Bottom Line
Choose for top-tier sound and a feature-rich, future-proof codec stack; Skip if you prioritize the very best ANC or consistently clean calls in wind/noise (especially on iPhone).
Best for
Audiophiles and everyday listeners who want a rich, spacious sound with strong bass control and lots of app-based tuning, especially on Android where the advanced codecs and future-facing features matter most.
Not for
Anyone who takes lots of outdoor calls in wind or demands class-leading noise canceling above all else, plus iPhone-first users who want the deepest ecosystem perks (and will not benefit much from the codec stack).
Verdict
Sennheiser’s Momentum True Wireless 4 is a flagship tuned for music lovers first: most reviews praise its rich, detailed presentation, strong imaging, and powerful yet controlled bass, with useful EQ and sound-personalization tools to fine-tune the signature. ANC is convincingly effective for commutes and travel, but several sources still put Sony and Bose ahead for maximum isolation and higher-frequency suppression. The Smart Control app, Bluetooth 5.4, and broad codec support make the package feel genuinely future-facing, especially for Android users. Tradeoff: call performance and wind handling are inconsistent, and the buds/case are on the large side. iPhone users also miss many of the headline codec benefits.
Pros
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Codec support is a major selling point, repeatedly cited as future-proof: Bluetooth 5.4 with broad codec options, plus LE Audio/LC3 and Auracast support via updates depending on source device. iPhone users are largely limited to AAC, reducing the practical benefit.
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aptX support (including Adaptive/Lossless on compatible devices) is frequently praised as a differentiator for Android users. Several reviewers also note that audible gains can be subtle versus AAC, and depend heavily on phone support and content quality.
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Sensors such as in-ear detection are generally reported as accurate and convenient, reliably pausing and resuming playback. This contributes to the overall flagship feel and day-to-day ease of use.
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Build quality is commonly described as solid and durable, with premium materials and a robust case. Overall impressions point to a flagship-level fit and finish.
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Across reviews, sound quality is a standout: rich, detailed, and engaging with a spacious presentation. A minority find the stock tuning a bit warm/dark or slightly lacking upper-mid or top-end bite, but EQ and Sound Personalization can dial in clarity.
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Soundstage is consistently reported as wide and immersive for true wireless, with a strong sense of space. Some describe it as more expansive than key rivals, while others call it excellent but not the most out-of-head possible.
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Bass is repeatedly described as deep, punchy, and well controlled, adding weight without drowning details. Some listeners feel the stock bass tilt is more consumer-friendly than neutral, and prefer trimming it via EQ.
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Instrument separation and imaging are strong, with reviewers frequently noting easy placement of instruments and clean layering. This is a recurring reason these are favored for immersive music listening.
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At higher listening levels, clarity is usually maintained, and multiple sources note low distortion or clean playback. The main caveat is that pushing volume higher to overcome outside noise is not ideal for hearing health.
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Multiple ear tip sizes and fin options are a recurring positive, supporting both comfort and isolation. Some reviewers still struggle to get a consistent seal due to tip shape or softness, so fit can be somewhat ear-dependent.
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Included accessories are typically appreciated, especially the multiple ear tip sizes and stabilizing fins plus USB-C cable. This variety helps users find a better seal and fit.
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Charging is a strong point: USB-C and Qi wireless charging are standard, and fast top-ups are commonly quoted around 8 to 10 minutes for about an hour of playback. Battery-protection and intelligent charging modes trade speed and max capacity for longevity.
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The Smart Control app is widely praised for depth and polish, offering fit tests, customization, updates, and sound tools. The main critique is that it can feel feature-dense or that certain controls (like EQ depth) could be more advanced.
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Bluetooth stability is generally strong, with several reviewers noting fewer dropouts and good on-the-go continuity. A few reports mention iPhone-related cutouts or codec-dependent behavior (e.g., stereo-to-mono at distance with high-res modes).
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Touch controls are generally described as responsive and customizable, with quick mode switching. Some users simply dislike touch input or note occasional mis-triggers in wet conditions, but responsiveness itself is usually strong.
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Case quality is consistently rated premium, with a fabric exterior and solid feel. The main knock is size rather than materials or durability.
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Reviews highlight flexible ANC control via the app, including adaptive behavior and anti-wind options. The tradeoff is that some modes can reduce cancellation strength compared with a full-max setting.
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Sound Personalization and presets are often highlighted as genuinely useful, helping users correct tonal preferences and automate settings via Sound Zones. Results depend on user patience and ear fit, but most find the feature worthwhile.
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Android compatibility is frequently highlighted as the best match for this product, since Android devices can access more codecs and future-facing features. Most reports describe stable performance on Android, with fewer issues than on iOS in some tests.
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Midrange is generally praised for natural vocals and good presence, often cited as a key strength. A few reviewers note an upper-mid dip or a darker voicing out of the box that can reduce perceived clarity until adjusted.
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Passive isolation is strong when the seal is right, helped by multiple ear tip sizes and stabilizing fins. A few users report seal sensitivity depending on ear shape and tip stiffness, which can impact both sound and ANC.
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USB-C charging is standard and frequently mentioned, though some note the case port placement is unconventional. In practice, wired charging is easy, and most emphasis is on the convenience of pairing USB-C with Qi wireless charging.
