Monitor Audio CP-WT240LCR vs MartinLogan Motion XT CI XTW6-LCR Comparison

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Monitor Audio CP-WT240LCR

Passive In-wall | 60-25kHz

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MartinLogan Motion XT CI XTW6-LCR

Passive In-wall | 44-25kHz

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Monitor Audio CP-WT240LCR vs MartinLogan Motion XT CI XTW6-LCR Speaker Comparison

In this review, we will be comparing CP-WT240LCR and Motion XT CI XTW6-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-WT240LCR and MartinLogan Motion XT CI XTW6-LCR first before getting into our more detailed comparison.

Key Specs	Monitor Audio CP-WT240LCR	MartinLogan Motion XT CI XTW6-LCR
Brand	Monitor Audio United Kingdom · founded 1972	MartinLogan United States · founded 1982
Design	2-way	3-way
Tweeter	1" Hard-Dome	1.27 x 2.4" Folded Motion Ribbon
Midrange	—	6.5"
Woofer	2 x 4" C-CAM	2 x 6.5" Kevlar
Frequency response	60-25kHz	44-25kHz
Sensitivity	88 dB	93 dB
Impedance	6 ohms	8 ohms
Power range	20-100 watts	50-150 watts
Dimensions (H x W x D)	11.7500" x 7.1875" x 3.8125" 299.0 x 183.0 x 97.0mm	27.0000" x 6.6250" x 3.5625" 686.0 x 169.0 x 91.0mm

What size room are the Monitor Audio CP-WT240LCR and MartinLogan Motion XT CI XTW6-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-WT240LCR	MartinLogan Motion XT CI XTW6-LCR
Near-field	Average	Poor
Small Room	Good	Average
Mid-size Room	Average	Good
Large Room	Poor	Average
Very Large Room	Bad	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.)

The sections below take each area in turn: drivers, frequency response, physical size and what you get in the box.

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

Drivers

One of the fundamental differences between these two speakers is that CP-WT240LCR is a 2-way design whereas the Motion XT CI XTW6-LCR is a 3-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.

Monitor Audio CP-WT240LCR

MartinLogan Motion XT CI XTW6-LCR

TweeterMidrangeWoofer

Front view, drawn to scale - cabinets and drivers share one scale, so sizes are directly comparable. Hover a driver for its size.

Driver	Monitor Audio CP-WT240LCR	MartinLogan Motion XT CI XTW6-LCR
Driver Setup	2-way	3-way
Tweeter	1-inch	1.27 x 2.4-inch
Midrange	-	1 x 6.5-inch
Woofer	2 x 4-inch	2 x 6.5-inch

CP-WT240LCR features a 1" Hard-Dome Tweeter and 2 x 4" C-CAM Woofer. On the other hand, the Motion XT CI XTW6-LCR features a 1.27 x 2.4" Folded Motion Ribbon Tweeter, a 6.5" Midrange and 2 x 6.5" Kevlar Woofer.

Frequency Response

CP-WT240LCR has a frequency range of 60-25kHz whereas Motion XT CI XTW6-LCR has a frequency range of 44-25kHz. With a minimum frequency of 44Hz, the Motion XT CI XTW6-LCR can go significantly deeper on the low side and provide stronger bass compared to the CP-WT240LCR's min frequency of 60Hz.

The graph below depicts how these two speakers compare with the max, min and average Low Frequency values of other speakers in the In-wall class in our database.

Low Frequency

In-wall Speakers

CP-WT240LCR

Motion XT CI XTW6-LCR

Min

Average

Median

Neither pair reaches down to 20Hz, the usual definition of full-range, which is normal for speakers of this size. If you want the bottom octave for movies or bass-heavy music, add a subwoofer to whichever you choose. Visit our Powered Subwoofers section to find out more about the available options.

Impedance and Sensitivity

CP-WT240LCR is a 6 ohms speaker compared to the Motion XT CI XTW6-LCR which has a nominal impedance of 8 ohms.

These two speakers also have different sensitivity levels. CP-WT240LCR sensitivity is rated at 88 dB and the Motion XT CI XTW6-LCR's is rated at 93 dB. This 5 dB difference makes the MartinLogan Motion XT CI XTW6-LCR a more sensitive speaker compared to Monitor Audio CP-WT240LCR, hence will play louder with the same amount of watts.

Sensitivity

In-wall Speakers

CP-WT240LCR

Motion XT CI XTW6-LCR

Min

Average

Median

Power Range

Power range is the range of input power in watts RMS that a loudspeaker is designed to handle. Staying within that range gives nominal performance; driving the speaker beyond its maximum wattage can damage it.

Motion XT CI XTW6-LCR can handle a max power of 150 watts RMS, whereas CP-WT240LCR has a max power handling value of 100 watts RMS, 50 watts less than the Motion XT CI XTW6-LCR.

Note that higher power handling does not make a speaker louder: that depends mainly on sensitivity and impedance. The calculator below shows how loud each of these actually plays on a real amplifier.

Which plays louder on your amplifier?

Starting with a popular amplifier - change it to the one you own, or any you are considering, and watch both numbers move.

Amplifier - change this

Distance

Playing as

Monitor Audio CP-WT240LCR

MartinLogan Motion XT CI XTW6-LCR

Input Type and Bi-Amping / Bi-Wiring

CP-WT240LCR features Spring post type posts and Motion XT CI XTW6-LCR has a Spring post type posts. None of these speakers feature bi-amping/bi-wiring.

