Bowers & Wilkins Performance Series CWM664 is a 2-way Passive In-wall In-wall speaker by Bowers Wilkins. It features a 1" Soft-Dome Tweeter and 1 x 6" Glass-fiber Woofer. The speaker has a frequency range of 45-35kHz and a sensitivity of 87.5 dB. B&W CWM664 has an MSRP of 700$ per pair.
Room Size Suitability
The size of the room where you plan to use the B&W CWM664 is a crucial factor in your decision. We have assessed its suitability for various room sizes based on its dimensions and maximum power output:
| Listening Environment* |
Suitability |
| Near-field | Poor |
| Small Room | Average |
| Mid-size Room | Good |
| Large Room | Average |
| Very Large Room | Poor |
(* Approximate Room sizes: Small < 100sq. ft / 9 m2, Mid-size: 100-220 sq. ft / 9-20 m2, Large 220-400 sq. ft / 20-36 m2, Very Large: > 400 sq. ft / 36 m2.
Average Floor Height: 9" / 2.7m. Typical room sizes differ from country to country, and the actual listening experience changes depending on floor height, room shape, surface materials, listening position, speaker locations, etc.)
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Frequency Response of the B&W CWM664 Speaker
B&W CWM664 has a Frequency response range of 45-35kHz at ±3dB and Power Range of 25-130 watts. With a minimum frequency of 45 Hz, CWM664 delivers moderate bass depth so depending on your use case, you might want to consider adding a subwoofer to your system.
To focus on the subwoofers that are in a similar price range with B&W CWM664, check out the Powered Subwoofers under $750. Alternatively, find the Full list of Powered Subwoofers regardless of the price.
Here we have a comparison of how CWM664's Low and High frequency values compare with the average, max and min Low and High frequency values in its class.
Low Frequency
In-wall Speakers
High Frequency
In-wall Speakers
Impedance and Sensitivity
B&W CWM664's nominal impedance level is
8 ohms and has a sensitivity of
87.5 dB.
Sensitivity
In-wall Speakers
8 Ohms is pretty much the standard nominal impedance amongst stereo speakers and amplifiers so Bowers & Wilkins Performance Series CWM664 is not considered a difficult to drive speaker from nominal Impedance perspective.
Sensitivity
88dB of the Bowers & Wilkins Performance Series CWM664 is an average sensitivity for stereo speaker so it is neither easy nor difficult to drive Sensitivity wise.
Check the amplifiers that are in a similar price range to the B&W CWM664:
Input Type
CWM664 features Spring post type connectors. Bi-amping and Bi-wiring are not possible.
B&W CWM664 External Dimensions and Weight
B&W CWM664 has external dimensions of (Height x Width x Depth) 11.0000-inch x 7.2500-inch x 3.7500-inch (280.0 x 185.0 x 96.0mm ).
Base Surface Area
Base surface area of a loudspeaker may become a determining factor when the space in your room or desk is limited.
The base area of B&W CWM664 is approximately 177.6cm2 / 27.5inch2.
How does the B&W CWM664 compare to the Bowers Wilkins Performance Series CWM663?
One of the natural alternative to the B&W CWM664 is the CWM663 which is located one step higher in Bowers Wilkins's Passive In-wall selection.
Check the Detailed Comparison of B&W CWM664 vs CWM663 for more details.
Cabinet type and Materials
B&W CWM664 has a
In-wall type cabinet.
What's in the Box of B&W CWM664?
Here are the items that are included inside the box of CWM664:
2 In-wall loudspeakers2 Mounting frames2 Grilles2 Paint mask2 Cut-out templatesQuick Start GuideTemplateWarranty Information
Recommended Accessories
Here is a list of accessories that we think you may need for the Bowers & Wilkins Performance Series CWM664.
Warranty
5 Years of parts warranty and 5 Years of labor warranty is generally provided by the manufacturer.