Since this is a translation of an overseas article, there may be some mistranslations.

https://www.ecoustics.com/reviews/sennheiser-momentum-5

Sennheiser MOMENTUM 5 Wireless: Has Sennheiser Just Threatened the HDB 630's Spot?

Will the Sennheiser MOMENTUM 5 Wireless, with its Dolby Atmos, aptX Lossless, enhanced ANC, and replaceable battery, deliver enough satisfaction at a price of $399?

The Sennheiser MOMENTUM 5 Wireless has been launched at a crucial moment for all premium noise-canceling headphone brands that cater to those who like to fall asleep comfortably at night. Sony has its new 1000X The ColleXion, Apple has finally unveiled the AirPods Max 2 and is moving forward, Bose continues to focus on noise cancellation with its latest QuietComfort Ultra Headphones, and Bowers & Wilkins' Px7 S3 continues to entice listeners who demand high-end transducers even in wireless headphones.

https://youtu.be/k0dA_IyFdeY

This is important because Sennheiser has been defending different areas of the headphone market for the past few years. One is the mainstream wireless category led by the MOMENTUM 4 Wireless, and the other is the more serious audiophile realm led by the HDB 630, which we have also reviewed, prioritizing sound quality over ANC performance or call quality.

MOMENTUM 5 Wireless: Maintaining the MOMENTUM 4 Formula While Adding More Control

MOMENTUM 5 (front)

Rather than replacing the basic formula, the MOMENTUM 5 Wireless builds upon the MOMENTUM 4 platform. This new model retains the 42mm transducers from the previous product, manufactured at Sennheiser's facility in Tullamore, Ireland, and uses tuning inspired by the company's HD 600 series headphones. Sennheiser describes this sound as rich with dynamic bass, suggesting continuity with the MOMENTUM lineup rather than a major sonic overhaul.

The more practical news is the user-replaceable 700mAh battery, which offers a true longevity advantage over competitors who treat the $399.99 MOMENTUM 5 Wireless as a countdown timer to the next purchase. Instead of pushing consumers towards the next model when battery life starts to dwindle, Sennheiser empowers owners to continue using the headphones they've already paid for.

Codecs and wireless features have also been updated. The MOMENTUM 5 Wireless supports Bluetooth codecs including Hi-Res Audio certification, Snapdragon Sound, and aptX Lossless. Launching with Bluetooth 5.4, Sennheiser states that the hardware is designed to support Bluetooth 6.0 through future firmware updates.

Noise cancellation has been improved with more microphones. Sennheiser explains that the MOMENTUM 5 Wireless uses four microphones per side for ANC and transparency functions, doubling the number of microphones used for this task. The company claims that the new system is up to three times more effective at reducing distracting conversations from nearby people, along with reducing airplane cabin noise and improving voice quality during calls.

The Arrival of Spatial Audio, But the Replaceable Battery May Be More Important

Spatial audio is included but with some conditions. Dolby Atmos with head tracking will be activated through a firmware update on the launch day of Sennheiser's Smart Control Plus app. It requires an Atmos-supporting source device and supported Atmos content.

This includes recent iPhones, iPads, Macs, Apple TV 4K, many newer Android phones, Fire TV devices, and other popular devices such as streaming services or computers that support Dolby Atmos playback through services like Apple Music, Amazon Music Unlimited, TIDAL, Netflix, Disney+, or Max. The MOMENTUM 5 Wireless can handle this feature, but the phone, app, subscription tier, and content all need to be in sync. As we like it or not, audio remains a team sport.

Support for Dolby Atmos encoded content streamed through TIDAL worked flawlessly right out of the box, but head tracking was not yet active during my review period.

Battery life still plays a significant role. Sennheiser rates the MOMENTUM 5 Wireless's battery life at up to 57 hours per charge with ANC enabled. The bigger practical change is the user-replaceable 700mAh battery, which can be swapped out with a small Phillips head screwdriver.

While that 60-hour battery claim looks impressive on paper, it came in slightly lower for me in real-world use. After listening in various ways over several weeks, I averaged closer to 53-54 hours depending on volume, source device, codec support, and whether I was streaming music from TIDAL and Qobuz or watching movies and TV shows on my iPad Pro.

Battery drain varied from device to device. My iPhone 14, iPhone 17, and iPhone X drained the battery somewhat faster, whereas the borrowed Samsung phone came closer to the upper limit of the specifications provided by Sennheiser. When streaming high-resolution content on Qobuz and Tidal, the numbers dropped slightly, which is exactly what you'd expect when the headphones are required to do more work than just sipping compressed audio through a straw.

With ANC enabled, especially in Adaptive or Custom mode, it's best to set realistic expectations closer to 51-52 hours. That's still excellent. I used the Momentum 5 Wireless on NJ Transit trains, and inside the walking migraine of a space called 'American Dream' where about 150,000 people on Memorial Day Sunday tried to turn a shopping mall into a survival documentary, and during a United flight that departed Las Vegas, was delayed, passed through Houston's George Bush Airport, transited through Dulles in Northern Virginia, and finally arrived in Newark after approximately 17 hours.

After seeing The Wizard of Oz at the Sphere in Las Vegas, I thought Dorothy had really gone through a tough journey. Turns out all she needed was a pair of red shoes and a unionized gate agent.

The practical conclusion is simple. The Momentum 5 Wireless has more than enough stamina to withstand a week of commuting, travel, office use, and the kind of airport ordeal that makes you question every life decision made after booking economy seats. For anyone who treats wireless headphones as a workhorse you use every day rather than a delicate audio objet d'art, battery life is one of the strongest reasons to consider this product.

Build Quality, Comfort, and a Travel Case That Actually Saves Space

The Momentum 5 Wireless folds flat for travel, which helps, but it doesn't feel as premium in hand as the Bowers & Wilkins Px7 S3 or Px8 S2. Those remain in my daily rotation alongside the HDB 630, and Bowers still has the edge in materials and more refined luxury feel. Sennheiser's build quality is still quite solid, but more practical than luxurious.

The headband uses braided cloth on top and padding on the bottom, and on my head, the Momentum 5 Wireless feels very similar to the HDB 630. The difference is that the HDB 630 uses the same synthetic leather material on both the inside and outside of the headband, giving it a slightly different feel. Both are light and easy to wear, and neither feels like it was designed by someone who believes discomfort builds character.

The ear pads have the same basic issue I noticed with the HDB 630. They're soft and comfortable, but I wish they were a bit firmer. Also, after about 30 minutes, especially during commutes or long listening sessions, your ears get warm. It's not unbearable or deal-breaking, but it's noticeable.

The clamping force is generally similar to the HDB 630 and less tight than Bowers & Wilkins models. This matters because I'm a big dude who moves through trains with considerable force and still tries to maintain the stealthy profile of a ninja tired of NJ Transit. The Momentum 5 Wireless stays securely in place without feeling clamped, which is the balance you want in travel headphones actually meant to be used rather than living in a review drawer.

Sennheiser also reduced the overall travel footprint. The Momentum 5 Wireless's carrying case is 20% smaller, and the packaging is now smaller and plastic-free. Inside the case, Sennheiser includes a USB Type-C charging cable and a 3.5mm analog audio cable, so wired listening is still possible for laptops, in-flight entertainment systems, and other legacy sources that stubbornly refuse to quietly die.

Case comparison: Sennheiser HDB 630 (left) vs Momentum 5 (right)

Compared to the case that comes with the more expensive HDB 630, the Momentum 5 Wireless case is noticeably smaller, which matters when the headphones need to fit into a backpack, carry-on luggage, or a personal item bag that's already pretending it's not full. Both models fold, so neither is a travel disaster, but the Momentum 5 Wireless is definitely the more compact option.

The accessory package is where the price difference starts to make more sense. The HDB 630 includes additional components like an airplane adapter and Sennheiser's BTD 700 USB adapter, but the Momentum 5 Wireless does not. This makes the HDB 630 a better-equipped package for listeners who want more connection options straight out of the box, while the Momentum 5 Wireless keeps things simpler, smaller, and more mainstream.

Momentum 5

The Smarter App, The Stronger ANC

The companion app also gets more control features. The new Smart Control Plus app includes an 8-band EQ, user presets, and Sennheiser's Sound Personalization system. This is supposed to give listeners more flexibility than a few preset tuning modes, and it will be especially useful for those who liked the Momentum 4 but wanted finer adjustments.

One of the stronger aspects of the Momentum 5 Wireless experience is Sennheiser's Smart Control Plus app. This was already a highlight on the HDB 630, and it carries over here. The app feels comprehensive without being homework-like, and it worked flawlessly during my testing period with both Sennheiser models.

The level of control is a real win. You're not stuck with a blunt choice between full ANC and Transparency mode. With the Momentum 5, you can adjust the noise cancellation level, activate or deactivate Anti-Wind in ANC mode, manage multipoint connections, and even turn individual tiles on or off in the app depending on the features you actually use. The last part might sound trivial until you've used enough headphone apps that feel like they were organized by a committee after a three-hour boozy lunch.

ANC performance is also very strong. The Momentum 5 Wireless did an effective job of reducing the usual low-level misery of commuting noise, conversations, and general ambient sounds from trains, airports, and crowded public places. More importantly, it doesn't ruin the sound. While ANC does slightly reduce openness and detail and tightens up the presentation a bit, the damage is minimal.

