Sennheiser CX 1.00 In-Ear Headphones


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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 1.00 headphones from Sennheiser follow the same design philosophy as any of their models; to offer an exceptional performance and build quality at an appropriate price point. These in-ear headphones feature a deep and dynamic bass response, and an excellent stereo image. Extremely compact in design, comfort and portability are brilliant. Four different sized adapters are included, so that you are able to find the best sounding and most comfortable fit for your ears.


Impedance Earphones 
Colours black / white
Impedance 28Ω
Frequency response 17 - 20000 Hz
Sound pressure level (SPL) 119 dB (SPL)
THD, total harmonic distortion < 0.5 % (1 kHz, 100 dB SPL)
Jack plug 3.5 mm angled
Cable length 1.2 m
Weight dynamic

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Providing your item is in stock, the order is usually dispatched within 24 hours. Please remember that postage and packing is completely free for orders over £50*. 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.

Deliveries usually take 1-3 working days. The majority of orders are sent via our couriers'; Interlink Express on a next-day-delivery service. Smaller, low value or light-weight items are normally posted using Royal Mail Recorded or Royal Mail Special Delivery.

Once your product has been dispatched, you will be notified via email and sent a unique consignment number, you can use this number at to check the status of your delivery. If you have provided a mobile telephone number, Interlink's Predict service will notify you by text (and email) of a one-hour delivery window. If the window they suggest is inconvenient, you can change the date of delivery to a later one via text or email.

*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.

Shipping CostsMainland UK (Next-Day)Offshore/Out-of-reach (2-day)Northern Ireland, Channel Islands, Isle of Man, Scottish Islands, Scilly IslandsRepublic of Ireland (2-day)
Under £50 Orders £7.50 £12.50 £15.00
Over £50 Orders FREE £19.99 £29.99
Surcharge Orders £50.00 £69.99 £79.99
Saturday Delivery £12.99 N/A N/A
Sunday Delivery £12.99 N/A N/A
Saturday by 12 Delivery £35 N/A N/A


Post codes exempt from the free delivery service include:

Scottish Highlands Post Codes: AB30-38, AB41-42, AB44-56, FK17-99, G83, IV1-28, IV30-39, IV52-54, IV63, KW1-14, PA21-33, PA34-40, PH15-26, PH31-41, PH49-50
Islands Post Codes: HS1-9, IV40-51, IV55-56, KA27-28, KW15-17, PA20, PA41-49, PA60-78, PH42-44, ZE1-3
Northern Ireland: All BT postcodes
Channel Islands Post Codes: JE, GY
Scilly Isles Post Codes: TR21, TR22, TR23, TR24, TR25