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Treble is typically smooth, airy, and non-fatiguing, with sparkle that avoids harshness. The main criticism is that the highest frequencies can feel slightly tamed or recessed for listeners who want extra bite and air.
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Multipoint is supported and usually works as expected for switching between two devices. Some reviewers note occasional quirks or platform-specific issues, but overall reliability is viewed as solid after firmware updates.
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EQ tools are considered effective for shaping the sound, and many reviewers recommend using them to tailor bass or clarity. A few power users want a more advanced EQ than the built-in 5-band option and report limitations or compression when pushing bands.
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Battery life is typically around 7 to 7.5 hours per charge in many tests, with ANC reducing runtime in some reports. With the case, total endurance is commonly cited around 30 hours, which is competitive for the premium class.
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Design is repeatedly described as premium and stylish, with new colorways and a recognizable Momentum look. Many reviews note the external design is very similar to the prior generation, so upgrades are mostly internal.
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Stability is generally strong, with fins helping keep the earbuds secure during movement and even light workouts. A small subset report fit/seal challenges that can make them feel less locked-in.
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For video and casual gaming, sync and latency are generally reported as good, aided by low-latency modes and modern Bluetooth. Competitive gaming may still benefit from dedicated dongle-based solutions, but most users should find A/V sync acceptable.
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The IP54 rating is frequently mentioned as a meaningful upgrade, making them suitable for workouts, rain, and dust exposure. They are not designed for submersion, so they remain a splash and sweat solution rather than a swim option.
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Transparency is often described as natural and adjustable, with some calling it among the best they have used. A minority report slight hiss/white noise or say it could be more lifelike compared with Apple or Bose in certain environments.
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Comfort is commonly rated high for a premium TWS, with stable in-ear fit for long listening. The buds are physically large, and some users with small ears or very long sessions report fatigue or pressure over time.
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Setup is usually straightforward, and firmware updates address some early quirks; most reviewers describe smooth pairing and daily use. A minority report pairing oddities, platform glitches, or UI annoyances that prevent a flawless experience.
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ANC performance is widely considered good to very good, especially for steady low-frequency noise (commutes, travel). Multiple sources still rank Sony or Bose as stronger overall, with some higher-frequency or sudden sounds bleeding through.
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Multi-platform use is generally good across phones and computers, but the experience is not equal across ecosystems. iPhone works reliably for basics, yet the most compelling codec and feature benefits largely land on compatible Android devices.
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Volume output is generally adequate, but at least one test found the earbuds on the quieter side, sometimes needing near-max volume for certain tracks. Most listening impressions still describe the presentation as full and satisfying at normal levels.
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Measured/tonal accuracy is broadly good, but several reviewers note a mild upper-mid/high underemphasis that can read as less crisp detail out of the box. Personalization tools and EQ can compensate, and many still find the tuning musically pleasing.
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Weight is noticeable for some: a few reviews describe them as heavy or fatiguing after hours, while others find the distribution and fins keep them comfortable. Comfort varies significantly by ear shape and tip choice.
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Call mic quality is mixed: many find it fine in quiet to moderate settings, and some report clear voice pickup. Others rate it below class leaders, especially outdoors, with processing artifacts or inconsistent clarity in noisy streets.
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Noise reduction for calls is inconsistent across reviews. Wind remains the most common weakness, and some tests report background noise suppression that is less reliable than top competitors.
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Portability is good in-pocket for the earbuds themselves, but the fabric case is frequently described as chunky. Several reviewers accept the size as a premium tradeoff, while others prefer smaller cases for everyday carry.
Cons
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Find-my style tracking and precision locating are not emphasized, and multiple reviewers note it is not on the same level as Apple ecosystem tracking. If you often misplace earbuds, this is a weaker point versus AirPods.
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Spatial audio features are not a focus here, and multiple sources note the lack of built-in spatial audio/head tracking compared with some rivals. For listeners who prioritize immersive spatial modes, this can be a deciding drawback.
FAQ
Do these make sense for iPhone users?
They work well on iPhone and still sound excellent, but iOS is largely limited to AAC, so you miss many of the headline codec and future-facing connectivity benefits that Android users can access.
How strong is the noise canceling compared with Sony or Bose?
ANC is generally rated good to very good for commutes and travel, especially for steady low-frequency noise. Multiple reviews still place Sony and/or Bose ahead for maximum isolation and better suppression of certain higher-frequency sounds.
Are they good for phone calls?
Call quality is mixed. Many reviewers find them fine in quiet settings, but wind and busy streets can reduce clarity and make noise reduction feel inconsistent compared with the best calling earbuds.
What battery life and charging should I expect?
Expect roughly 7 to 7.5 hours per charge in many tests, with shorter runtime if you keep ANC on. The case extends total listening to around 30 hours, and fast top-ups plus USB-C and Qi wireless charging make recharging convenient.
Are they suitable for workouts and rain?
Yes for gym use and light rain: the earbuds are IP54 dust and splash resistant and the fins help stability. They are not meant for swimming or heavy water exposure.
Do they have spatial audio or reliable item tracking?
Spatial audio/head tracking is not a core feature here, and several reviews note it as missing compared with some rivals. Find-my style tracking is also not as robust as AirPods-style ecosystem locating.
Reviews we analyzed
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