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

Reviewers generally found ANC strong for the price, especially against low, steady noise, though several noted weaker performance against voices, high frequencies, or premium ANC competitors.

ANC performance was the most divided feature: some reviewers found it strong or effective, while several called it average, mediocre, or disappointing versus leaders.

Android users were singled out for benefiting from LDAC and broad device compatibility, while iOS remained limited to other codecs.

Android pairing was praised through Google Fast Pair and straightforward setup on Android devices.

The Soundcore app was widely praised for useful controls, customization, EQ, and feature access, with only minor complexity or multi-device app caveats.

The Connect app was broadly praised as thorough, useful, and feature-rich, with repeated appreciation for customization, updates, and extra controls.

aptX support was treated as a positive for higher-quality or potentially better fidelity, especially for compatible devices.

Video sync and gaming latency were mostly reported as solid, with several reviewers finding minimal or no noticeable delay.

Low-latency performance and video sync were a clear strength, with reviewers repeatedly reporting little to no perceptible delay.

Bass was usually described as punchy, steady, or adequate, but some reviewers wanted deeper sub-bass or found the default tuning too bass-heavy.

Bass was a major strength for most reviewers, described as deep, warm, thumpy, or great, but a few noted it could obscure mids or lacked flagship-level cleanliness.

Battery life was one of the strongest areas, with most reviewers reporting long sessions and strong case endurance despite LDAC or ANC reducing runtime.

Battery life was the clearest consensus strength, with reviewers repeatedly calling it epic, insane, best-in-class, or unusually long.

Bluetooth performance was mostly stable and quick, but one reviewer had frustrating re-pairing issues and another noted manual disconnect hassles.

Bluetooth performance was generally stable and reliable, with strong connection praise, though one reviewer reported random signal drops in some multipoint use.

Build impressions were generally positive for the buds and case materials, though SoundGuys criticized the case hinge security.

Build quality was mostly viewed positively, with reviewers praising sturdy construction or non-cheap materials, though one reviewer criticized the build as not amazing.

Button usability split reviewers sharply: some preferred responsive physical buttons, while others found them fiddly, hard to locate, or awkward to press.

Case feedback was split: many liked the compact, premium-feeling case and charging support, while others criticized hinge/lid security or closure.

Case quality was generally positive for sturdiness, magnets, finish, or design, although size hurt portability rather than perceived construction.

Charging was praised for wireless charging, USB-C, quick-charge usefulness, and a strong charging case, with few complaints beyond battery mode tradeoffs.

Charging was mixed: fast charging drew strong praise, but multiple reviewers criticized the lack of wireless charging on the original model.

Codec support was viewed positively because LDAC joins AAC and SBC, though aptX was only factually absent and not scored.

Codec support was praised as a strong spec highlight, especially around Bluetooth 5.2 and aptX Adaptive.

Long-use comfort was a consistent strength, with most reviewers finding the buds light and wearable for hours, though a few reported pressure or fit-dependent comfort limits.

Comfort was mostly positive despite the bulky housings, with several reviewers wearing them for long periods, though one TW2 review found the design less comfortable.

Design was consistently described as sleek, compact, premium-looking, or stylish for the price.

Design impressions were mixed to negative: some liked the subdued look, but many called the buds or case bulky, plain, or not especially attractive.

Fit was usually secure with a good seal, though reviewers emphasized tip choice and one found the stock XL tips inadequate.

Fit was generally secure and comfortable for some reviewers, but fit concerns remained for smaller ears or wind-noise isolation.

The included tip selection was usually praised for offering many sizes, but one reviewer with large ear canals found even the largest tips too small.

One review praised the four tip sizes as giving plenty of range to find a comfortable fit.

EQ customization was a standout strength thanks to many presets, custom EQ, HearID, and frequent praise for tuning flexibility.

EQ customization was one of the strongest software features, with reviewers praising the ability to tune sound and create more personalized profiles.

Find My support was treated as a useful bonus, though the evidence centered on beeping-style device finding rather than GPS tracking.

Frequency response was viewed as enjoyable and often balanced for the price, but not fully neutral or accurate enough for critical listening.

Reviewers described the overall tuning as balanced or safe, with the frequency range generally represented without harshness.

The only direct hinge evidence was negative, with SoundGuys saying the case hinge was not tight enough.

Instrument separation was praised in multiple reviews, with instruments and mix elements described as clear, well placed, or easier to distinguish.

Instrument separation was praised when reviewers heard transient details and individual elements clearly, but one reviewer found separation below audiophile rivals.

Integrated microphones were generally considered useful and capable, especially for calls or ANC, though mic quality varied in separate call-quality scoring.

Reviewers who evaluated the built-in microphones found them useful or strong for calls in favorable conditions, though noise handling could struggle outdoors or in busy spaces.

Independent left/right bud use was praised as seamless, with no connection break reported.

The snap-together magnetic bud design on the TW2 was strongly praised for reducing loss and battery drain outside the case.

LDAC was repeatedly treated as a meaningful advantage for Android or hi-res Bluetooth listening, though it reduced battery life in some testing.

The one direct maximum-volume clarity test was positive, noting no distortion in the lows at top volume.

