Bowers & Wilkins CWM663 In-Wall Loudspeakers


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The CWM663 is one of Bowers & Wilkins more adept in-wall models, and utilises a high quality blue Kevlar bass/midrange cone. This cone sits within a die-cast chassis, providing additional rigidity which in turn results in a cleaner, more dynamic bass response. The tweeter has also been thoroughly thought-out, comprising of a light, aluminium material and incorporating a Nautilus tube to absorb unwanted sonic radiation. 

A three-position high frequency switch is integrated onto the speaker itself, allowing you to adjust the sound of the speaker depending on the application or acoustic environment. It's quick and easy to install, thanks to B&W's innovative QuickDogs plug-and-play installation functionality.



 Description  2-way in-wall system
Drive units  1x ø25mm (1in) Nautilus™ tube
loaded aluminium dome tweeter
1x ø150mm (6in) blue Kevlar®
cone bass/midrange 
Frequency Range (-6dB) 45Hz – 50kHz 
 Maximum Amp Power 25 – 150w 
     Sensitivity SPL (2.83V, 1m)        88dB  
 Impedance Nominal (min)  8Ω (4.5Ω)  
 Frame height 315mm (12.4in)  
 Frame width 221mm (8.7in) 
 Cut-out height 279mm (11in) 
 Cut-out width 183mm (7.2in)
 Depth behind surface 95mm (3.7in)
Protrusion 4mm (0.2in)
Pre-mount Kit PMK W6
Back Box BB 6W

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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

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