The 42mm dynamic drivers are a meaningful part of that story, delivering a frequency range of 6Hz to 22kHz that captures both the deep sub-bass rumble in electronic music and the fine harmonic detail in acoustic recordings that smaller drivers tend to smear.

AptX Adaptive Bluetooth helps maintain that audio quality wirelessly, adjusting the bitrate dynamically so that the signal holds up even when you are moving through environments with heavy wireless interference, like a crowded commuter train or a busy airport.

Adaptive noise cancellation handles the environmental side of things, and the transparency mode lets you flip back into the world around you without removing the headphones, which matters when you are navigating a city or need to catch a platform announcement.

Four beamforming microphones handle calls with enough directional precision to suppress wind and ambient noise independently, so the person on the other end hears your voice rather than the background of wherever you happen to be.

Battery life is where the 4.5-star Momentum 4 genuinely separates itself from the competition in this category, with 60 hours of playback on a single charge, meaning most users will go weeks between top-ups under realistic daily use patterns.

The foldable design and included carry case make the headphones practical for travel as well, and the package also includes a USB-C cable and a 3.5mm to 2.5mm audio cable for wired listening when Bluetooth is not an option.

Sennheiser’s Smart Control Plus app rounds out the experience, giving you access to a parametric equaliser, preset sound modes, and granular controls over noise cancellation and transparency levels.

For commuters and frequent travellers who will lean on both the ANC and the battery capacity daily, the Momentum 4 at $199.95 represents one of the strongest value propositions currently available in the premium over-ear headphone market.