SKU: NZ3864

Product Details

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

Technical Data

  • Impedance 18
  • Frequency response (Microphone) 100 - 10,000 Hz (-10 dB)
  • Frequency response 17-21,000 Hz (-10 dB)


  • Headphones type - In-ear
  • Headphones use - Travel
  • Noise reduction type - Sound isolation
  • Sound-Isolating - True
  • Built-in microphone - True

    Manufacturer's warranty - 2 Years

Delivery and Returns

Delivery information:
This item may be delivered separately from other items purchased

Ratings and Reviews


CX 300S In-Ear Wired Headphones

Sold and delivered by Qantas Rewards Store

17,210 PTS
Now 40% off points
Save 6,890 points
Note: Sale ending on 28 Feb 2023 12:59 PM (AEST) while stock lasts
Standard delivery
1,200 PTS or $8.00
Dispatches in 5 days
EST. delivery charge