Bowers & Wilkins
Bowers & Wilkins CWM 663
Best in-wall speaker for audiophiles seeking high-fidelity home theater sound.
The Bowers & Wilkins CWM 663 in-wall speakers deliver exceptional audio performance. Featuring a 150mm (6-inch) blue Aramid Fiber bass/midrange driver in a rigid die-cast chassis, these speakers produce clean, fast bass. The Nautilus tube-loaded aluminum dome tweeter minimizes unwanted sonic radiation, while a three-position high-frequency switch allows for precise sound tuning. Installation is made simple with QuickDogs and plug-and-play functionality.
$550.00
Owner Satisfaction
4.5
/ 5
Category Rank
2643
/ 6609
#2643 in Speakers
Price vs Category Average
-62%
Below average
Tweeter
251
/ mm (in) Nautilus tube loaded aluminium dome
Who it's for
- Audiophiles seeking high-fidelity sound in a discreet form factor
- Design-conscious homeowners prioritizing clean, clutter-free living spaces
- Custom installers needing flexible tuning for diverse room acoustics
Who should skip it
- Budget-minded buyers avoiding extra professional labor costs
- Shoppers looking for entry-level or value-oriented audio solutions
- Renters or homeowners who frequently rearrange their living spaces
Performance breakdown
Acoustic Clarity
Nautilus tube-loading ensures crisp, distortion-free highs for immersive listening.
Bass Response
Aramid fiber drivers deliver tight, punchy low-end performance for in-wall units.
Installation Simplicity
QuickDogs mounting system makes setup remarkably fast and frustration-free.
Sound Customization
Three-position switch allows for precise tuning to match your room acoustics.
Build Integrity
Rigid die-cast chassis minimizes vibration for a cleaner, more stable sound.
Integration Versatility
Designed to blend seamlessly into high-end home theater configurations.
Key Specs
Tweeter
25mm (1in) Nautilus tube loaded aluminium dome
Bass/Midrange
150mm (6in) blue Aramid Fibre cone
Frequency Range
45Hz – 50kHz
Recommended Amp Power
25 – 150w
Sensitivity
88dB
Impedance
8 Ohms (4.5 Ohms)
Frame height
315mm (12.4in)
Frame width
221mm (8.7in)
Features
- 150mm (6-inch) blue Aramid Fiber bass/midrange driver
- Die-cast chassis for enhanced rigidity
- Nautilus tube-loaded aluminum dome tweeter
- Three-position high-frequency switch for sound tuning
- QuickDogs spring clamp mounting system
- Plug-and-play functionality
- Designed for seamless home theater integration
What customers say
Customers consistently praise the Bowers & Wilkins CWM 663 for its exceptional sound quality and seamless design integration. Reviewers frequently highlight the speaker's ability to deliver rich, detailed audio that belies its in wall placement, making it a favorite for discerning audiophiles seeking discreet yet powerful sound. The build quality is also a recurring positive, reinforcing its premium standing. This speaker offers a superior audio experience that blends effortlessly into any sophisticated living space.
Know before you buy
The 150mm blue Aramid Fiber cone provides exceptional rigidity and speed, which results in cleaner, more precise bass and midrange performance compared to standard paper or plastic cones.
Yes, the CWM 663 features a three-position high-frequency switch that allows you to fine-tune the treble output to better suit the acoustic characteristics of your specific room.
Installation is straightforward thanks to the QuickDogs spring clamp system, which allows you to secure the speaker into the wall without needing complex tools. The plug-and-play design further simplifies the connection process.
These speakers are designed to work with amplifiers rated between 25 and 150 watts per channel. This wide range makes them compatible with most standard home theater receivers.
You will need a cutout height of 279mm (11 inches) and a cutout width of 183mm (7.2 inches) to properly fit the speaker frame into your wall.
The Nautilus tube-loaded aluminum dome tweeter is designed to absorb unwanted rear sound radiation. This technology helps reduce distortion and ensures a clearer, more detailed high-frequency response.
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