CX 300S

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.
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★ ★ ★ ☆ ☆ 3.3
6 Reviews

Overview

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.


Features

  • 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 Ω
  • Frequency response (Microphone)
    100 – 10,000 Hz (-10 dB)
  • Frequency response
    17–21,000 Hz (-10 dB)
  • Sound pressure level (SPL)
    118 dB
  • THD, total harmonic distortion
    <0.5 % (1 kHz, 100 dB SPL)
  • Ear coupling
    Ear-canal
  • Jack plug
    3.5 mm angled
  • Cable length
    1.2 m
  • Transducer principle
    Dynamic
  • Weight
    12 g
  • Earpad size
    XS;S;M;L
  • Pick-up pattern
    Omni directional
  • Microphone sensitivity
    44dbV/Pa
  • Acoustics
    Closed
  • Sensitivity
    118 dB SPL @ 1 kHz, 1V RMS
  • Ear pad material
    Silicon rubber
Reviews (6)
3.3 of 5 ★ ★ ★
  • Pang
    Kuala Lumpur, Malaysia
    ★★★★☆
    Great sound, affordable earphone

    This is my first purchase of the Sennheiser product replacing my old earphone and am really amazed at the superb and clear sound quality. Have been using it daily for 2 months now. Even there are some bad points given, overall I m still happy.

    PRO:

    - well and solid built - comfortable earbuds - clear and detailed sound - punchy Bass that suit to my usual listening

    CON:

    - lacking in the stereo surround sound. - when the cables rub against the clothes or body, that disturbing sound travels to the earphone. - the CapTune app does not integrate to streaming aerobics which I m using such as Spotify, therefore can’t customize the sound.

    BEST USES:

    Listening to music

    BOTTOM LINE:

    I would recommend this to a friend.

  • Sid
    Nashville
    ★★★★☆
    Good sound for gaming

    They have good sound

    PRO:

    I have read other reviews complaining about these earbuds not having stereo sound. I have only used these plugged into my ps4 controller and I can tell where the next target is by the sound. Maybe it’s the game, BL3,

    CON:

    The wires do transmit too much sound when brushed against something . The earbud tips pop off very easily. I ordered replacements FROM Steinhauser for the CX model and the inner diameter was too large to stay on the post

    BEST USES:

    Only used for gaming. The wire sounds would be a distraction while running or cycling I feel

    BOTTOM LINE:

    I would recommend this to a friend.

  • Sarthak
    Hamirpur
    ★★★★☆
    Value for money

    It's a nice product to try. Feels premium and is compact in size.

    PRO:

    Good sound. Compact size. Looks premium.

    CON:

    Not suitable during walking or whenever any movement is involved. Touching of wire with other surface like shirt may hinder the listening experience.

    BEST USES:

    Games, Music

    BOTTOM LINE:

    I would recommend this to a friend.

Downloads

  • EU Declaration of Conformity
    • EU Declaration of Conformity (620 KB) Download

  • Quick Guides
    • Safety and Quick Guide CX 300S (3.2 MB) Download