I still prefer to listen with ANC off when the environment allows it because the Momentum 5 sounds more open and natural that way. But Sennheiser has made ANC useful without isolating you from your music.

Momentum 5 (Side)

Buttons, Touch Sensors, and Real-World Use

The Momentum 5 Wireless and the HDB 630 are very similar in terms of controls, which is generally a good thing. Sennheiser keeps things simple with a power button that also handles pairing, the expected USB-C connection for wired listening, and a 3.5mm analog input. Nothing exotic here, and no one needs a treasure map to find the ports.

Touch controls are where things get more personal. Sennheiser's system works, and I'll give them full marks for it. Playback, volume, track skipping, calls, ANC, and Transparency mode can all be handled from the earcups, and my gestures responded reliably during testing. Transparency mode is activated with a double tap, which is handy when someone suddenly decides your headphones are an invitation to start a conversation.

That said, I'm still a fan of the app. The controls aren't bad, but after switching between multiple headphones and wireless earbuds that have taps, swipes, pinches, holds, and "wait, were there two fingers or three?" secret handshakes, it can be a lot to remember. At some point, you're not controlling your headphones anymore; you're auditioning for a local extreme mime acting troupe.

Sennheiser's Smart Control Plus app is a better fit for how I actually use headphones. It's clean and comprehensive, and it's easier to just open the app and adjust things than to try to perform a finger twister game next to your head while standing on a train platform or walking through a crowded terminal.

As for phone calls, the Momentum 5 can handle them, but I fundamentally object to taking calls through headphones or earbuds unless absolutely necessary. That's not Sennheiser's fault. It's a "please don't make me listen to someone having a business call next to an avocado" problem.

BTD 700 Dongle: Great Idea, Rough Landing with the Momentum 5

The Momentum 5 Wireless has a stronger codec story than the HDB 630 in one key aspect. In addition to the usual Bluetooth basics, it supports aptX Lossless, but LDAC support is still missing. That might not be a big deal for Android users with the right hardware. For Apple users, things are more complicated since iPhones and MacBooks still don't natively support aptX.

Sennheiser BTD 700 USB-C Dongle

That's where Sennheiser's BTD 700 USB-C dongle is supposed to come in. It acts as an external Bluetooth transmitter, bypassing your device's built-in Bluetooth stack and handling high-quality codec support directly. In theory, it's a very useful add-on for getting better wireless performance from laptops, tablets, and phones that would otherwise be stuck with more limited Bluetooth options.

The problem is that my experience with the BTD 700 and Momentum 5 Wireless wasn't clean. I experienced audible distortion when using it with both my iPhone and MacBook. That's not exactly the "high-resolution" experience anyone is looking for.

Sennheiser has confirmed they are working on a fix, so this issue may be solvable through a firmware update. But as of my testing, it was a real problem. The Momentum 5 Wireless still supports aptX Lossless, which is a potentially meaningful feature in theory and practice. However, the BTD 700 experience needs refinement before I can call it a slam dunk. Great concept; right now, there are just too many gremlins lurking inside the machine.

Listening

Momentum 5 earcup

Momentum 5 Wireless and HDB 630 are cut from the same Sennheiser cloth, and anyone expecting two completely different headphones will be disappointed. Or relieved. They share a lot of the same DNA: excellent clarity, a largely linear tonal balance, a strong midrange presence, and a preference for detail and space over cheap bass tricks. We can be thankful that Sennheiser didn't make the Momentum 5 a gym-rat headphone that shakes your skull.

But there are differences, and they are important.

While the HDB 630 is slightly more restrained and studio-centric in its tendencies, the Momentum 5 Wireless brings a bit more weight and punch to the low end. It's not going to rearrange your dental work, but there's more definition, punch, and authority in the lows than what you heard from the HDB 630. Green Day's "Jesus of Suburbia" and "21 Guns" still had the clarity, imaging, and soundstage that made the HDB 630 so easy to love, but the Momentum 5 added a bit more drive underneath the guitars and drums. It wasn't bloated. It wasn't foolishly boosted. It was just more physical.

That difference became clearer with Daft Punk's "Get Lucky" and "Giorgio by Moroder." The HDB 630, for a closed-back wireless headphone, remarkably presents those tracks with an open, almost studio monitor-like soundstage. The Momentum 5 retains that Sennheiser clarity while adding more rhythmic grip and low-end definition. The groove lands with more confidence, which is important because the whole point of those tracks is to make you forget whatever dumb thing you were supposed to be doing for the next six minutes.

Sennheiser HDB 630 Wireless Headphones and Travel Case

Sia's "Unstoppable," "Cheap Thrills," and "Breathe Me" pushed the Momentum 5 in another direction. Those tracks are a fun little reminder that love, betrayal, and emotional turmoil can come with excellent production value. Her vocals were cleanly centered and easy to follow, with enough texture to maintain the emotional weight. "Breathe Me," in particular, showcased the Momentum 5's ability to keep the vocals intimate without making the presentation syrupy sweet.

