Onkyo ES-CTI300 Headphones

Onkyo ES-CTI300 Headphones

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Onkyo's ES-CTI300 are designed to give you the same level of outstanding power and fidelity that one would find with any Onkyo product, offering this superlative sound and design in the form of a comfortable pair of headphones for the optimal private listening experience 

high quality driver technology makes use of Onkyo's 70+ years of experience of building some of the most critically acclaimed audio components on the market. These drivers comprise of a titanium material, and allow for a wide dynamic range, complete with every ounce of detail in the high frequency spectrum, tempered with a controlled, liquid-like bass response. 

Durable yet comfortable, a flat-folding design makes them easy to transport with premium trimmings and accents forming a truly premium aesthetic. 



 Driver Type Dynamic Titanium  
Driver Size  40 mm (1 9/16˝)  
Frequency Response   10 Hz–27 kHz
 Maximum Input Power 1000 mW
 Output Sound Pressure Level 97 dB/mW 
 Nominal Impedance  32 Ohms
Cable Type   Oxygen-Free 6N (99.9999%)
Pure Copper with
Thick Elastomer Sheath
Length  1.2 m (47 1/4˝) (x1)  
 MMCX Connector  Gold-Plated Detachable
 Stereo Plug  Gold-Plated 3.5 mm (1/8˝) L-Type
 Weight (without cable)  240 g (8.5 oz)

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

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