Bowers & Wilkins Performance Series CWM664 is a 2-way Passive In-wall In-wall speaker by Bowers Wilkins. It was released in 2015. 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.)
Bowers Wilkins's Performance Series of Loudspeakers
CWM664 is a member of Bowers Wilkins's Performance series of Passive speakers. The Performance (CWM) Series are B&W's high-performance in-wall custom-install speakers. Below you can see the main specs of these speakers.
Bowers Wilkins Performance Series Speakers
Frequency Response of the B&W CWM664 Speaker
B&W CWM664 has a Frequency response range of 45-35kHz 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.
Here we have a comparison of how CWM664's Low frequency value compares with the average, max and min Low frequency values in its class.
Low Frequency
In-wall Speakers
Thinking about a subwoofer for the B&W CWM664?
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. Work out how loud the B&W CWM664 plays in your room →
What amplifier does the B&W CWM664 need?
At normal listening levels in a medium room, about
12–130 W
per channel into 8 ohms.
Set your own conditions and we will rank every amplifier we cover.
Prefer to browse? Integrated amplifiers under $750, or every amplifier we cover.
Input Type
CWM664 features Spring post type connectors. Bi-amping and Bi-wiring are not possible.
Work out what gauge speaker cable this run needs →
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.
To get a better perspective on the real life size of B&W CWM664, let's compare it with a standard size Compact Disc which has a diameter of 4.7inch (120mm).
B&W CWM664 Speaker Size Compared to a Compact Disc
Find speakers that fit your shelf or alcove →
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.
Here is a scaled size comparison of these two speakers to give you an idea how their external dimensions compare:
Comparison image of B&W CWM664 and B&W CWM663 Size and External Dimensions
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 loudspeakers
- 2 Mounting frames
- 2 Grilles
- 2 Paint mask
- 2 Cut-out templates
- Quick Start Guide
- Template
- Warranty 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.