

Sennheiser moved from a button cluster to a mix of minimal physical buttons and touch controls on the Momentum 4’s right earcup. Swipes adjust volume and track position, while taps handle playback and calls; users can tailor some of these actions in the Smart Control app on iOS and Android.

Smart Pause uses built-in sensors to detect when you take the headphones off, automatically pausing playback and resuming when you put them back on. There is also multipoint connectivity, so you can keep a laptop and phone connected at the same time, switching audio streams without digging through Bluetooth menus.

Battery life, charging and durability

Battery performance is one of the Momentum 4’s headline specs. Sennheiser claims up to 60 hours of playback with ANC active at moderate volume. Several independent tests report between 50 and 60 hours in realistic scenarios, including mixed music, podcasts and calls.

Charging happens via USB-C, and a quick-charge function provides around 6 hours of listening after 10 minutes on the cable, according to Sennheiser’s documentation. The headphones do not have a formal IP rating for water resistance, so they are usable outdoors but not designed for heavy rain or sweaty workouts.

Pricing, availability and positioning

On Sennheiser’s official shop, the Momentum 4 Wireless lists at an MSRP of around 349 EUR in Europe, with regional variations and frequent promotional discounts at retailers. Color options usually include classic black and a lighter white or gray variant, both with fabric headbands.

The model sits in the same competitive bracket as Bose QuietComfort models and Sony’s WH-1000X series, which means Sonova’s consumer audio unit competes directly for premium-commuter budgets. For Sonova, every Momentum 4 sold also supports the broader brand presence that can feed awareness for its hearing-aid lines and emerging hearables.

Relevance for Sonova and the stock

Sonova’s acquisition of Sennheiser’s consumer business extended its reach from classic medical hearing-care into lifestyle audio, giving the group a second consumer-facing pillar alongside Phonak hearing aids. Products such as the Momentum 4 Wireless complement Sonova’s own speech-focused hearables by anchoring the Sennheiser name in mainstream electronics shelves.

On SIX Swiss Exchange, Sonova Holding AG stock (ISIN CH0012549785) reflects expectations for both its traditional hearing-care segment and the younger consumer audio business that includes the Sennheiser Momentum 4 Wireless.

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