Compare Audio-Technica ATH-CKS50TW Earbuds vs Soundcore by Anker Space A40 Earbuds

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.

Across reviews, ANC is strong for the price, especially against steady low-frequency rumble (traffic, engines), but it is less consistent against voices and higher-frequency clatter; a few reviewers still call it merely adequate compared with premium flagships. ANC offers manual and adaptive modes plus strength presets, but several testers report little real-world difference between levels, and changing presets from the earbuds is limited; others find the adjustability useful enough to dial in.

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

Android support is strong, including access to LDAC and the full Soundcore app feature set on compatible devices.

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.

The Soundcore app is a major value add: it is usually described as straightforward, stable, and essential for unlocking features like EQ, control remapping, and firmware.

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

aptX support is explicitly absent in multiple reviews, so users prioritizing aptX should look elsewhere.

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

Latency and A/V sync are generally reported as good, especially for video; gaming modes exist, but several reviewers say improvements are subtle and best for casual mobile gaming.

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

Bass tends to be punchy and fun, with some reviews noting a mid-bass lift; extension and sub-bass weight are more variable, and stock tuning can feel light down low for bassheads unless EQ is used.

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.

Battery life is a consistent highlight: real-world playback commonly lands around 6–8 hours with ANC and higher without it, with the case extending total time well beyond a full workweek for many.

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

Bluetooth stability is usually reliable with quick pairing and solid range, though at least one review reports intermittent re-pairing frustration that may require forgetting devices.

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

Overall build quality is solid for the price, though small durability concerns show up around case hinges and scratch-prone glossy interior surfaces.

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

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

The case is compact and convenient with wireless charging, but some reviews flag lid/hinge security or imperfect closure that can risk accidental opening.

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.

Charging features are premium for the price, typically including fast-charge boosts and wireless charging; real-world convenience is strong even if total runtime varies by codec and ANC.

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

Codec support is strong for the class (SBC/AAC with LDAC often available), but higher-quality modes can reduce battery life and may constrain other features like multipoint.

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

Comfort is a strong point thanks to the small shells and light weight; long sessions are generally easy, though a few users report minor pressure or discomfort after several hours.

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

Design is frequently described as stylish and premium-looking for the price, with a compact, pocket-friendly aesthetic that does not scream budget.

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

Multiple ear tip sizes are included (often five or six), improving fit odds; however, people with very large ear canals may still need third-party XL tips.

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

EQ customization is one of the standout features, with extensive presets plus custom multi-band control and HearID-style personalization that can noticeably refine mids/highs and bass balance.

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

Find My-style locating is present in some accounts, typically using audible beeps rather than true GPS tracking, and works as a practical backstop for misplaced buds.

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

Tuning is described as broadly balanced and inoffensive, with the ability to correct the signature via EQ; some note small tonal shifts when ANC is enabled.

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

Instrument separation and imaging are often highlighted as a strength, delivering good layering and placement for the money, though not at true flagship levels.

LDAC support is repeatedly called a key differentiator for Android users, enabling higher-bitrate streaming; expect higher power draw and the need to toggle settings in the app.

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

Maximum-volume clarity is mostly maintained, with limited distortion reported; tonal balance, rather than distortion, is the more common complaint at higher levels.

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

Mic noise reduction can be effective at separating voice from traffic or café noise, yet wind processing artifacts and aggressive suppression can reduce naturalness or intelligibility for some callers.

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.

Call mic quality is mixed: indoor clarity is often fine, and some reviewers are impressed, but others report thin, muffled, or inconsistent voice pickup in louder or windy environments.

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.

Midrange is generally clear with decent vocal intelligibility, but a few reviewers note slightly veiled vocals or a cooler tuning that benefits from HearID/EQ tweaks.

Cross-platform support is good across iOS and Android, but the best codec features and some behaviors vary by platform (for example LDAC typically being Android-only).

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

Multipoint/dual-device connectivity is commonly praised as smooth and dependable, but at least one source claims it is missing and others note tradeoffs (like dropping to AAC/SBC when enabled).

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

Passive isolation is generally above average with a good seal, providing a solid baseline even before ANC; fit-dependent leakage is the main limiter if tips do not seal well.

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.

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

Preset EQ profiles are plentiful and generally useful, giving workable options for music genres and spoken word; most reviewers still recommend light personalization for best results.

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

Wear sensors are a weak spot: multiple reviews call out the lack of auto-pause/in-ear detection, which reduces day-to-day convenience compared with some rivals.

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

Setup is generally easy with quick pairing, but the feature set can feel dense; most reviewers suggest using the app to configure controls, codecs, and listening modes early.

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.

Sound quality is widely praised for a sub-$100 set, with a clean, detailed presentation and lots of tuning flexibility; a recurring theme is that it is enjoyable rather than truly reference-grade for critical listening.

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

Soundstage is typically called wider than expected for compact buds, but still varies by listener and EQ, with some describing it as more in-head than expansive.

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

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

Fit stability is generally good for daily use and light exercise, though the lack of stabilizing fins means heavy workouts and running can require occasional readjustment.

Touch controls are customizable and usually responsive, but several reviewers mention occasional missed taps, lag, or finicky behavior that takes practice.

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

Transparency mode is feature-rich (often with full and vocal-focused options) and can work well for quick conversations, but opinions diverge on naturalness: some hear hiss, brightness, or a narrow sound window.

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

Treble detail is good for the price, yet multiple reviewers mention either a treble spike/snappiness or a slight roll-off and reduced sparkle depending on tuning and ANC mode.

USB-C charging is consistently included and straightforward.

USB-C charging is standard and universally present, with quick top-ups frequently cited as genuinely useful.

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.

Voice assistant integration is available but not always reliable, with reports of lag or misinterpreted commands on some platforms.

Peak volume is generally more than sufficient for most listeners, with at least one measured test placing it firmly in loud-enough territory without obvious strain.

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

The IPX4 rating is adequate for sweat and light rain but not for dunking or heavy water exposure; runners wanting more protection may prefer higher-rated alternatives.

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

Weight comfort is excellent, with the buds routinely described as lightweight and easy to forget once seated properly.