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4.4 Based on 5 Reviews
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Norhisham S.
Singapore Singapore
Superb Comfort

I can say that the comfort is superb for this piece. I ride a motorbike so I need to wear a helmet. It doesn't impede with the helmet and it stays in the ear throughout the journey. However, I must say that the earpiece isn't loud enough. Not sure if it's just my device or the apps that I use but I can't seem to get it to be anywhere near the loudness that I like. Maybe it's just me. Overall, this product is something that I would recommend.

Sounds great

These sound almost better than my $100 earphones!

Nathaniel B.
Amazing for the price!

Great headphones for the price, only wish it had a better way to organize them than the cable bag it came with.


Boost your sound with Sennheiser’s CX 300S earphones which offer amazingly detailed sound reproduction and enhanced bass response thanks to Sennheisers transducer technology. The in-ear design reduces ambient noise to a minimum, and the included set of ear-adapters guarantees an individualized fit with four sizes (XS, S, M, L) to choose from. A Smart remote enables you to pause music and take calls across all devices.


  • Built-in microphone and remote for call and music control.

  • Ergonomic In-Ear design for ambient noise isolation and undisturbed listening.

  • Tough and tangle-free cable for long-lasting listening enjoyment.

What's in the box?

  • CX 300S earphones
  • Ear adapter set
  • (XS/S/M/L)
  • Storage pouch
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