Compare Audio-Technica ATH-CKS50TW Earbuds vs Sennheiser Momentum True Wireless 4 Earbuds

P1 Audio-Technica ATH-CKS50TW Earbuds
P2 Sennheiser Momentum True Wireless 4 Earbuds

Comparison Takeaways

Audio-Technica ATH-CKS50TW Earbuds

Where It Has the Edge

  • Find My is 4.0 vs 2.1. The app includes a locate/find function for the earbuds, which is useful if you misplace them.
  • Spatial audio is 3.0 vs 2.0. Spatial audio/360 Reality Audio is a mixed bag: some find it immersive, others dismiss it, and it is...
  • Battery is 5.0 vs 4.4. Battery life is repeatedly described as best-in-class, commonly around 20 hours in the buds (about 15 with ANC)...
  • USB-C is 5.0 vs 4.5. USB-C charging is consistently included and straightforward.

Sennheiser Momentum True Wireless 4 Earbuds

Where It Has the Edge

  • Sensors is 4.6 vs 1.2. Sensors such as in-ear detection are generally reported as accurate and convenient, reliably pausing and resuming playback. This...
  • Design and Aesthetics is 4.4 vs 3.0. Design is repeatedly described as premium and stylish, with new colorways and a recognizable Momentum look. Many reviews...
  • Maximum volume clarity is 4.6 vs 3.5. At higher listening levels, clarity is usually maintained, and multiple sources note low distortion or clean playback. The...
  • Carry case quality is 4.5 vs 3.6. Case quality is consistently rated premium, with a fabric exterior and solid feel. The main knock is size...
Average score
Product 1: Audio-Technica ATH-CKS50TW Earbuds
3.9
Product 2: Sennheiser Momentum True Wireless 4...
4.3
Active noise cancellation
Product 1: Audio-Technica ATH-CKS50TW Earbuds
3.5

ANC performance ranges from average to solid-for-the-price: it reduces low-frequency rumble well but is not class-leading versus premium models. Noise control is adjustable in the app with ANC on/off and hear-through options, making it easy to tailor for different environments.

Product 2: Sennheiser Momentum True Wireless 4...
4.2

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. 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.

Android compatibility
Product 1: Audio-Technica ATH-CKS50TW Earbuds
4.5

Android support is strong thanks to features like Google Fast Pair and aptX/aptX Adaptive compatibility.

Product 2: Sennheiser Momentum True Wireless 4...
4.5

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.

App
Product 1: Audio-Technica ATH-CKS50TW Earbuds
4.1

The Connect app is feature-rich (EQ, noise modes, codec selection, updates, extras like soundscapes and ear-profile tools) and is generally reported as stable.

Product 2: Sennheiser Momentum True Wireless 4...
4.5

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.

aptX
Product 1: Audio-Technica ATH-CKS50TW Earbuds
4.5

aptX/aptX Adaptive support makes these particularly attractive for Android users seeking higher-quality Bluetooth audio.

Product 2: Sennheiser Momentum True Wireless 4...
4.7

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.

Audio-video sync accuracy
Product 1: Audio-Technica ATH-CKS50TW Earbuds
4.5

Low-latency mode delivers good audio-video sync, with most reviewers reporting minimal lip-sync delay for video and casual gaming.

Product 2: Sennheiser Momentum True Wireless 4...
4.4

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.

Bass performance
Product 1: Audio-Technica ATH-CKS50TW Earbuds
4.3

Bass is the headline: deep extension and punch are repeatedly praised, though it can sound forward on bass-heavy mixes.

Product 2: Sennheiser Momentum True Wireless 4...
4.6

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.

Battery
Product 1: Audio-Technica ATH-CKS50TW Earbuds
5.0

Battery life is repeatedly described as best-in-class, commonly around 20 hours in the buds (about 15 with ANC) plus roughly 30 more from the case.

Product 2: Sennheiser Momentum True Wireless 4...
4.4

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.

Bluetooth
Product 1: Audio-Technica ATH-CKS50TW Earbuds
4.3

Bluetooth stability is typically strong (including longer-range anecdotes), but a few users report occasional dropouts, especially in multipoint or obstructed scenarios.

Product 2: Sennheiser Momentum True Wireless 4...
4.5

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).

Build quality
Product 1: Audio-Technica ATH-CKS50TW Earbuds
4.3

Build quality is widely seen as robust for the price, though a few note the silicone tips feel thin and may wear over time.

Product 2: Sennheiser Momentum True Wireless 4...
4.6

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.

Button control usability
Product 1: Audio-Technica ATH-CKS50TW Earbuds
3.3

Physical buttons help avoid accidental touches, but their placement and size can be fiddly; some find multi-tap actions or locating the buttons frustrating.

