When Sony debuted its ULT lineup of speakers and headphones last week, it took the first step towards a big change on naming its products. For years, the company has used an awfully confusing mix of letters and numbers, some of which are just one letter off from products with entirely different designs. You’ll no longer have to remember something like WH-B910N to find the headphones you’re hunting for as the new names make it immediately apparent what product you’re reading about.

The ULT line of audio gear is replacing the Extra Bass brand Sony has used for several years. Described as the “ultimate step into the evolution” of its portable audio devices, ULT Power Sound is an improved progression of the low-end boost the Extra Bass products offered. ULT breaks down even further into Tower (large party speakers), Field (smaller, portable Bluetooth speakers) and Wear (headphones). I’ll concede that Field is a bit obscure at first glance, but at least Tower and Wear accurately describe the products bearing those labels. All three are a massive upgrade from SRS-XV900, SRS-XG300 or WH-CH720N, three model names that were used for previous versions of three similar models.

Sony is also revising the names for both home audio and TV products, employing its existing Bravia moniker here. The company’s new TVs are the Bravia 9 (mini LED), Bravia 8 (OLED), Bravia 7 (mini LED) and Bravia 3 (LED) instead of older names like XR-65A95L. For soundbars and speakers, the company will use the Bravia Theater name along with much more descriptive terms. For example, the new soundbars are Bravia Theater Bar 9 and Bravia Theater Bar 8, while a new four-speaker setup is the Bravia Theater Quad. Previously, comparable models had names like HT-A7000, HT-A5000 and HT-A9. I’ll admit I’m not entirely sure how Sony will distinguish the next-gen models from these. Maybe it will add “second-gen,” or perhaps a different number. Either way, sticking with Bravia for its living room devices and adding “theater,” “bar” or even a single digit is much better than the previous jumble of letters and numbers.

Although they may seem random, there was a method to Sony’s madness. To my knowledge, the company never released any type of key to its alpha-numeric mess, but some of the terminology was easy to figure out. “HT” in home theater product names is pretty straightforward, while “WF” in true wireless models likely stood for “wire free” and the “WH” for headphones was probably “wireless headphones.” What followed after the hyphens was a creation from the minds at Sony, but thankfully things like “1000X” became mainstays over the last several years. That consistency certainly helped keep track of things.

Billy Steele for Engadget

Speaking of the 1000X lineup, that’s where some of the biggest confusion in Sony’s naming scheme resides. The company’s flagship headphones, the WH-1000XM5, are literally one letter different from its flagship earbuds, the WF-1000XM5. You likely won’t encounter any issues if you’re searching for “1000XM5 headphones” or “1000XM5 earbuds,” but in situations where both are being discussed, you’ll have to pay careful attention.

For audio gear, the two letters before the dash describe the type of product. Immediately following the dash, you get an indication of the product family or brand, whether that be “XB” for Extra Bass or “1000X” for the flagship earbuds and headphones. Then, you’d get a model or generation number like “910” or “M5.” Unless you’re keeping track of Sony's product news, it can be a chore to decipher these. And even if you are paying close attention, it can be difficult to recall exact names accurately. I’d wager there has even been confusion among Sony’s own employees. It’s a terrible naming scheme that causes massive headaches.

“The main reason for Sony’s new naming convention is to expand recognition by adopting a more memorable and understandable name for customers,” a Sony spokesperson told Engadget. The company didn’t offer any more detail about the timing of the change or if it will rename other product lines as new models are introduced. Maybe the company transferred the task of naming products from the engineers to the marketing department. Sony has already been using the LinkBuds name for a few true wireless models. So, if the company continues what it started with the ULT and Bravia series, we could be in for easily distinguishable names instead of the (presumably upcoming) WH-1000XM6 and WF-1000XM6.

Let’s hope that happens.

Sony didn't announce any new home theater audio gear at CES, so it was only a matter of time before the company would reveal its latest soundbars and speakers. Today, the company unveiled its new Bravia Theater line, a moniker that the company's soundbars and living room speakers will carry for the foreseeable future. Sony is ditching the HT-XXXX naming scheme, which should be less confusing for all parties. For the initial offering, the company has two new Dolby Atmos soundbars, a four-speaker surround system and a wearable neckband speaker. 