Physical Specs

The size of a speaker can sometimes be 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-WT240LCR's and MartinLogan Motion XT CI XTW6-LCR's external dimensions. Monitor Audio CP-WT240LCR has external dimensions of 299.0 x 183.0 x 97.0mm (11.7500-inch x 7.1875-inch x 3.8125-inch) whereas MartinLogan Motion XT CI XTW6-LCR has external dimensions of 686.0 x 169.0 x 91.0mm (27.0000-inch x 6.6250-inch x 3.5625-inch).

MartinLogan Motion XT CI XTW6-LCR is 14mm narrower and 6mm less deeper than Monitor Audio CP-WT240LCR but it is also 387mm taller.

Below you can see the front view size comparison of Monitor Audio CP-WT240LCR and MartinLogan Motion XT CI XTW6-LCR in scale.

Comparison image of Monitor Audio CP-WT240LCR and MartinLogan Motion XT CI XTW6-LCR Size and External Dimensions

What's in the Box of Monitor Audio CP-WT240LCR?

Here are the items that are included inside the box of CP-WT240LCR:

In-wall LCR loudspeaker
Magnetic grille
Cosmetic scrim
Installation Guide
Important Safety Instructions
Limited Warranty/Registration Card
MountingTemplate

What's in the Box of MartinLogan Motion XT CI XTW6-LCR?

Here are the items that come with the Motion XT CI XTW6-LCR:

In-wall LCR loudspeaker
Grille
T20 torx-bit
User-feets Manual
Cutout Template

Reasons to choose Monitor Audio CP-WT240LCR over MartinLogan Motion XT CI XTW6-LCR

Height	299mm vs 686mm	Easier to fit in smaller spaces
Price per pair*	1300USD vs 3200USD	costs less (*prices may change depending on the seller, location and time)

Reasons to choose MartinLogan Motion XT CI XTW6-LCR over Monitor Audio CP-WT240LCR

Max Input Power	150 watts vs 100 watts	Handle more power from your amplifier
Driver Setup	3-way vs 2-way	Have a dedicated mid-range driver
Sensitivity	93 dB vs 88 dB	Play louder with same amount of amplification power
Nominal Impedance	8 ohms vs 6 ohms	Less selective with amplifiers
Woofer Size	6.5 inches vs 4 inches	Larger woofer
Low Frequency Response	44 Hz vs 60 Hz	Generates deeper bass
Base Surface Area	153cm² vs 177cm²	Takes less floor space

Monitor Audio CP-WT240LCR vs MartinLogan Motion XT CI XTW6-LCR Specs Table

Detailed comparison of specifications

General	Monitor Audio CP-WT240LCR	MartinLogan Motion XT CI XTW6-LCR
Brand	Monitor Audio	MartinLogan
Speaker Type	Passive In-wall Speaker	Passive In-wall Speaker
Power Range	20-100 watts	50-150 watts
Sensitivity	88 dB	93 dB
Impedance	6 ohms	8 ohms
Frequency Response	60-25kHz	44-25kHz
Drivers
Woofer Quantity	2	2
Woofer Size	4"	6.5"
Woofer Composition	C-CAM	Kevlar
Woofer Surround Material	Rubber	Rubber
Tweeter Size	1"	1.27 x 2.4"
Tweeter Type	Hard-Dome	Folded Motion Ribbon
Aimable Tweeter	No	Yes
Midrange Driver	No	6.5"
Physical Specs
Height	299.0mm (11.8")	686.0mm (27")
Width	183.0mm (7.2")	169.0mm (6.7")
Depth	97.0mm (3.8")	91.0mm (3.6")
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

Verdict

These sit in different price classes - MartinLogan Motion XT CI XTW6-LCR costs roughly 2.5x what Monitor Audio CP-WT240LCR does. Expect it to lead on paper; the question is whether the gap is audible enough in your room to be worth it.

Area	Better	Why
Bass	B	MartinLogan Motion XT CI XTW6-LCR digs deeper - 44Hz against 60Hz.
Amplifier needs	B	MartinLogan Motion XT CI XTW6-LCR is more sensitive (93dB vs 88dB), so it goes louder on the same amplifier.
Amplifier match	B	MartinLogan Motion XT CI XTW6-LCR is the easier load at 8 ohms.
Headroom	B	MartinLogan Motion XT CI XTW6-LCR takes more power (150W vs 100W) - more in hand in a big room.
Size	depends	Monitor Audio CP-WT240LCR is easier to place; MartinLogan Motion XT CI XTW6-LCR is bigger, which usually goes with fuller bass. Your room decides.
Price	A	Monitor Audio CP-WT240LCR is cheaper - $1,300 against $3,200, about 59% less; arguably a different class.

A Monitor Audio CP-WT240LCR B MartinLogan Motion XT CI XTW6-LCR
depends neither is better in the abstract - it turns on your room, your system or how you will use them. Only specs published for both speakers are judged; anything missing on either side is left out rather than guessed.

Which should you choose?

The usual trade-off: MartinLogan Motion XT CI XTW6-LCR measures better, Monitor Audio CP-WT240LCR costs about about 146% more% less. Whether that gap is worth the money is the call only you can make - and in a normal room it is often smaller than the numbers suggest. If a subwoofer is in your plans, the bass gap largely stops mattering - you would be crossing over above 60Hz anyway, which makes the cheaper Monitor Audio CP-WT240LCR much easier to justify. Match it to your room: we rate Monitor Audio CP-WT240LCR the better fit for near-field listening and a small room, and MartinLogan Motion XT CI XTW6-LCR for a mid-size room and a large room.

And remember what a spec sheet cannot show: how each looks in your room and whether the finish suits it, what dealer support and warranty are like where you live, and how they actually sound to you. If you can hear them first - ideally with your own music - that will tell you more than any number above.