Momentum 4 Wireless Headphones For Audiophiles

Product highlights

• closed-back, over-the-ear design

• Bluetooth 5.2 for wireless music listening and phone calls

• aptX® and AAC decoding provides high-quality music streaming from compatible devices

• aptX Adaptive automatically adjusts to prioritize audio quality or low latency, depending on the listening situation

• 42mm drivers tuned for accurate, detailed sound across a wide frequency range

• streamlined build and design with relaxed fit and premium fabric headband liner

• soft, deep cushioning on headband and ear pads

• headband does not fold up

• adaptive hybrid noise-canceling circuitry automatically adjusts to the level of external sound

• uses a four microphone system to analyze your surroundings in real time

• adjustable Transparency mode lets you hear external sounds and voices

• earcup touch controls let you answer calls, play/pause music, skip tracks, and control volume

• two taps on right earcup toggles noise cancellation and Transparency mode

• available for Apple® and Android™

• dedicated earcup button summons your phone's voice assistant

• free Sennheiser Smart Control app for Apple and Android allows you to adjust settings and customize the sound

• choose level of noise cancellation or ambient sound

• optional sound personalization uses a guided listening test that helps tailor the sound to your preferences

• built-in rechargeable battery offers up to 60 hours of wireless use with noise cancellation

• 5 minutes of recharging provides enough power for 4 hours of listening

• USB-A to USB-C charging cable

• detachable cable with 3.5mm miniplug connector for wired use

• airplane adapter

• zippered carrying case

• frequency response: 6-22,000 Hz

• sensitivity: 106 dB

• impedance: 470 ohms (active); 60 ohms (passive)

• warranty: 2 years

What's in the box

• Over-ear wireless headphones (black)

• 49" Audio cable (straight 2.5mm plug on one end and right angled 3.5mm plug on other end)

• Airplane adapter (female 3.5mm jack-to-dual male 3.5mm plug)

• 49" USB charging cable (Type A USB on one end and USB-C on other end)

• Zippered storage case

• Quick Guide

• Smart Control info

• Safety Instructions

• Compliance Information

About this item

Written by Crutchfield's Jeff Miller

The Sennheiser Momentum 4 wireless noise-canceling headphones sport a sleek, lightweight design.

More than just a cosmetic makeover

Sennheiser has made some huge changes for the fourth generation of their popular Momentum noise-canceling over-ear headphones. The most obvious is the look — instead of the retro styling, these headphones sport a modern industrial design. But I've auditioned them for about a week and found there are even more updates and upgrades beneath the surface.

The Momentum 4 headphones offer touch controls, stronger noise cancellation, and play music wirelessly via Bluetooth 5.2 — the latest and most reliable version of Bluetooth available. I was able to keep my phone at my home office desk and walk all around the house without an audio dropout. And thanks to their extended battery life — up to 60 hours — I haven't had to recharge them yet.

Premium build, relaxed fit

The new redesign offers some perks I could feel. Sennheiser is using lightweight, yet durable materials, and their soft ear pads hugged my ears and sunk right into place. It was a relaxed, secure fit from the start, that I appreciated even more the longer I wore them.

Sennheiser also managed to preserve a bit of the retro charm that's made Momentum franchise such a hit. The headband is smooth and soft on the inside but sports a designer fabric on the outside. It feels as pleasant as it looks and is punctuated by a small Sennheiser logo.

Sennheiser's best noise cancellation yet Sennheiser has always been a front-runner when it comes to noise cancellation. And the Momentum 4s offer the most "quiet" I've heard from them yet. These headphones silenced my laundry room's noisy appliances — so much so, I had to lift an earcup to make sure my dryer and dehumidifier were both still running. And that was before I even hit play on my music! These headphones have newer processing and circuitry that work together with four built-in microphones. They can better read external sounds and distractions, then adjust the amount of noise cancellation in real time.

Smooth Sennheiser sound

There's one area where Sennheiser felt no drastic change was needed: sound quality. The 42mm drivers delivered the smooth, well-balanced tuning I expected. Bass has impact but doesn't overpower everything else. There's detail in the highs, but never it never sounds harsh.

Meanwhile, the midrange occupies an interesting place in the mix. Some vocals and instruments come across laid back, like you're sitting further away. I had just finished auditioning a set of headphones with a more prominent vocal presence, so it took me a few songs to adjust. Once I did, I grew to appreciate how the relaxed presentation matched the fit and feel — it all felt so effortless.

Optional mobile app

That said, you can personalize the sound with Sennheiser's Smart Control app. It's a free download for Android and Apple, and lets you adjust the EQ manually or choose from a few presets. You can also choose the level of noise cancellation or ambient noise you allow in.

Control music, calls, noise cancellation, and more by tapping and swiping the earcups.

Easy controls and clear calls

You have touch control over noise cancellation, music, volume, and calls. The field next to my house is close to interstate 64, so I went over there to test the built-in mics. I called my wife and even next to the busy road, she said my sounded as clear and crisp as it does inside the house. And I heard her with no problem, too.

Stay aware when you're out and about

When you need to be aware of your surroundings, you can double tap the right earcup. This turns off the active noise cancellation and activates "Transparency" Mode. It uses the built-in mic to increase the volume of ambient sounds, so you can hear what's going on around you.

(Another nifty touch: the headphones will automatically pause your music when you remove them. Then they'll resume playing when you put them back on.)

Strong, high-quality wireless audio

Along with Bluetooth 5.2, aptX® Adaptive technology is on board. This versatile wireless audio codec automatically detects if you're in an area with competing Bluetooth signals, and it will optimize either reliability or sound quality accordingly. It can also sense when you're watching a video on, say, Netflix or YouTube, and keep latency low. So, the audio and video should be better synced up.

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