At the top of the list sits the Bravia Theater Bar 9. This is Sony's new flagship soundbar, but the company says it's 36-percent smaller than the former premium model, the HT-A7000. Inside, a 13-speaker setup includes three tweeters, four woofers, two beam tweeters, two up-firing and two side-firing drivers. The slightly smaller Bravia Theater Bar 8 houses 11 total speakers, lacking the the two beam tweeters from the Bar 9. Sony says the Bar 8 is 30-percent smaller than the unit it replaces, the HT-A5000. 

Both soundbars feature very similar spec sheets, including support for Dolby Atmos, DTS:X, 360 Reality Audio and Hi-Res audio content. The pair will also gain IMAX Enhanced capabilities with a pending update, but that feature will require additional wireless rear speakers and a subwoofer. Connectivity is the same on both models with one HDMI input and one HDMI output (eARC). HDMI 2.1 is supported, so you can expect 4K/120 passthrough and all the other perks that standard affords. 

Sony

There's also a host of Sony-specific features on both soundbars. That list includes Sound Field Optimization for room calibration and 360 Spatial Sound that places virtual speakers around a space for more immersive audio via virtualization. Acoustic Center Sync combines the speakers of a Bravia TV with either of these soundbars for a more realistic cinema experience where it sounds like the audio is coming directly from the screen. The soundbars also support Voice Zoom 3 from Sony's Bravia TVs, a tool that uses AI to recognize human voices and amplifies them so it's always heard clearly. 

The Bravia Theater Bar 9 and Bravia Theater Bar 8 are compatible with Sony's current rear satellite speakers and subwoofers. Those include the SA-RS5 and SA-RS3S speakers and the SA-SW5 and SA-SW3 subs. Unfortunately, there's no bundle option, so on top of a $1,400 (Bar 9) or a $1,000 (Bar 8) soundbar, you'll have to shell out hundreds more for a better setup. At the very least, you'll want a subwoofer, which will currently cost you either $350 (SW3) or $620 (SW5).

Sony

And then there's the Bravia Theater Quad. This four-speaker set replaces the HT-A9 that Sony introduced in 2021. Instead of four cylindrical units, the company opted for flat, square designs this time, which will allow you to mount them on a wall more easily. Like the A9, there's a separate box that holds all of the necessary connections. You'll get HDMI 2.1 here too, with one input and one output (eARC). 

Inside of each speaker, there are four drivers: one tweeter, one mid-range, one woofer and one up-firing unit. That's a total of 16 across the set, and Sony says you can add on either the SW3 or the SW5 subwoofer for more low-end thump. The Sony-developed features from the new Bravia Theater Bars are here as well, including 360 Spatial Sound, Sound Field Optimization, Acoustic Center Sync and Voice Zoom 3. Dolby Atmos, DTS:X, 360 Reality Audio and Hi-Res tunes are in the mix too, and IMAX Enhanced will arrive later via an update (you'll need a sub to use it). The Bravia Theater Quad is the priciest of the bunch, setting you back $2,500 for the initial set without a bundled subwoofer. 

Lastly, Sony has a new neckband speaker for "open-air yet personal listening." The Bravia Theater U ($300) supports Dolby Atmos when paired with a compatible Bravia TV. Two of the company's X-balanced speakers power the device, which supports 360 Reality Audio on its own. There's also 12-hour battery life, multipoint Bluetooth and a built-in mic for calls. 

Sony says the Bravia Theater Bar 9 and Bar 8 will be available for preorder this spring from Amazon and other retailers. Ditto for the Bravia Theater U. The Bravia Theater Quad is available for preorder now.

If you’ve been eyeing Sony’s WF-1000XM5 earbuds but were put off by the steep price tag, now would be the perfect time to pick up a set. The premium earbuds, normally $300, are down to a record low price of $230 on Amazon, for a savings of $70. This deal only applies to the earbuds in black. The Sony WF-1000XM5 earbuds were released in summer 2023 and brought major upgrades over the previous model. They boast the best noise cancellation and call quality of Sony’s earbuds lineup, and have built-in Alexa support.

