Sennheiser CX 3.00


Sennheiser CX 3.00. In-ear dynamic headphones. High-quality earphones offering detailed sound reproduction and enhanced bass response. Ready to use with all devices.

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Spice up your sound with the new Sennheiser CX 3.00 earphones which offer amazingly detailed sound reproduction and enhanced bass response in an incredibly small package.


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.


These are the earphones you’ve been looking for.



  • Earphones with detailed sound and enhanced bass
  • Optimum fit in the ear canals and high attenuation of ambient noise
  • Elliptical, tangle-free cable
  • Convenient carry case included
  • Ear adapter set (XS, S, M, L)

Additional information

Weight 0.07 kg


Impedance: 18 Ω

Frequency response (headphones): 17Hz – 21kHz

Sound pressure level (SPL): 118 dB

THD, total harmonic distortion: <0.5 % (1 kHz, 100 dB SPL)

Jack plug: 3.5 mm angled

Cable length: 1.2 m

Weight: 12 g


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