Bowers & Wilkins Reference Series CWM7.5 S2 is a 2-way Passive In-wall In-wall speaker by Bowers Wilkins. It was released in 2018. It features a 1" Soft-Dome Tweeter and 1 x 5" Continuum Woofer. The speaker has a frequency range of 45-28kHz and a sensitivity of 86 dB. B&W CWM7.5 S2 has an MSRP of 2000$ per pair.
Room Size Suitability
The size of the room where you plan to use the B&W CWM7.5 S2 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 Reference Series of Loudspeakers
CWM7.5 S2 is a member of Bowers Wilkins's Reference series of Passive speakers. The Reference (CWM) Series are Bowers & Wilkins' flagship in-wall speakers, voiced to match their freestanding Reference models. Below you can see the main specs of these speakers.
Bowers Wilkins Reference Series Speakers
Frequency Response of the B&W CWM7.5 S2 Speaker
B&W CWM7.5 S2 has a Frequency response range of 45-28kHz and Power Range of 25-150 watts. With a minimum frequency of 45 Hz, CWM7.5 S2 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 CWM7.5 S2'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 CWM7.5 S2?
Impedance and Sensitivity
B&W CWM7.5 S2's nominal impedance level is
8 ohms and has a sensitivity of
86 dB.
Sensitivity
In-wall Speakers
8 Ohms is pretty much the standard nominal impedance amongst stereo speakers and amplifiers so Bowers & Wilkins Reference Series CWM7.5 S2 is not considered a difficult to drive speaker from nominal Impedance perspective.
Sensitivity
With a sensitivity level of only 86 dB, Bowers & Wilkins Reference Series CWM7.5 S2 is a difficult to drive speaker from Sensitivity perspective, make sure to choose an amplifier with a high output if you like listening to your music at high volume levels. You may especially have a hard time using Tube amplifiers which are traditionally very low power compared to Class A/B or Class D amps. Work out how loud the B&W CWM7.5 S2 plays in your room →
What amplifier does the B&W CWM7.5 S2 need?
At normal listening levels in a medium room, about
19–150 W
per channel into 8 ohms.
Set your own conditions and we will rank every amplifier we cover.
Prefer to browse? Integrated amplifiers under $2,000, or every amplifier we cover.
Input Type
CWM7.5 S2 features Sprint post type connectors. Bi-amping and Bi-wiring are not possible.
Work out what gauge speaker cable this run needs →
B&W CWM7.5 S2 External Dimensions and Weight
B&W CWM7.5 S2 has external dimensions of (Height x Width x Depth) 13.0000-inch x 7.4375-inch x 4.0625-inch (331.0 x 189.0 x 104.0mm ).
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 CWM7.5 S2 is approximately 196.6cm2 / 30.5inch2.
Find speakers that fit your shelf or alcove →
How does the B&W CWM7.5 S2 compare to the Bowers Wilkins Reference Series CWM7.4 S2?
One of the natural alternative to the B&W CWM7.5 S2 is the CWM7.4 S2 which is located one step higher in Bowers Wilkins's Passive In-wall selection.
Check the Detailed Comparison of B&W CWM7.5 S2 vs CWM7.4 S2 for more details.
Cabinet type and Materials
B&W CWM7.5 S2 has a
In-wall type cabinet.
What's in the Box of B&W CWM7.5 S2?
Here are the items that are included inside the box of CWM7.5 S2:
- In-wall loudspeaker
- Mounting frame
- Grille
- Baffle box
- 2 Mounting plates (1 pre-installed)
- Paint shield
- Two-piece foam port plug
- 3 Screws
- 3 Lock-washers
- 2 Wing-nuts
- 2 Fasteners
- Cutout Template
- Installation Instructions
- Warranty Information
Recommended Accessories
Here is a list of accessories that we think you may need for the Bowers & Wilkins Reference Series CWM7.5 S2.
Warranty
5 Years of parts warranty and 5 Years of labor warranty is generally provided by the manufacturer.