Select Store

Bowers & Wilkins BBCWM8.3 Back Box

Free UK Delivery

On Demo

Bowers & Wilkins are a world-famous name within the hifi community and industry, has developed a vast number of loudspeaker models throughout the years and, winning the hearts of audio lovers and critics alike. B&W specialise in maintaining the balance between sound quality and price point, meaning that value for money and true quality is always at the forefront of the company's design process. Their range of in ceiling, in wall and outdoor speakers follow this design philosophy and often incorporate truly innovative quirks and features.

The highly capable CWM8.3 D picks up where the 8.3 left off, offering a superlative audiophile performance from an almost invisible profile. The CWM8.3D is engineered to Bowers & Wilkins to extremely high standards to sit as their flagship in-wall design. this model utilises an intelligent 3-way configuration and features a decoupled Diamond dome tweeter (25mm in size), a 130mm Continuum FST midrange drive unit and two 180mm Aerofoil bass drivers

The backbox of the CWM8.3D followers a similar construction to their award-winning traditional 800D series loudspeakers, featuring their Matrix bracing for added rigidity and a heightened level of sonic performance. The backbox also provides the crossover for the speaker, with bi-wirable cables that are guided by the installer to the terminal panel through tubes before connecting to the baffle with a multi-pin connector. The CWM8.3 D has been built to the same dimensions as its predecessor and is compatible with the previous CWM8.3 backbox, making upgrading your discrete audiophile system an easy process. 

Please note that the CWM8.3BB Back Box is required for installation of the CWM8.3 or CWM8.3 D in-wall speakers and contains components that are essential for the speaker to function. The back box is listed here as an individual product for those who wish to have the backbox installed beforehand and for the speakers to be integrated at a later date. Sold as a single unit.


Model  CWM8.3 D 
 Description  3-way in-wall loudspeaker
 Technical features  Aluminium mini baffle
(can be turned through 90 degrees)

Diamond Dome, 
Nautilus™ tube-loaded tweeter
Anti-resonance plug
FST™ midrange unit
Carbon Aerofoil bass drivers
Drive units  1x ø25mm (1in) Diamond Dome,
Nautilus™ tube-loaded tweeter 

1x ø130mm (5in) Continuum midrange driver
2 x ø180mm (7in) Aerofoil Bass drivers 
 Frequency range (-6dB) 30Hz - 35kHz
        Recommended Amplifier Power        200W 
 Sensitivity 89dB 
 Nominal Impedance  
 Frame height  880mm (34.6in)
  Frame width  254mm (10in)
Cut-out height 864mm (34in)
Cut-out width 238mm (9.4in)
Protrusion 8mm (0.3in)
Net weight 10.9kg
Back Box BB CWM8.3

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.