In this review, we will be comparing CP-WT150 and B28W, two Passive In-wall speakers from Monitor Audio and Revel. Let's have a brief look at the main features
of Monitor Audio CP-WT150 and Revel B28W first before getting into our more
detailed comparison.
Monitor Audio CP-WT150 Key Specs
- 2-way Design
- 1" Hard-Dome Tweeter
- 5" Poly Woofer
- 75-25kHz Frequency Response
- 85 dB Sensitivity
- Impedance: 6ohms
- Power Range:20-50watts
- Dimensions (H x W x D): 326.0" x 8.1250" x 3.7500"( 326.0 x 207.0 x 96.0mm )
Revel B28W Key Specs
- 1-way Design
- " Tweeter
- 2 x 8" Polymer-coated aluminum Woofer
- 36-150Hz Frequency Response
- 0 dB Sensitivity
- Impedance: 8ohms
- Power Range:350watts
- Dimensions (H x W x D): 597.0" x 14.5000" x 4.0000"( 597.0 x 369.0 x 102.0mm )
What size room are the Monitor Audio CP-WT150 and Revel B28W speakers good for?
The size of the room in which you are planning to use these loudspeakers is an important decision factor. Here we have compared their suitability to various sizes of environments considering their size and max power parameters:
| Listening Environment* |
Monitor Audio CP-WT150 |
Revel B28W |
| Near-field |
Good |
Are you nuts? |
| Small Room |
Good |
Bad |
| Mid-size Room |
Average |
Poor |
| Large Room |
Poor |
Good |
| Very Large Room |
No way |
Good |
(* 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.)
In the following sections, we will get into more detail in order to better understand how the Monitor Audio CP-WT150 and Revel B28W compare and hopefully end up with enough arguments to decide which one of these loudspeakers is the better choice for you.
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Drivers
One of the fundamental differences between these two speakers is that CP-WT150 is a 2-way design whereas the B28W is a 1-way speaker. 3-way designs utilize a midrange driver in addition to the tweeter and woofer on 2-way designs. Designing a crossover for a 3-way speaker is a complicated process and generally increases the overall cost of the speaker.
| Driver |
Monitor Audio CP-WT150 |
Revel B28W |
|
Driver Setup
|
2-way
|
1-way
|
|
Tweeter
|
1-inch
|
-inch
|
|
Midrange
|
- |
- |
|
Woofer
|
1 x 5-inch
|
2 x 8-inch
|
CP-WT150 features a 1" Hard-Dome Tweeter and 1 x 5" Poly Woofer . On the other hand, the B28W features a " Tweeter and 2 x 8" Polymer-coated aluminum Woofer .
Frequency Response
CP-WT150 has a frequency range of 75-25kHz whereas B28W has a frequency range of 36-150Hz. With a minimum frequency of 36Hz, the B28W can go significantly deeper on the low side and provide stronger bass compared to the CP-WT150's min frequency of 75Hz.
Below graphs depict how these two speakers compare with the max, min and average values of the Min and Max Frequencies of other speakers in the In-wall class in our database.
Low Frequency
In-wall Speakers
High Frequency
In-wall Speakers
None of these speakers achieves full range experience which is commonly agreed as 20Hz-20kHz. In order to achieve lower lows / deeper bass, we recommend you pair these with a subwoofer. Visit our Powered Subwoofers section to find out more about the available options.
Impedance and Sensitivity
CP-WT150 is a 6 ohms speaker compared to the B28W which has a nominal impedance of 8 ohms.
These two speakers also have different sensitivity levels. CP-WT150 sensitivity is rated at 85 dB and the B28W's is rated at 0 dB. This 85 dB difference makes the Monitor Audio CP-WT150 a more sensitive speaker compared to Revel B28W, hence will play louder with the same amount of watts.
Sensitivity
In-wall Speakers
Power Range
Power
range is the range of input power in watts RMS that a loudspeaker is designed to handle. While using an amplifier within this range ensures the nominal performance , inputting a power that is higher than the max wattage can result in a damaged speaker.
CP-WT150 can handle a max power of 350 watts RMS from the amp the whereas CP-WT150 has a max power handling value of 50 watts RMS , 300 watts less than the B28W.
Keep in mind that a higher max power handling value doesn't necessarily make that a louder speaker
compared to a lower max handling speaker. Loudness or the sound level is also impacted by parameters
such as Impedance, sensitivity and system efficiencies.
Input Type and Bi-Amping / Bi-Wiring
CP-WT150 features Spring post type posts and B28W has a Spring post type posts. None of these speakers feature bi-amping/bi-wiring.
Physical Specs
Size of a speaker can sometimes become an important decision factor due to space constraints or in some cases purely for esthetic reasons. In this section, we are going to compare Monitor Audio CP-WT150's and Revel B28W's external dimensions. Monitor Audio CP-WT150 has external dimensions of 326.0 x 207.0 x 96.0mm ( 12.8125-inch x 8.1250-inch x 3.7500-inch) whereas Revel B28W has external dimensions of 597.0 x 369.0 x 102.0mm ( 23.5000-inch x 14.5000-inch x 4.0000-inch) .
Revel B28W is clearly the larger of the two speakers. Its body is 162mm wider, 271mm taller and 6mm deeper than Monitor Audio CP-WT150.
What's in the Box of Monitor Audio CP-WT150?
Here are the items that are included inside the box of CP-WT150:
In-wall speakerMagnetic grilleCosmetic scrimInstallation GuideImportant Safety InstructionsLimited Warranty/Registration CardMountingTemplate
What's in the Box of Revel B28W?
Here are the items that come with the B28W:
In-wall subwooferGrille8 Screws8 Washers8 IsolatorsOwners Manual
Driver Setup 
Height 
Base Surface Area 
Price per pair* 
Max Input Power 
Nominal Impedance 
Woofer Size 
High Frequency Response