Massive Attack's "Teardrop" also favored the Momentum 5's added low-end definition. The pulsing bass had more shape and authority through the Momentum 5 than the HDB 630, and the vocals hung in the mix with the ghostly quality the track requires. Again, this isn't basshead territory. Sennheiser isn't auditioning for a parking lot SPL contest. But the Momentum 5 delivers more punch where the HDB 630 sometimes felt a bit polite.

Disturbed's cover of "The Sound of Silence" truly revealed the differences. David Draiman's voice needs weight, control, and scale, and the Momentum 5 gave it more physical presence than the HDB 630. The power in his delivery landed harder, especially when the arrangement built to a crescendo. Draiman is also a full-on mensch and personal hero of mine, so I wasn't exactly approaching that track with emotional neutrality. Nevertheless, the Momentum 5 handled the vocal intensity without turning the whole thing into a Bluetooth melodrama or fuzzing out the edges.

One tradeoff is the treble. On some of the same tracks I used with the HDB 630, the Momentum 5 Wireless sounded slightly harder through the highs. Not piercingly bright, and not sharp enough to start a negotiation with my ears, but it's there. The HDB 630 has a bit more refinement and composure up top, while the Momentum 5 trades some of that smoothness for greater bass impact and a more energetic overall presentation.

That's really the one-sentence takeaway from this comparison: the HDB 630 is more restrained, refined, and audiophile-leaning, while the Momentum 5 Wireless gets very close in terms of clarity and tonal balance but adds more bass definition, more punch, and a bit more everyday fun. Sennheiser might have created a problem for itself here because the less expensive headphone doesn't sound inferior in every category.

Momentum 5

Conclusion

The Sennheiser Momentum 5 Wireless is not a dramatic reinvention, but it doesn't need to be. The important upgrades are practical and pleasing to the ear: Dolby Atmos with head tracking included, stronger ANC with four microphones per side, aptX Lossless, Hi-Res Audio certified, 8-band EQ, and a user-replaceable 700mAh battery. That battery gives the $399.99 Momentum 5 a true longevity advantage in a category where too many brands still treat battery wear as your problem.

What's missing? LDAC is still absent, the BTD 700 dongle issue needs fixing, and the Momentum 5 doesn't come with the same accessory package as the more expensive HD 630. The build is solid, comfortable, and travel-friendly, but it doesn't feel as premium as the Bowers & Wilkins Px7 S3 or Px8 S2.

Should you buy this instead of the HD 630 and save some money? For many listeners, the answer is 'yes.' The HD 630 still has a more refined, audiophile-oriented presentation, but the Momentum 5 delivers surprisingly close performance with stronger bass impact, excellent ANC, better travel size, and a lower price. This makes it one of the most compelling wireless headphones in the $350-$450 range, and anyone shopping in that price bracket should put it on their audition list before automatically giving approval to Sony, Bose, Apple, or Bowers.

Pros:

-- Powerful clarity, detailed playback, and linear tonal balance

-- Delivers more bass impact and definition than the HD 630 without turning into a muddy mess

-- Excellent ANC performance that doesn't seriously compromise sound quality

-- Smart Control app is comprehensive, stable, and genuinely useful

-- Adjustable ANC, anti-wind mode, multipoint connection, and customizable app tiles

-- Dolby Atmos support worked properly with Tidal during testing

-- aptX Lossless support offers a stronger codec story than many competitors

-- User-replaceable 700mAh battery is a big win for long-term ownership

-- Real-world battery life is still excellent, though lower than claimed maximums

-- Lightweight and comfortable fit with solid build quality

-- Folds flat and comes with a noticeably smaller travel case compared to the HD 630

-- Strong value proposition with a $399.99 price tag for its performance level

Cons:

-- No LDAC support

-- BTD 700 USB-C dongle introduces distortion when used with iPhones and MacBooks

-- Head tracking was not active during the review period

-- Treble may sound slightly harsher on some tracks compared to the HD 630

-- Doesn't feel as premium as the Bowers & Wilkins Px7 S3 or Px8 S2

-- Earpads could be a bit firmer

-- Pads get warm after about 30 minutes of use

-- No airplane adapter or BTD 700 USB adapter included like with the HD 630

-- Touch controls work, but remembering all the taps, swipes, pinches, and gestures is still a pain point

Price and Release Date

The Momentum 5 Wireless will be available in black, white, and denim finishes for $399.99, with a US release date starting June 16, 2026, through the Sennheiser website and select retailers.

▶ Source: https://www.ecoustics.com/reviews/sennheiser-momentum-5