Product 2: Sennheiser Momentum True Wireless 4...
No score yet
Carry case quality
Product 1: Audio-Technica ATH-CKS50TW Earbuds
3.6

The case is generally sturdy with clear battery indicators and secure retention, but its large footprint is a common complaint.

Product 2: Sennheiser Momentum True Wireless 4...
4.5

Case quality is consistently rated premium, with a fabric exterior and solid feel. The main knock is size rather than materials or durability.

Charging
Product 1: Audio-Technica ATH-CKS50TW Earbuds
4.3

Charging is USB-C with strong fast-charge results (about 10 minutes for roughly 90 minutes playback); most reviews note no wireless charging on the CKS50TW.

Product 2: Sennheiser Momentum True Wireless 4...
4.5

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.

Codec support
Product 1: Audio-Technica ATH-CKS50TW Earbuds
4.5

Codec support is a strength, with SBC/AAC plus aptX and aptX Adaptive mentioned often, and some app control over codec selection.

Product 2: Sennheiser Momentum True Wireless 4...
4.7

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.

Comfort during long use
Product 1: Audio-Technica ATH-CKS50TW Earbuds
4.0

Comfort is generally good once the right tips are found, but the larger housings can feel bulky or less secure for smaller ears.

Product 2: Sennheiser Momentum True Wireless 4...
4.3

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.

Design and Aesthetics
Product 1: Audio-Technica ATH-CKS50TW Earbuds
3.0

Design is functional but plain, and the size is frequently called bulky compared to sleeker rivals.

Product 2: Sennheiser Momentum True Wireless 4...
4.4

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.

Ear tip size options
Product 1: Audio-Technica ATH-CKS50TW Earbuds
4.3

Multiple ear tip sizes are included (often four), helping with fit and seal, even if durability concerns pop up in a few reviews.

Product 2: Sennheiser Momentum True Wireless 4...
4.5

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.

Equalizer customization
Product 1: Audio-Technica ATH-CKS50TW Earbuds
4.2

EQ customization is a highlight, offering a five-band EQ and useful adjustments to tailor bass/vocals and overall balance.

Product 2: Sennheiser Momentum True Wireless 4...
4.4

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.

Find My
Product 1: Audio-Technica ATH-CKS50TW Earbuds
4.0

The app includes a locate/find function for the earbuds, which is useful if you misplace them.

Product 2: Sennheiser Momentum True Wireless 4...
2.1

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.

Frequency response accuracy
Product 1: Audio-Technica ATH-CKS50TW Earbuds
4.5

Tuning trends warm rather than strictly neutral, but multiple reviews call it well-balanced across the range with good overall coherence.

Product 2: Sennheiser Momentum True Wireless 4...
4.0

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.

Included accessories
Product 1: Audio-Technica ATH-CKS50TW Earbuds
No score yet
Product 2: Sennheiser Momentum True Wireless 4...
4.5

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.

Instrument separation
Product 1: Audio-Technica ATH-CKS50TW Earbuds
4.2

Separation and imaging are strong for the class, keeping transient details in context, but it does not match higher-end audiophile flagships.

Product 2: Sennheiser Momentum True Wireless 4...
4.6

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.

Maximum volume clarity
Product 1: Audio-Technica ATH-CKS50TW Earbuds
3.5

At very loud listening levels, some note dynamics can feel slightly compressed or squashed, even if clarity remains decent.

Product 2: Sennheiser Momentum True Wireless 4...
4.6

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.

Microphone noise reduction
Product 1: Audio-Technica ATH-CKS50TW Earbuds
3.0

Noise reduction on calls is inconsistent, with wind and busy-street noise sometimes bleeding through and degrading intelligibility.

Product 2: Sennheiser Momentum True Wireless 4...
3.7

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.

Microphone quality for calls
Product 1: Audio-Technica ATH-CKS50TW Earbuds
3.8

Call quality is mostly clear in quiet settings, with mixed results outdoors or in noisy rooms; some experiences are excellent while others report average performance.

Product 2: Sennheiser Momentum True Wireless 4...
3.9

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.

Midrange clarity
Product 1: Audio-Technica ATH-CKS50TW Earbuds
3.8

Midrange is generally clear, but the stock tuning can let bass mask lower mids and push vocals back; the Clear Vocal/EQ options help restore presence.

Product 2: Sennheiser Momentum True Wireless 4...
4.5

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.

Multi-platform compatibility
Product 1: Audio-Technica ATH-CKS50TW Earbuds
No score yet
Product 2: Sennheiser Momentum True Wireless 4...
4.1

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.

Multipoint connectivity reliability
Product 1: Audio-Technica ATH-CKS50TW Earbuds
4.1

Multipoint is widely appreciated for switching between phone and computer, though there can be slight delays and occasional reliability quirks.

Product 2: Sennheiser Momentum True Wireless 4...
4.5

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.

