Wireless Earbuds · owner-verdict comparison

Soundcore Space A40 vs EAH-AZ100: what real owners say

Real owners lean toward the EAH-AZ100: 55% of 233 owners recommend it, vs 31% of 61 for the Soundcore Space A40.

Verdicts aggregated from Reddit, enthusiast forums, and YouTube owner comments — affiliate reviews excluded. Sample sizes differ; judge accordingly. How we score

Soundcore Space A40

31%of 61 owners recommend
31% recommend · 43% neutral · 26% don't
Owners praise
  • Comfortable, secure fit that owners specifically praise for all-night sleeping use
  • Strong value for the price, often called a good buy on sale or against pricier rivals
  • ANC performs well for the price, blocking out background noise effectively for most wearers
Owners complain about
  • Bass is thin, washed out, or missing entirely for many owners, especially before certain firmware updates
  • Sound quality is seen as a step down from other Soundcore and rival models like the Liberty 3 Pro, 4NC, and OnePlus Buds 4
  • Battery health fades over months of use, with one bud sometimes losing charge fast or dying early
Full owner report →

EAH-AZ100

55%of 233 owners recommend
55% recommend · 26% neutral · 19% don't
Owners praise
  • Rich, detailed sound quality with strong bass, wide soundstage, and clear separation that many owners rank above rivals like the Sony XM5/XM6 and AZ80
  • Frequently called the best or most well-rounded earbuds owners have used, excelling across sound, features, and daily usability
  • Firmware updates have meaningfully improved sound tuning and ANC over time, with owners noting clearer vocals, better bass focus, and improved call quality after updating
Owners complain about
  • ANC is inconsistent across owners, described by many as mediocre, weak, or nearly nonexistent for the price, especially compared to Bose and Sony
  • Fit and comfort problems are common, including buds falling out, painful hard-shell pressure, and slick stock tips that don't stay seated
  • Stock tuning is often described as muddy or overly bass-heavy, requiring EQ adjustment to sound its best
Full owner report →

Which should you buy?

Get the Soundcore Space A40 if
  • Budget shoppers wanting solid ANC and battery life without a premium price
  • Side sleepers who need small, low-profile buds that stay comfortable overnight
  • People with small ear canals who struggle to get a secure fit elsewhere
  • Owners willing to run custom EQ or chase firmware updates for better bass
Skip it if
  • Bass-heads expecting punchy low end straight out of the box
  • Buyers who need long-term durability, given reports of battery fade and single-ear failure
Get the EAH-AZ100 if
  • Listeners willing to EQ for detailed, audiophile-leaning sound and wide soundstage
  • All-rounders wanting one bud for music, calls, movies, and long battery life
  • Buyers who prioritize sound quality and deep bass over class-leading ANC
  • Owners who find a snug alt-tip fit (Comply/Spinfit) for stability and comfort
Skip it if
  • Metal/rock fans annoyed by the bloated, muddy stock bass tuning
  • Gamers or video watchers sensitive to noticeable audio latency

What Soundcore Space A40 owners think

Most owners who stick with the Space A40 point to the fit and the battery as the reasons why, calling them comfortable enough to sleep in and able to run for days between charges, with ANC and overall value rounding out the appeal at this price. A meaningful minority pushes back hard on the sound, describing bass that is thin or absent, especially before certain firmware updates, and ranking the tuning behind other Soundcore models like the Liberty 3 Pro and 4NC. A smaller group also reports batteries fading within a year or two, sometimes down to one working bud, plus scattered complaints about fit and inconsistent ANC. The split lands along expectations: buyers focused on comfort and battery come away satisfied, while anyone chasing bass or long-term reliability tends to leave disappointed.

What Soundcore Space A40 owners say

They are great for the price one of the ones I miss most (I lose a lot of buds) and have a soft spot for. Extremely ergonomic fit, and the NC isn’t bad either.
amity_ on Reddit
It’s probably the most comfortable in-ears I’ve ever worn before, and I liked that they kinda went against the grain by having a more neutral sound out-of-the-box
BladeOfSmoke on Reddit
These were definitely not the best choice in earbuds. Sound and ANC are pretty bang average for the price. The only good thing about them really is the battery life, even the fit is poor on me.
bure11 on Reddit

What EAH-AZ100 owners say

EAH-AZ100 is in another league
Master_Cartoonist_16 on Reddit
I love them, got them $80 off.
Harkwit on Reddit
I felt the same as well. These are so overrated
1ElectricalZ1 on Reddit

Soundcore Space A40 vs EAH-AZ100: frequently asked questions

Is the Soundcore Space A40 or the EAH-AZ100 better?

Real owners lean toward the EAH-AZ100: 55% of 233 owners recommend it, vs 31% of 61 for the Soundcore Space A40.

Who should get the Soundcore Space A40?

Owners point the Soundcore Space A40 at budget shoppers wanting solid ANC and battery life without a premium price, and side sleepers who need small, low-profile buds that stay comfortable overnight.

Who should get the EAH-AZ100?

Owners point the EAH-AZ100 at listeners willing to EQ for detailed, audiophile-leaning sound and wide soundstage, and all-rounders wanting one bud for music, calls, movies, and long battery life.

What do owners complain about?

The most-cited downside of the Soundcore Space A40 is bass is thin, washed out, or missing entirely for many owners, especially before certain firmware updates. For the EAH-AZ100, it's aNC is inconsistent across owners, described by many as mediocre, weak, or nearly nonexistent for the price, especially compared to Bose and Sony.