The Sony WF-1000XM5 earbuds are our top pick for the best earbuds for this year. They’re more comfortable than the WF-1000XM4s, being 25 percent smaller and 20 percent lighter for a much better fit. The charging case, too, is more compact than its predecessor. In terms of sound quality, they further improve upon the already impressive capabilities of the 1000X line. The speakers are slightly larger than the previous model’s, and their Dynamic Driver X drivers make for rich, clear sound and bassier bass. Sony WF-1000XM5 scored an 87 in our review last year.

The earbuds offer Adaptive Sound Control, which will automatically adjust your noise cancellation settings to work best for the environment you’re in or activity you’re doing. You may want active noise cancellation on when you’re working from home, but switch to transparency mode when you’re going out for a run. You’ll need to enable location services for this feature using Sony’s Headphones Connect app.

The app allows for other types of customization as well, like changing the controls assigned to the touch sensors on the earbuds. Sony’s WF-1000XM5 earbuds also support multipoint Bluetooth connections, which means you can pair them with two devices at the same time. There’s a Speak-to-Chat mode that pauses audio when it senses you’ve started a conversation, and an equalizer in the app where you can adjust your sound settings.

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Sony just announced a trio of new speakers in a new line of audio products called the ULT Power Series. This is an attempt by the company to reduce some of the clutter involved with its naming conventions, so say goodbye to the Extra Bass and XE-Series products. Both lines are being wrapped up into the ULT Power Series branding. To suit this new branding, each of the following speakers include something called the ULT button, which provides a bass boost.

The ULT Field 1 is your standard portable Bluetooth speaker. It’s compact and comes in a variety of colors, including black, white, gray and orange. The battery lasts around 12 hours per charge and the casing is IP67 water resistant, dustproof and shockproof. Like many of these ultra-portable Bluetooth speakers, the design lets users stand it on its end or lay it on its side, to make use of space. There’s also a built-in mic for hands-free calling. This speaker costs $130 and will be available later this spring at major retail outlets.

Sony

The ULT Field 7 is basically a beefier version of the Field 1. It’s bigger, though still portable, and includes two dedicated ULT buttons. One provides deeper bass in the lower frequency range and the other brings a powerful, punchy bass. There’s also plenty of ambient LED lighting that synchronizes with the music.

The battery lasts 30 hours, which is a fantastic metric, and includes quick-charging capabilities. It’s also being advertised as a karaoke machine, thanks to the built-in microphone port. Finally, Sony says people can string together up to 100 of these things to make a cacophony of noise that’ll really annoy the pants off of their neighbors. Those neighbors, however, are likely to live in a glorious mansion, as just one Field 7 costs $500. They go on sale later this spring.

Sony

The ULT Tower 10 is, as the name suggests, a Bluetooth tower speaker intended for living spaces. This speaker wirelessly connects to stereo systems and TVs for enhanced audio and includes the same two ULT bass boost buttons found with the Field 7. There’s also a sound optimization feature that detects local noise and adjusts the settings to accommodate the surroundings.

The speaker boasts omni-directional synchronized lighting, which Sony says “makes listeners feel like they are at a music festival.” There are two microphone inputs for belting out karaoke duets and the speaker actually ships with one wireless mic. Listeners can also connect up to 100 compatible speakers at once, including the Field 7. This is one expensive tower speaker, however, so it’ll set you back $1,200 when it releases later in the season.

Sony’s Extra Bass line of headphones has given listeners an added dose of low-end tone for years, and was generally cheaper than its high-end 1000X cans. The company is still keen on offering brain-rattling bass to those who want it, but the Extra Bass moniker and its confusing alpha-numeric product names are gone (more to come on that change). Today, Sony is introducing ULT Power Sound, a feature it’s calling the “ultimate step into the evolution” of its portable audio gear. 

ULT Power Sound will also be available on Bluetooth speakers of various sizes, but the first headphones to feature the new audio direction are the ULT Wear ($200). A direct replacement for the WH-B910, the ULT Wear contains 40mm drivers that Sony says are specifically designed for deeper bass. If the stock tuning isn’t enough, there’s a ULT button for two more levels of low-end boost. Plus, the company crammed in some of its best features from more-expensive headphones: the V1 audio chip, 30-hour battery life, Quick Attention mode, 360 Reality Audio with head tracking and more.