One reviewer noted that dynamics could feel slightly compressed at louder volumes, making maximum-volume clarity good but not perfect.

Microphone noise reduction was mixed: some reviewers praised voice isolation in noise, while others found ambient handling weak or inconsistent.

Microphone noise reduction was a repeated weakness, with reviewers noting struggles against noise, exterior sounds, or wind.

Call microphone quality was the clearest weakness, ranging from loud and clear to thin, muffled, serviceable, or poor depending on reviewer and environment.

Call quality was usually acceptable to good in quiet conditions, with some strong praise, but several reviewers found it only average outside controlled environments.

Midrange comments were mostly positive for vocals and clarity, though a few reviewers found mids veiled, dull, or slightly lacking.

Midrange clarity was mixed: some reviewers heard clear vocals and lead instruments, while others said vocals or lower mids were pushed back by the bass-forward tuning.

Cross-device compatibility was positive, with reviewers using phones, laptops, tablets, iOS, and Android without major platform-specific barriers.

Reviewers found phone-and-laptop use helpful, with multipoint and cross-device switching making the earbuds practical across platforms.

Multipoint reliability was a major strength, with reviewers repeatedly describing device switching as seamless, reliable, or essential.

Multipoint was consistently valued for switching between phone, laptop, computer, or other devices, with reviewers describing it as useful, seamless, or reliable.

Passive isolation was considered good when fit was right and helped ANC performance, though it remained dependent on a proper seal.

Passive isolation was usually strong when the seal fit well, though one review noted fit-related wind-noise leakage.

Portability was a consistent strength, especially the small case and compact buds that fit pockets easily.

Portability was a recurring weakness because the case was often described as bulky, clunky, hard to pocket, or inconvenient, despite battery-life tradeoffs.

Preset EQ quality was useful but mixed: some presets worked well, while bass-boost style presets were criticized for limited or muddy results.

One reviewer said the Clear Vocal preset effectively fixed a vocal-detail issue, supporting a strong score for preset EQ usefulness.

Sensors were a repeated weakness because multiple reviewers missed wear detection or auto-pause.

Sensors were a clear weakness where reviewers wanted wear detection and criticized its absence.

Sidetone was treated as useful for calls, helping users monitor their own voice or making the earbuds more office-friendly.

The only smudge-resistance evidence was positive, noting the case finish should resist visible fingerprints.

Setup and software simplicity were generally praised, with reviewers calling the app simple, the guide sufficient, or setup easy.

One review described initial setup as simple and fast, supporting a strong software/setup score.

Sound leakage evidence was limited but positive, with one reviewer saying the buds kept sounds private.

Overall sound quality drew strong praise across the review set for clarity, balance, detail, and value, with only critical-listening caveats.

Reviewers mostly found the earbuds enjoyable and capable, with repeated praise for warm, detailed, or impressive sound, though one reviewer found the sound merely okay.

Soundstage depth was praised by Expert Reviews but underwhelmed one YouTube reviewer who expected more depth from the large housings.

Soundstage width was usually praised as wide, spacious, or well-imaged, though one reviewer found the stage narrow.

Soundstage width drew strong praise from some reviewers for wraparound or convincing staging, while one reviewer expected more width from the large earbuds.

Spatial audio opinions were divided, ranging from disappointment or superfluousness to strong immersion and impressive 360 Reality Audio effects.

Stability was generally strong for walking, workouts, and daily use, but one reviewer warned against serious running or sprinting.

Stability ranged from excellent in workout/head-shake testing to less reassuring on the bulkier TW2 design.

Touch controls were mixed: several reviewers found them responsive and customizable, while others reported delays, missed gestures, or sensitivity issues.

Transparency mode was mixed, from very good vocal/ambient awareness to bright, tinny, hissy, or limited adjustability.

Transparency/hear-through mode was useful for awareness and conversation, but reviewers disagreed on quality, ranging from invaluable to merely okay.

Treble was often clear and detailed, but some reviewers noted sibilance, thin cymbals, reduced sparkle, or upper-register sharpness.

Treble generally stayed clear and non-harsh, but several reviewers said highs lacked some sharpness, space, or detail compared with stronger competitors.

USB-C was positively tied to easy recharging in the one directly opinionated USB-C quote.

Value was the strongest consensus point, with nearly every reviewer framing the Space A40 as a standout bargain for features and performance.

Value was generally positive because of battery life, sound, and features for the price, though one reviewer argued $150 was too high.

Voice assistant support was split, with one reviewer reporting poor Google/Siri behavior while another found the microphones sensitive enough for requests.

One review criticized the lack of built-in voice-assistant control, making this a weak point for hands-free assistant use.

Volume output was considered more than loud enough by reviewers who discussed it, including one who said loud-listeners would be satisfied.

Reviewers who commented on volume found adequate headroom and loud output, without major volume complaints.

Water and sweat resistance was viewed as useful for rain, sweat, and workouts, but IPX4 was also described as limited or not especially rugged.

Water and sweat resistance was treated as useful for workouts, outdoor use, and peace of mind, though not as full waterproofing.

Weight comfort was strongly positive, with reviewers repeatedly noting light buds that disappear or avoid fatigue.

One review specifically described the earbuds as light and relatively inconspicuous, supporting a positive weight-comfort impression.