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Sennheiser CX 300S Earphones (White)

Item # SRDCX300SW (Part # 508595)
Brand new, USA Warranty
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Item Description:
  • Powerful Sound and Deep Bass
  • 17 Hz to 21 kHz Frequency Response
  • In-Ear Design Reduces Ambient Noise
  • 3.5mm Mini-Jack Connector
  • 4 x Ear Adapter Sizes (XS, S, M, L)
  • Built-In Microphone and Remote
  • Includes Storage Pouch
  • Enhance your listening experience with these Sennheiser CX 300S earbud headphones. The built-in smart remote lets you pause music and take calls while keeping devices safe in storage. These Sennheiser CX 300S earbud headphones have an in-ear design that, when coupled with the different ear adapters, helps isolate sound and block unwanted background noise. CX 300S offers a powerful sound experience with a deep and punchy bass. They can be used for reproducing audio for MP3 players, smartphones, tablets, and audio recorders with a 3.5mm mini-jack connector. The in-ear design provides comfort while the included set of ear adapters in four-different sizes (XS, S, M, and L) ensure effective noise blocking.


    • Headset controls
      Include answer/end, play/pause and next/previous track.

    • Built-in microphone
      Enables simple hands-free chatting via a compatible device.

    • 17Hz - 21kHz headset frequency response
      Along with a 100Hz - 10kHz microphone frequency response ensures faithful sound reproduction.

    • 18 ohms impedance
      To efficiently conduct power.

    • Dynamic transducer design
      For reference-grade audio.

    • Stereo design
      Delivers crisp tones.

    • 4' cable
      Permits a flexible range of motion

    Sennheiser CX 300S Specs


    Design In-Ear (Intra-Aural)
    Driver Type Dynamic
    Number of Drivers 1, per Earpiece
    Active Noise Cancellation No


    Frequency Response 17 Hz to 21 kHz
    Impedance 18 Ohms
    Maximum Sound Pressure Level (SPL) 118 dB
    Total Harmonic Distortion (THD) 0.5%


    Pickup Pattern Omni-Directional
    Frequency Response 100 Hz to 10 kHz
    Sensitivity -44 dB
    Type Dynamic


    Audio Connector 1/8" / 3.5 mm TRRS Angled
    Adapter (Included) None


    Cable Design Y-Type
    In-Line Remote/Microphone Yes
    Full Remote OS Support Android, iOS
    Cable Length 47.24" / 1.2 m
    Sennheiser CX 300S Earphones (White)
    4 x Ear Adapter Set (XS, S, M, and L)
    Storage Pouch
    Limited 2-Year Warranty
    This Kit Includes: