Sennheiser CX300-II in-ear headphones

Sennheiser CX300-II in-ear headphones

Sorry, This product is no longer available



Sennheiser design and construct some of the most highly regarded headphone models on the market today, and are commonly thought of as 'THE' headphone manufacturer for casual listening, studio monitoring, and for critical, audiophile reference. Sennheiser offer a vast range of models with a familiar design concept; to offer the best possible sound quality and build quality at all price points.

The CX-300 II provides a powerful, bass-driven stereo sound with a superior level of detail and punchy dynamics when compared to other headphone models in its class. The headphones come with a number of various ear-bud sizes to allow you to find the best fit for your ears, for optimum comfort while also ensuring that sound is isolated an leakage is kept to a minimum. The asymmetrical cable design improves comfort even further. What Hifi awarded these highly remarkable headphones 5 stars within their review. 


* High-quality dynamic speaker systems for powerful, bass-driven stereo sound
* Excellent fit in the ear canals and high attenuation of ambient noise (ear adapters in different sizes included)
* Convenient carrying pouch included
* Optimised for MP3, iPod, iPhone, CD players and portable gaming systems (iPod and iPhone are trademarks of Apple Inc. registered in the U.S. and other countries)
* Asymmetrical cable
* 2-year warranty


  * Frequency Response 1

    19Hz - 21kHz

    * Input impedance

    16 Ohms

    * Sound Pressure Level

    113dB (1kHz/1Vrms)

    * Lead length


    * Transductor Principle



Providing your item is in stock, the order is usually dispatched within 24 hours. Postage and packing is completely free for orders over £100*. Out of stock items will be dispatched as soon as they become available, out of stock items can take between 4 to 21 days for dispatch.


Orders are sent via our couriers' DPD on a next-day-delivery service and usually, take between 1 and 3 days. 


Please use this link to find more detailed delivery information.


*We ship free of charge to mainland UK addresses, excluding the Scottish Highlands or 'Out-Of-Reach' Scottish locations. Please consult the post-codes below to see if your location falls within this category. If you are still unsure, please contact us on 01432 354921. We also ship to Northern Ireland, Channel Islands, Scilly Isles, Scottish Isles and Scottish Highlands, however, delivery to these locations will incur a charge and can only be sent via a 2-day service.

Press & Awards