The first thing I noticed about the ULT Wear is its design. These headphones don’t immediately strike me as less-than-premium cans. The matte white finish on my review unit helps mask the mostly plastic construction which looked cheap on previous products like the WH-CH720N. It’s definitely a more refined aesthetic than the WH-XB910 that’s being replaced. There are certainly some nods to the premium 1000X line in a few areas, like the curves of the ear cups and headband.

Sony decided on a mix of physical and touch controls for the ULT Wear, which is another way it’s bridging the gap between its most affordable and most expensive headphones. On the edge of the left ear cup is a power/pairing button and a control for cycling between active noise cancellation (ANC) and ambient sound modes. Further up along the bottom is a third button for ULT bass boost. This item switches between off, ULT 1 (deep bass) and ULT 2 (more powerful sound with deep bass). Over on the right, the outside of the ear cup has a touch panel that you can tap and swipe on for playback controls, volume adjustments and calls.

As the ULT Wear sits in the middle of Sony’s headphone lineup, it has a few of the handy features from the 1000X line that the company’s cheaper options don’t employ. For example, placing your open hand over the right ear cup activates Quick Attention mode that lowers the volume so you can respond to a co-worker or grab your cortado without pausing your tunes. Adaptive Sound Control is here as well: Sony’s long-standing tool that automatically adjusts the headphone’s settings based on your activity or location. General niceties like multipoint Bluetooth and wear detection are present too. The convenient Speak-to-Chat function from more-recent 1000X headphones isn’t available though, which is a considerable omission in terms of overall utility.

Photo by Billy Steele/Engadget

Bass reigns supreme for the ULT Wear’s tuning and you certainly get a heavy dose of it. Those new specifically tuned drivers muster a lot of low-end thump before you even start exploring the ULT boosts. The out-of-the-box level was good enough for me for most genres, although the overall sound can get muddy with more chaotic styles like metal and some synth-heavy electronic tracks. For the most part though, the stock bass provides depth and range that complements full mids and cutting highs.

On Bayside’s There Are Worse Things Than Being Alive, there’s a thundering kick drum to drive the punk-tinged indie rock tunes, but the texture of the crunchy distorted guitars stands out and vocals cut through clearly. Plus, you can add Sony’s DSEE upscaling through its app, a software trick that’s designed to recover sonic elements lost to compression. And if you have access to 360 Reality Audio content, the ULT Wear supports head-tracking so that sounds stay put when you move. This offers a more realistic experience since the immersive audio in this format would otherwise move with your head.

When you hop into the ULT boost modes, things are a mixed bag. Sony has done bass boost better than most other companies here, as songs are still actually listenable across musical styles rather than just becoming a muffled mess. ULT 1, the option for deeper bass, is the best in my opinion. You don’t lose much detail using it and things like kick drums are still punchy throughout. Hip-hop tracks are a better canvas, with songs like Killer Mike’s “Down By Law” blasting bombastic, yet finessed, amplified bass. His album Michael is one of the better-sounding selections I tested with ULT 1 enabled.

ULT 2, a setting for more powerful sound alongside even deeper bass, isn’t great. During my tests, I didn’t find a single track where I thought it sounded good across driving low-end styles like hip-hop and EDM. It sounds like you’re standing in front of the subwoofer at a concert where bass is most prominent and everything else gets drowned out. And while I’m sure some people enjoy that extent of brain rattling, it’s not what I’m looking for.

Photo by Billy Steele/Engadget

Sony improved ANC from the WH-XB910 by installing its V1 audio processor from the 1000X series in the ULT Wear. The result is noticeably improved noise-canceling performance for a set of $200 headphones, but you shouldn’t expect distraction-blocking as robust as what the WH-1000XM5 offers. It’s good in most situations, but in some scenarios it simply dulls the roar. The ULT Wear does, however, do a decent job with human voices – much better than the Sennheiser Accentum Plus I recently reviewed.

The company didn’t go out of its way to discuss call quality on the ULT Wear, but the performance here is slightly above average. It’s not pristine, but it also doesn’t have the obvious speaker phone sound most headphones do. Low-to-mid-volume background noise is also dealt with nicely. Ambient sound mode on the ULT Wear is more natural that what most headphones offer, save for the AirPods Max. You can hear a good amount of your own voice, so you’re free to speak at a normal volume during calls. And any sounds from your surroundings come through clear, so you don’t have to worry about not hearing alerts or announcements.

Sony says you can expect up to 30 hours of battery life with ANC on or up to 50 hours with it off. The company doesn’t specify if either of the ULT modes impact longevity, and I didn’t have them on long enough to tell. After 20 hours of use with mostly ANC and several instances of ambient sound for calls, both used at around 50-60 percent volume (trust me that’s plenty loud here), Sony’s app was showing 44 percent battery left. This is more efficient than the stated figure, but I’ll update this review when the full rundown is complete.

If you crave a deep bassy thump that most headphones haven't been able to deliver, the ULT Wear does a much better job boosting low-end tone than Sony’s previous efforts. The sound out of the box is certainly boomy, but not at the cost of any detail, and the company gives you the option to add two more servings of bass when you crave it. These won’t be for everyone as a lot of people will prefer the more even-handed tuning of Sennheiser’s Accentum Plus in the $200 range. However, Sony has done well to dress up a more affordable set of headphones as a premium product, in terms of both looks and features.

The ULT Wear headphones are available in black, white and green color options for $200. Sony says they'll start shipping sometime this spring. 

Marshall portable speakers are up to 25 percent off right now via Amazon. The sale includes the attractive and highly useful Middleton speaker, which is available for $237. This is a discount of 21 percent and marks a record low for the portable Bluetooth device.

The Middleton made our list of the best portable Bluetooth speakers, and for good reason. It’s the company’s flagship portable speaker, so it’s packed with both bells and whistles. It offers 50-watts of 360-degree sound and a rugged IP67 exterior. There are dual woofers and tweeters for the front and back, in addition to passive radiators along the side. In other words, people attending your backyard barbecue will have no problem hearing the tunes, and the same could be true of your neighbors.

The speaker also features the company’s Stack Mode, allowing it to easily pair with other Marshall speakers. This includes other Middleton units, the Willen and the Emberton II. We also enjoyed the multi-use joystick that can turn the unit on, change the volume, select tracks and adjust bass and treble.

Marshall’s Willen speaker is also part of this sale, with a current price of $90. That’s 25 percent off. This diminutive, yet powerful, speaker made our list of the best gadgets of 2023. We praised the sound quality, the reliable Bluetooth connection and the battery, which lasts over 15 hours per charge. It’s just about the perfect little speaker, especially for the price.

The sale goes beyond portable speakers. Marshall’s Minor III earbuds are on sale for $100, which is a discount of $30. These no-frills headphones feature custom-tuned 12mm drivers, touch controls and IPX4 water resistance. You can expect around five hours per charge, with the included charging case offering an additional 20 hours.

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Shure's MV7 microphone has been a solid option for podcasters and streamers since its introduction in 2020. With it, the company introduced the first mic with both USB and XLR connectivity. This hybrid setup offers the ability to connect easily to a computer or more robust recording setups as needed. It's also $150 cheaper than Shure's workhorse SM7B that you've likely seen in professional podcast videos. Now the company is back with a new version of the MV7, dubbed the MV7+, with a "sleeker design" and a host of software features aimed at improving audio before you fire up any editing workflows. 

The most noticeable change is the new multi-color LED touch panel. Shure says this component is fully customizable with over 16.8 million colors for a visual indicator of your sound levels. You can also opt for "an ambient pulse effect." What's more, a tap on the LED panel mutes the MV7+ when you need to cough, sneeze or clear your throat. 

In what Shure calls a "Real-time Denoiser," the MV7+ employs digital signal processing (DSP) to eliminate background distractions. The company says this works alongside the mic's voice isolation to produce excellent sound in noisy scenarios. The MV7+ also features a Digital Popper Stopper to combat the dreaded plosives, but this microphone does so virtually without an unsightly filter making an appearance on your livestream. 

