Boult Audio K40 vs Boult Audio K35: Which Budget Earbuds Win?

Boult Audio has a knack for delivering surprisingly good quality at wallet-pleasing prices. Today, we’re taking a closer look at two of their popular true wireless earbuds – the Boult Audio K40 and K35 – to help you decide which pair suits you best.


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The Sound Factor

  • K40: Bass for Days: Boult’s BoomX technology and 13mm drivers make the K40s a winner if you love heavy-hitting bass. Other frequencies are still there, but the low-end gets the spotlight.
  • K35: Balanced Approach: The K35 aims for a more neutral sound signature. You’ll still enjoy some thump, but it’s a less aggressive and potentially more versatile choice for various music genres.

Beyond Just Music

  • Battery Beasts: The K40 boasts a whopping 48 hours of total playtime, while the K35 delivers a still-respectable 40 hours. Both support super-fast charging when you’re in a hurry.
  • Call Clarity: Both have “ZEN” noise cancellation to improve calls, but it’s best for moderately noisy places, not chaotic ones.
  • Staying in Sync: Both the K40 and K35 have low-latency modes for smooth gaming and video marathons.

Price Differences between Boult Audio K40 and Boult Audio K35

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