

I'd say the Momentum 4's sound quality is right there with other models in this price range - they sound excellent, with the requisite well-defined, punchy bass, relatively wide soundstage (they sound pretty open) and smooth treble that brings out some of the finer details in well-recorded tracks.
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There's also a transparency mode that allows ambient sound in, as well as the ability to create a custom sound profile in the Smart Control app for iOS and Android using the built-in EQ, sound modes and a new Sound Personalization feature that "assesses the user's listening preferences and adjusts the listening experience according to their taste."Įquipped with 42mm drivers, Sennheiser says the Momentum 4 Wireless offer "best-in-class" sound, which is debatable.

The Momentum 4 Wireless offers superior performance over the Momentum 3 Wireless in every regard, though the biggest gains are with noise canceling and voice-calling performance as well as battery life, which is outstanding - up to 60 hours at moderate volume levels.
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Read our full review of the QuietComfort 45. They also include top-notch noise canceling and multipoint Bluetooth pairing, so you can connect them with a PC and your phone simultaneously. They're similar to the Bose Headphones 700 in that regard. These headphones are excellent for making calls.

(The Bose Noise Canceling Headphones 700 also have six microphones total.) By contrast, the QC35 II has a total of four, two of which are used for voice. Not only have the mics been shifted on the headphones, but there's now an extra external microphone for voice pick-up, which means the QC45 has a total of six microphones, four of which are beamforming and used for voice. Secondly, the microphone configuration is different. First off, these thankfully have USB-C instead of micro-USB. However, there are small but notable changes. It has the same drivers, according to Bose, and the buttons are in the same place. The QuietComfort 45 has virtually the same design as its predecessor, the QuietComfort QC35 II, which many people considered one of the most comfortable over-ear headphones - if not the most comfortable.