Shure says it improved the Auto Level Mode on the MV7+, a feature that makes gain adjustments based on distance, volume and room characteristics to automatically balance the sound profile. There's also onboard reverb, offering three settings (Plate, Hall and Studio) before you start tweaking things in your to-go DAW. And just like the MV7, the MV7+ still has hybrid XLR and USB outputs to connect to mobile devices and laptops in addition to a more capable audio mixer. Where the previous model had a micro-USB port for both USB-A and USB-C cables, this new model is all USB-C. 

With the MV7+, Shure is also announcing the MOTIV Mix app. In addition to tweaking the colors of that LED panel, the software provides a five-track mixer alongside the ability to adjust settings like sound signature, gain and more. There's also a Soundcheck tool to assist with the optimal gain setting and a monitor mix slider provides individual adjustments for mic output and system audio playback. The company explains that this new Mix app will be available for older mics like the MV7 and MVX2U, but for now it's only available in beta to use with the MV7+

The MV7+ is available now in black and there's a white version on the way "in the upcoming weeks." Both are $279, $30 more than the MV7 was at launch. Shure is also selling a "podcast kit" that bundles the MV7+ with a basic Gator desktop mic stand for $299. If you'd prefer the more versatile boom stand, that package is $339. A three-meter USB-C to USB-C cable is included in the box whether you purchase the standalone microphone or either of the kits. 

Stability AI just unveiled Stable Audio 2.0, an upgraded version of its music-generation platform. This system lets users create up to three minutes of audio via text prompt. That’s around the length of an actual song, so it'll also whip up an intro, a full chord progression and an outro.

First, the good news. Three minutes is huge. The previous version of the software maxed out at 90 seconds. Just imagine the fake birthday song you could make in the style of that one Rob Thomas/Santana track. Another boon? The tool is free and publicly available through the company’s website, so have at it.

It primarily works via text prompt, but there’s an option to upload an audio clip. The system will analyze the clip and produce something similar. All uploaded audio must be copyright-free, so this isn’t for the purposes of mimicking something that already exists. Rather, it could be useful for, say, humming a drum part or extending a 20 second clip into something longer.

Now, the bad news. This is still AI-generated music. It’s cool as a conversation piece and as an emblem of a possible future that’s great for tinkerers and bad for musicians, but that’s about it. The songs can actually sound nifty, at first, until the seams start showing. Then things get a bit creepy.

For instance, the system loves adding vocals, but not in any known human language. I guess it’s in whatever language that makes up the text in AI-generated images. The vocals sort of sound like actual people, and other times they sound Gregorian chanters filtered through outer space. It’s right smack dab in the middle of that uncanny valley. The Verge called the vocals “soulless and weird," comparing them to whale sounds. That tracks. 

Stable Audio 2.0 makes the same weird little mistakes that all of these systems make, no matter the output type. Parts can vanish into thin air, replaced with something else. Sometimes melodic elements will double out of nowhere, like an audio version of those extra fingers in AI-generated images.

There’s also the, well, boring-ness of it all. This is music in name only. Without a human connection, what’s the point? I listen to music to get inside the head of another person or group of people. There’s no head to get inside of here, despite constant proclamations that artificial general intelligence (AGI) is only months away.

So, this tech is an absolute gift for those making silly birthday videos or bank hold music. For everyone else? Shrug. One thing I can say from personal experience: It’s pretty fast. The system concocted an absolutely terrifying big band song about my cat in around a minute. 

Portable speakers can come in handy in all kinds of situations, from camping trips to simply keeping one with you as you move throughout your home (just don’t use one on public transit unless you like being hated with the fire of a thousand suns). JBL makes some of our top picks for portable Bluetooth speakers, and several models are currently on sale for up to 34 percent off. The JBL Charge 5 has dropped by $50 (or 28 percent) to $130, just $10 more than the lowest price we’ve seen for it to date.

This is one of our favorite portable Bluetooth speakers. It has a battery life of up to 20 hours and, handily, you can use it to charge other devices via USB-C. The Charge 5 is IP67-rated for water and dust resistance too.

