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Monitor Audio CP-WT150 vs MartinLogan Motion CI MW4-LCR Comparison

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Monitor Audio CP-WT150

Passive In-wall | 75-25kHz

Monitor Audio CP-WT150
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MartinLogan Motion CI MW4-LCR

Passive In-wall | 78-25kHz

MartinLogan Motion CI MW4-LCR
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Monitor Audio CP-WT150 Monitor Audio CP-WT1...
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MartinLogan Motion CI MW4-LCR MartinLogan Motion C...
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Monitor Audio CP-WT1...
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MartinLogan Motion C...
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Monitor Audio CP-WT150 vs MartinLogan Motion CI MW4-LCR Speaker Comparison

In this review, we will be comparing CP-WT150 and Motion CI MW4-LCR, two Passive In-wall speakers from Monitor Audio and MartinLogan.

Let's have a brief look at the main features of Monitor Audio CP-WT150 and MartinLogan Motion CI MW4-LCR 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 )

MartinLogan Motion CI MW4-LCR Key Specs

  • 2-way Design
  • 1" Folded Motion Ribbon Tweeter
  • 2 x 4" Fiberglass Woofer
  • 78-25kHz Frequency Response
  • 93 dB Sensitivity
  • Impedance: 8ohms
  • Power Range:50-100watts
  • Dimensions (H x W x D): 134.0" x 11.8750" x 2.6875"( 134.0 x 302.0 x 69.0mm )

What size room are the Monitor Audio CP-WT150 and MartinLogan Motion CI MW4-LCR 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 MartinLogan Motion CI MW4-LCR
Near-field Good Average
Small Room Good Good
Mid-size Room Average Average
Large Room Poor Poor
Very Large Room No way Bad

(* 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 MartinLogan Motion CI MW4-LCR compare and hopefully end up with enough arguments to decide which one of these loudspeakers is the better choice for you.


**This post contains affiliate links, and I will be compensated if you make a purchase after clicking through my links. As an Amazon Associate I earn from qualifying purchases.


Drivers

Both CP-WT150 and Motion CI MW4-LCR are 2-way speakers.

Driver Monitor Audio CP-WT150 MartinLogan Motion CI MW4-LCR
Driver Setup 2-way 2-way
Tweeter 1-inch 1-inch
Midrange - -
Woofer 1 x 5-inch 2 x 4-inch

CP-WT150 features a 1" Hard-Dome Tweeter and 1 x 5" Poly Woofer . On the other hand, the Motion CI MW4-LCR features a 1" Folded Motion Ribbon Tweeter and 2 x 4" Fiberglass Woofer .

Frequency Response

CP-WT150 has a frequency range of 75-25kHz whereas Motion CI MW4-LCR has a frequency range of 78-25kHz. With a minimum frequency of 75Hz, the CP-WT150 can go slightly deeper then the Motion CI MW4-LCR's min frequency of 78Hz.

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

CP-WT150
Motion CI MW4-LCR
Min
Average
Max
High Frequency

In-wall Speakers

Monitor Audio CP-WT150
MartinLogan Motion CI MW4-LCR
Min
Average
Max

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 Motion CI MW4-LCR 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 Motion CI MW4-LCR's is rated at 93 dB. This 8 dB difference makes the MartinLogan Motion CI MW4-LCR a more sensitive speaker compared to Monitor Audio CP-WT150, hence will play louder with the same amount of watts.

Sensitivity

In-wall Speakers

CP-WT150
Motion CI MW4-LCR
Min
Average
Max

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 100 watts RMS from the amp the whereas CP-WT150 has a max power handling value of 50 watts RMS , 50 watts less than the Motion CI MW4-LCR.

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 Motion CI MW4-LCR 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 MartinLogan Motion CI MW4-LCR'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 MartinLogan Motion CI MW4-LCR has external dimensions of 134.0 x 302.0 x 69.0mm ( 5.2500-inch x 11.8750-inch x 2.6875-inch) .

MartinLogan Motion CI MW4-LCR is 192mm shorter and 27mm less deeper than Monitor Audio CP-WT150 but it is also 95mm wider.

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 speaker
  • Magnetic grille
  • Cosmetic scrim
  • Installation Guide
  • Important Safety Instructions
  • Limited Warranty/Registration Card
  • MountingTemplate
  • What's in the Box of MartinLogan Motion CI MW4-LCR?

    Here are the items that come with the Motion CI MW4-LCR:
  • In-wall loudspeaker
  • Grille
  • Torx-bit
  • User-feets Manual
  • Cutout Template

  • Reasons to choose Monitor Audio CP-WT150 over MartinLogan Motion CI MW4-LCR
    Woofer Size 5 inches vs 4 inches Larger woofer
    Low Frequency Response 75 Hz vs 78 Hz Generates deeper bass
    Base Surface Area 198cm2 vs 208cm2 Takes less floor space
    Price per pair* 880USD vs 1100USD costs less (*prices may change depending on the seller, location and time)

    Reasons to choose MartinLogan Motion CI MW4-LCR over Monitor Audio CP-WT150

    Max Input Power 100 watts vs 50 watts Handle more power from your amplifier
    Sensitivity 93 dB vs 85 dB Play louder with same amount of amplification power
    Nominal Impedance 8 ohms vs 6 ohms Less selective with amplifiers
    Number of Woofers 2 vs 1 More woofers
    Height 134mm vs 326mm Easier to fit in smaller spaces
    Monitor Audio CP-WT150 vs MartinLogan Motion CI MW4-LCR Specs Table
    Detailed comparison of specifications
    General Monitor Audio CP-WT150 MartinLogan Motion CI MW4-LCR
    Brand Monitor Audio MartinLogan
    Speaker Type Passive In-wall Speaker Passive In-wall Speaker
    Power Range 20-50 watts 50-100 watts
    Sensitivity 85 dB 93 dB
    Impedance 6 ohms 8 ohms
    Frequency Response 75-25kHz 78-25kHz
    Drivers
    Woofer Quantity 1 2
    Woofer Size 5" 4"
    Woofer Composition Poly Fiberglass
    Woofer Surround Material Rubber Rubber
    Tweeter Size 1" 1"
    Tweeter Type Hard-Dome Folded Motion Ribbon
    Aimable Tweeter No No
    Midrange Driver N/A" N/A"
    Physical Specs
    Height 326.0mm (12.8") 134.0mm (5.3")
    Width 207.0mm (8.1") 302.0mm (11.9")
    Depth 96.0mm (3.8") 69.0mm (2.7")
    Enclosure In-wall In-wall
    Moisture Resistancy No No
    Connections
    Biamp Inputs No No
    Other
    Parts Warranty Lifetime 5 Years
    Labor Warranty Lifetime 5 Years

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