Portable Bluetooth Speakers · owner-verdict comparison

Anker Soundcore Motion 300 vs Bose SoundLink Flex (2nd Gen): what real owners say

Real owners rate these about evenly: 47% of 17 Anker Soundcore Motion 300 owners recommend it, vs 43% of 112 for the Bose SoundLink Flex (2nd Gen).

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

Anker Soundcore Motion 300

47%of 17 owners recommend
47% recommend · 29% neutral · 24% don't
Owners praise
  • Strong value for the price
  • Deep, full bass
  • Tunable EQ helps dial in the sound
Owners complain about
  • Sounds muddy or unclear even after EQ
  • Bass doesn't carry over distance outdoors
  • Boosted bass can drown out the mids
Full owner report →

Bose SoundLink Flex (2nd Gen)

43%of 112 owners recommend
43% recommend · 19% neutral · 38% don't
Owners praise
  • Paired in stereo mode, two units deliver noticeably better separation and fuller sound than a single speaker
  • Surprisingly punchy, warm bass and full-bodied sound for such a compact, portable size
  • Strong value at typical sale prices ($25-$100), often called a steal for the sound quality delivered
Owners complain about
  • A firmware update added a jarring, loud startup/shutdown chime with no way to disable or lower its volume, repeatedly startling owners and waking people at night
  • Recent firmware updates stripped away features many relied on, including voice battery announcements, cycling Bluetooth sources via the button, and stable stereo pairing/connections
  • Battery drains even while powered off and degrades within 1-2 years, sometimes failing to hold a charge at all
Full owner report →

Which should you buy?

Get the Anker Soundcore Motion 300 if
  • ✓Budget shoppers wanting big sound under $100
  • ✓Travelers needing a compact, IPX7-rugged speaker
  • ✓Bass and techno fans who like a fuller low end
  • ✓Listeners who dial in sound with the built-in EQ
Skip it if
  • Watching video, where the latency is noticeable
  • Outdoor use where bass must carry over distance
Get the Bose SoundLink Flex (2nd Gen) if
  • ✓Buyers wanting a small, portable speaker with surprisingly punchy bass for its size
  • ✓People who'll pair two units for stereo sound, widely praised as excellent
  • ✓Casual listening at the gym, terrace, hotel room, or camping trips
  • ✓Budget shoppers grabbing sale or refurb units, seen as a great deal at $50-100
Skip it if
  • Anyone sensitive to loud, unmutable startup/shutdown chimes, a widespread firmware complaint
  • Heavy daily users worried about battery longevity, with recurring reports of fast drain or early failure

What Anker Soundcore Motion 300 owners say

“I ended up buying this over the Bose, no regrets at all”
— @Krishnashares on YouTube
“I ended up sending the Bose back. After making a custom EQ with the soundcore app I preferred the motion over the Bose”
— @JoHnNyLa-q7d on YouTube
“No aux input :(. I hate that all these companies are removing aux inputs”
— @questionyourbeliefs on YouTube

What Bose SoundLink Flex (2nd Gen) owners say

“the sound alone is the one that is more important to me, that’s why i ended up buying the Flex”
— @jetlagfrias on YouTube
“Today I pulled the trigger on the flex 2 and I’m blown away.”
— @sasasovec2309 on YouTube
“What a disappointment, it's more of the same, Bose making rehashes”
— @angel24354 on YouTube

Anker Soundcore Motion 300 vs Bose SoundLink Flex (2nd Gen): frequently asked questions

Is the Anker Soundcore Motion 300 or the Bose SoundLink Flex (2nd Gen) better?

Real owners rate these about evenly: 47% of 17 Anker Soundcore Motion 300 owners recommend it, vs 43% of 112 for the Bose SoundLink Flex (2nd Gen).

Who should get the Anker Soundcore Motion 300?

Owners point the Anker Soundcore Motion 300 at budget shoppers wanting big sound under $100, and travelers needing a compact, IPX7-rugged speaker.

Who should get the Bose SoundLink Flex (2nd Gen)?

Owners point the Bose SoundLink Flex (2nd Gen) at buyers wanting a small, portable speaker with surprisingly punchy bass for its size, and people who'll pair two units for stereo sound, widely praised as excellent.

What do owners complain about?

The most-cited downside of the Anker Soundcore Motion 300 is sounds muddy or unclear even after EQ. For the Bose SoundLink Flex (2nd Gen), it's a firmware update added a jarring, loud startup/shutdown chime with no way to disable or lower its volume, repeatedly startling owners and waking people at night.