There are less expensive and still-capable options out there, but the Charge 5 delivers bigger audio than many rivals. The sound quality is good too, thanks to its bright output and solid low end. What's more, you can pair two Charge 5 units for stereo listening.

Elsewhere as part of a broader sale on JBL products, the Xtreme 3 has dropped from $380 down to $250. That's 34 percent off and just $20 more than a record low.

This is another of our picks for the best portable Bluetooth speakers. It too is IP67-rated and while it won't run as long as the Charge 5 before you need to top up the battery (it'll run for up to 15 hours on a single charge), the Xtreme 3 offers more volume. That could make it a solid choice for a picnic or a backyard get together. However, we reckon it sounds best in close proximity or even indoors, where you can get the most of the bass tones.

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Companies don’t need to make huge updates to their wireless earbuds across generations. Sometimes, making a great set more reliable and adding features that extend their lifespan are upgrades enough. That’s what Sennheiser has done for the Momentum True Wireless 4 ($300). The company’s fourth-generation earbuds retain the excellent sound quality I’ve come to expect from Sennheiser along with rebuilt Bluetooth tech, higher-resolution sound, support for Bluetooth LE Audio and a tool for battery longevity. But, not everyone will reap all of the benefits I encountered during my Momentum True Wireless 4 review.

Momentum True Wireless 4: Design

The Momentum True Wireless 4 is identical in appearance to the Momentum True Wireless 3, with the only difference being a new copper/black color option alongside the existing silver/black and silver/white versions. Also, you’ll now get a fourth, extra-small, set of ear tips and the company still includes three sizes of stabilizer arcs to help you get an ideal fit. Sennheiser’s Smart Control app has a fit test too, so you’ve got help there. The company has also upgraded the dust and moisture protection here with an IP54 rating, so they now withstand fine debris in addition to water spray.

There are, however, some important changes inside the Momentum True Wireless 4. That includes an update to Qualcomm’s S5 Sound Gen 2 platform with Snapdragon Sound. Part of the Bluetooth overhaul I mentioned is a redesigned antenna, which makes this fourth-gen set of wireless earbuds more reliable. Users had reported issues with dropouts and the companion app failing to recognize the Momentum True Wireless 3, so Sennheiser is clearly addressing those issues here.

Software and features

Like with recent Sennheiser audio gear, the company’s Sound Control app is where you access all of the settings and customization options for the Momentum True Wireless 4. The main interface gives you quick access to battery percentages, Bluetooth connections, personalized sound, ANC settings, transparency level, reconfiguring touch controls, fit test and Sound Zones. That last feature allows you to automate changes to audio settings like ANC and transparency on your location. You can set up to 20 of these “zones” for places like home, work and the gym. Of course, you have to give the app permission to monitor your whereabouts to use this.

Sennheiser has taken steps to future-proof these flagship earbuds – ensuring they last for the next few years, at least. First, they support Bluetooth 5.4, which is ready for LE Audio and Auracast. Those items aren’t available on the Momentum True Wireless 4 just yet, but Sennheiser is planning an update this spring that will deliver features like broadcast audio, audio sharing and assisted listening.

If you have a recent premium Android phone, the inclusion of Snapdragon Sound will come in handy for increased audio quality. The Qualcomm processor in those devices can muster what Sennheiser calls “flawless” lossless audio when streaming from a compatible music service. There are two settings here: high resolution at 24-bit/96kHz via aptX Adaptive and lossless at 16-bit/44.1kHz with aptX Lossless.

The final quality-of-life update concerns the battery. In order to maintain better performance over time, Sennheiser added a battery protection mode that stops the buds from charging past 80 percent. This is important since earbud batteries are almost never replaceable and preventing them from overcharging will extend its lifespan. It’s nice to see the company making a product last longer, which will also have environmental impacts.

Momentum True Wireless 4: Sound quality

Photo by Billy Steele/Engadget

Sennheiser has a longstanding reputation for great sound quality and the Momentum True Wireless 4 continues that tradition. I couldn’t detect a huge difference between the Momentum True Wireless 4 and its predecessor, though, despite the company saying this year’s model has “evolved tuning” that includes things like “smoother treble response, extensive bass and effortless midrange.” And that’s just fine because the Momentum True Wireless 3 already sounded amazing.