Noise isolation (passive)
Product 1: Audio-Technica ATH-CKS50TW Earbuds
4.3

The seal provides solid passive isolation, sometimes good enough to reduce noise even before ANC is enabled.

Product 2: Sennheiser Momentum True Wireless 4...
4.5

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.

Portability/foldability
Product 1: Audio-Technica ATH-CKS50TW Earbuds
2.8

Portability is the main physical downside: the case is chunky and the buds are large, so jeans-pocket carry can be awkward even if bags and jacket pockets are fine.

Product 2: Sennheiser Momentum True Wireless 4...
3.7

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.

Preset EQ profile quality
Product 1: Audio-Technica ATH-CKS50TW Earbuds
4.0

Preset EQ modes (such as Bass Boost and Clear Vocal) are frequently cited as helpful and can meaningfully change the listening profile.

Product 2: Sennheiser Momentum True Wireless 4...
4.5

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.

Sensors
Product 1: Audio-Technica ATH-CKS50TW Earbuds
1.2

Wear-detection sensors are a notable omission in multiple reviews, so playback does not auto-pause when you remove a bud.

Product 2: Sennheiser Momentum True Wireless 4...
4.6

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.

Sidetone adjustment quality
Product 1: Audio-Technica ATH-CKS50TW Earbuds
4.0

Sidetone/side-talk features help you hear your own voice more naturally during calls, which several reviewers appreciate.

Product 2: Sennheiser Momentum True Wireless 4...
No score yet
Software/setup simplicity
Product 1: Audio-Technica ATH-CKS50TW Earbuds
No score yet
Product 2: Sennheiser Momentum True Wireless 4...
4.3

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.

Sound quality
Product 1: Audio-Technica ATH-CKS50TW Earbuds
4.2

Across reviews, sound is described as warm and engaging with strong detail for the price, especially after EQ tweaks; a minority find it merely average without tuning.

Product 2: Sennheiser Momentum True Wireless 4...
4.6

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.

Soundstage width
Product 1: Audio-Technica ATH-CKS50TW Earbuds
4.1

Soundstage is often called convincing and well-staged for true wireless, though a few impressions place it closer to average rather than expansive.

Product 2: Sennheiser Momentum True Wireless 4...
4.6

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.

Spatial audio
Product 1: Audio-Technica ATH-CKS50TW Earbuds
3.0

Spatial audio/360 Reality Audio is a mixed bag: some find it immersive, others dismiss it, and it is limited by supported services.

Product 2: Sennheiser Momentum True Wireless 4...
2.0

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.

Stability
Product 1: Audio-Technica ATH-CKS50TW Earbuds
4.5

Stability is generally strong once fitted, with multiple workout and head-movement anecdotes indicating the buds stay put.

Product 2: Sennheiser Momentum True Wireless 4...
4.4

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.

Touch control responsiveness
Product 1: Audio-Technica ATH-CKS50TW Earbuds
No score yet
Product 2: Sennheiser Momentum True Wireless 4...
4.5

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.

Transparency mode quality
Product 1: Audio-Technica ATH-CKS50TW Earbuds
3.6

Hear-through/transparency is generally usable and fairly natural, but it can be mild and is not on the level of the best implementations.

Product 2: Sennheiser Momentum True Wireless 4...
4.3

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.

Treble clarity
Product 1: Audio-Technica ATH-CKS50TW Earbuds
3.7

Treble is usually smooth and non-fatiguing; some reviewers want more sparkle or sharpness, while others note it stays crisp at higher volumes.

Product 2: Sennheiser Momentum True Wireless 4...
4.5

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.

USB-C
Product 1: Audio-Technica ATH-CKS50TW Earbuds
5.0

USB-C charging is consistently included and straightforward.

Product 2: Sennheiser Momentum True Wireless 4...
4.5

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.

Voice assistant integration
Product 1: Audio-Technica ATH-CKS50TW Earbuds
2.0

Voice assistant support is limited in some coverage, with at least one review noting a lack of built-in voice-assistant control compared with certain rivals.

Product 2: Sennheiser Momentum True Wireless 4...
No score yet
Volume output
Product 1: Audio-Technica ATH-CKS50TW Earbuds
No score yet
Product 2: Sennheiser Momentum True Wireless 4...
4.1

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.

Water/sweat resistance rating
Product 1: Audio-Technica ATH-CKS50TW Earbuds
4.6

Water resistance is consistently positioned as workout-friendly (commonly IPX4, with some coverage citing higher ratings on newer variants).

Product 2: Sennheiser Momentum True Wireless 4...
4.4

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.

Weight comfort
Product 1: Audio-Technica ATH-CKS50TW Earbuds
4.0

Weight is noticeable for some (and a few describe the fit as unbalanced), but others find the buds comfortable for long sessions.

Product 2: Sennheiser Momentum True Wireless 4...
4.0

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.