There’s still great detail and clarity here, combined with a warm, inviting sound profile that’s enjoyable for hours on end. Even though the bass is boomy and punchy when a song like Incendiary’s “Lie of Liberty” demands it, the low-end tone never overpowers. And you can easily hear the texture of the distorted guitars, clanging hits on the ride cymbal and other subtleties on that bombastic hardcore track. Shift over to something more mellow like Charles Wesley Godwin’s Apple Music Sessions and the level of detail envelopes you even more. Those songs are also available in Dolby Atmos, so they really allow the Momentum True Wireless 4 to shine.

If the stock tuning doesn’t suit you, you can adjust a 5-band EQ and save any custom presets. The app also offers Sound Personalization, which tunes the audio to your listening preference via a quick test. The Momentum True Wireless 4 sounded great out of the box and I left the tuning untouched except for a bit of due diligence.

Android users can take advantage of the increased audio quality I mentioned earlier. There is a noticeable difference in the sound, especially in the finer details, but whether it’s “better” depends on your preferences. Of course, that higher-resolution playback will impact battery life and you’ll need a specific streaming plan (like Tidal’s Hi-Fi or Hi-Fi Plus options) or locally stored files to use what Snapdragon Sound offers in the first place.

iPhone owners shouldn’t feel left out as Apple’s AAC streaming also sounds great on the Momentum True Wireless 4. It’s aided by the fact that Apple Music’s audio quality is superior to other services, especially if the tunes are available in Dolby Atmos.

ANC performance

Photo by Billy Steele/Engadget

Like its predecessor, the Momentum True Wireless 4 has an adaptive ANC setup that automatically adjusts to changes in your environment for a more “immersive listening experience.” Sennheiser didn’t point out any differences in its noise-canceling setup on this new model and I didn’t notice any discernible improvement or decline. The ANC works just fine in most settings, but like most earbuds and headphones, it struggles with sounds like human voices. I also found that it’s not as robust as the best buds from Bose and Sony with some sources of constant noise, like white noise machines and noisy fans.

Call quality

Sennheiser uses six microphones to handle calls on the Momentum True Wireless 4. Overall quality is good, but not pristine, as long as you’re in a quiet spot. Constant noise like a raucous fan comes across as a nondescript hum, but it’s still noticeable. Transparency mode helps a bit during calls, if only to let you be aware of your surroundings. It has a natural sound compared to other earbuds, but doesn’t pipe in your voice, so the end result isn’t as good as Apple’s AirPods Pro.

Momentum True Wireless 4: Battery life

The Momentum True Wireless 4’s battery is rated to last seven hours with ANC on, but you can extend that 30 minutes by disabling it. During my tests, which consisted of mostly ANC listening at around 70-percent volume with a few calls using transparency mode, I easily hit the seven-hour mark. Factor in the case, which supports wireless charging, and you can expect up to 30 hours of playback on the go. There's also a wireless quick-charge feature with the battery protection mode that gives you an hour of use in just eight minutes.

The competition

The leader of the pack is still Sony’s WF-1000XM5. While the Momentum True Wireless 4 has the edge in terms of sound quality, Sony’s earbuds offer better noise-canceling and a host of handy features. Tools like Speak-to-Chat automatic pausing and DSEE Extreme audio upscaling cannot be overlooked. Sony also provides the ability to automatically change sound settings based on your location like Sennheiser does, so you don’t have to sacrifice that feature. The WF-1000XM5 debuted last July, which means you can find them on sale often. They’re currently going for $278, $22 less than the Momentum True Wireless 4.

Wrap-up

No new design? No problem. Sennheiser has made enough upgrades to the Momentum True Wireless 4 to make it a compelling entry in a growing line of stellar-sounding earbuds. Sound quality is great as always, and that’s the biggest selling point for me. Combine that with the higher-resolution audio on Android, forward-facing features and solid battery life, and this model checks a lot of boxes for a flagship set of buds. Sure, ANC could be better and some folks will yearn for spatial audio, but just because the Momentum True Wireless 4 is superb in some areas doesn’t mean it’s perfect.