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  1. Home
  2. MartinLogan Speakers
  3. Passive In-wall Speakers
  4. MartinLogan Motion CI MW4-LCR
MartinLogan Motion CI MW4-LCR Review
MartinLogan Motion CI MW4-LCR - Front View

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Main Features

  • 1" Folded Motion Ribbon Tweeter
  • 2 x 4" Fiberglass Woofer
  • 78-25kHz Frequency Response
  • 93 dB Sensitivity
  • Impedance: 8ohms
  • Power Range: 50-100 watts
  • Weight: 6.10 lbs / 2.77 kg
  • Dimensions(HxWxD): 5.2500"x11.8750"x2.6875" / 134.0 x 302.0 x 69.0mm
MSRP: $550 (list price)
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MartinLogan Motion CI MW4-LCR Review
MartinLogan Motion CI MW4-LCR MartinLogan Motion C...
Check price atAmazon›

Made by MartinLogan · United States · since 1982 · sold through dealers

MartinLogan Motion CI MW4-LCR is a 2-way Passive In-wall In-wall speaker by MartinLogan. It was released in 2023. It features a 1" Folded Motion Ribbon Tweeter and 2 x 4" Fiberglass Woofer. The speaker has a frequency range of 78-25kHz and a sensitivity of 93 dB. MartinLogan Motion CI MW4-LCR has an MSRP of 1100$ per pair.

Room Size Suitability

The size of the room where you plan to use the MartinLogan Motion CI MW4-LCR 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-fieldAverage
Small RoomGood
Mid-size RoomAverage
Large RoomPoor
Very Large RoomBad

(* 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.)

MartinLogan's Motion Series of Loudspeakers

Motion CI MW4-LCR is a member of MartinLogan's Motion series of Passive speakers. The Motion range are MartinLogan's popular speakers using the brand's Folded Motion tweeter in conventional cabinets. Below you can see the main specs of these speakers.

See all 10 MartinLogan Motion models compared »

MartinLogan Motion Series Speakers
Model Frequency SensitivityImpedance Woofer
MartinLogan 60XTi
Compare
35-25k Hz 94 dB4Ω 2 x 8"
MartinLogan 15i
Compare
60-25k Hz 92 dB5Ω 1 x 5.25"
MartinLogan 35XTi
Compare
50-25k Hz 92 dB4Ω 1 x 6.5"
MartinLogan 40i
Compare
40-25k Hz 92 dB4Ω 2 x 6.5"
MartinLogan 50XTi
Compare
50-25k Hz 94 dB4Ω 2 x 6.5"
MartinLogan 20i
Compare
46-25k Hz 90 dB4Ω 2 x 5.5"
MartinLogan LX16
Compare
60-25k Hz 92 dB5Ω 1 x 5.25"
MartinLogan 30i
Compare
65-25k Hz 91 dB4Ω 1 x 5.25"
MartinLogan 6i
Compare
120-23k Hz 89 dB6Ω 2 x 3.5"
MartinLogan 8i
Compare
70-23k Hz 89 dB4Ω 2 x 4"
MartinLogan Motion Series Speakers
MartinLogan Motion Series Speakers

Frequency Response of the MartinLogan Motion CI MW4-LCR Speaker

MartinLogan Motion CI MW4-LCR has a Frequency response range of 78-25kHz and Power Range of 50-100 watts. With a minimum frequency of 78 Hz, it is hard to expect a strong bass response from Motion CI MW4-LCR so depending on your use case, using a subwoofer will significantly help to widen the response range.

Here we have a comparison of how Motion CI MW4-LCR's Low frequency value compares with the average, max and min Low frequency values in its class.
Low Frequency
In-wall Speakers
MartinLogan Motion CI MW4-LCR
Min
Average
Median
Thinking about a subwoofer for the MartinLogan Motion CI MW4-LCR?
  • Work out the crossover setting - it follows from this speaker's 78 Hz low end
  • Powered subwoofers under $1,500 - a similar price range to these speakers
  • Every powered subwoofer we cover, whatever the budget

Impedance and Sensitivity

MartinLogan Motion CI MW4-LCR's nominal impedance level is 8 ohms and has a sensitivity of 93 dB.

Sensitivity
In-wall Speakers
MartinLogan Motion CI MW4-LCR
Min
Average
Median

8 Ohms is pretty much the standard nominal impedance amongst stereo speakers and amplifiers so MartinLogan Motion CI MW4-LCR is not considered a difficult to drive speaker from nominal Impedance perspective.

Sensitivity

93dB of the MartinLogan Motion CI MW4-LCR is considered a high sensitivity compared to average stereo speaker which makes Motion CI MW4-LCR an easy to drive from Sensitivity perspective. If you are planning to power your speaker with a Tube amp which are generally very low power, the MartinLogan Motion CI MW4-LCR will be a good choice. Work out how loud the MartinLogan Motion CI MW4-LCR plays in your room →

What amplifier does the MartinLogan Motion CI MW4-LCR need?

At normal listening levels in a medium room, about 3.8–60 W per channel into 8 ohms. Set your own conditions and we will rank every amplifier we cover.

We check power, impedance safety and current delivery - not just watts.

Prefer to browse? Integrated amplifiers under $1,500, or every amplifier we cover.

Input Type

Motion CI MW4-LCR features Spring post type connectors. Bi-amping and Bi-wiring are not possible.

Work out what gauge speaker cable this run needs →

MartinLogan Motion CI MW4-LCR External Dimensions and Weight

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

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 MartinLogan Motion CI MW4-LCR is approximately 208.4cm2 / 32.3inch2.

To get a better perspective on the real life size of MartinLogan Motion CI MW4-LCR, let's compare it with a standard size Compact Disc which has a diameter of 4.7inch (120mm).

MartinLogan Motion CI MW4-LCR Real Life Body Size Comparison
MartinLogan Motion CI MW4-LCR Speaker Size Compared to a Compact Disc

Find speakers that fit your shelf or alcove →

Cabinet type and Materials

MartinLogan Motion CI MW4-LCR has a In-wall type cabinet.

What's in the Box of MartinLogan Motion CI MW4-LCR?

Here are the items that are included inside the box of Motion CI MW4-LCR:
  • In-wall loudspeaker
  • Grille
  • Torx-bit
  • User-feets Manual
  • Cutout Template

Recommended Accessories

Here is a list of accessories that we think you may need for the MartinLogan Motion CI MW4-LCR.

  • Speaker Cable and Connectors
    • Speaker Cables with Banana Plugs: If you know the lenght of the cable you need, this is the easier option to connect your speakers with your amp.
    • Speaker Cables without Connectors: If you are not sure about the lenght or need longer than standard cables with plugs, choose this option.
    • Banana Connectors and Plugs: If you chose the cables without connectors option or already have some cable around, pick the banana plugs separately.
  • Vibration Isolators: IsoAcoustics isolators are our favorite isolators but you may find more affordable options too.
  • Acoustic Panels and Treatments: Your room is as important as your stereo equipment so acoustic treatments goes a long way in improving the overall performance.

Warranty

5 Years of parts warranty and 5 Years of labor warranty is generally provided by the manufacturer.

MartinLogan Motion CI MW4-LCR Alternatives in Passive In-wall Speakers
Model Type Sensitivity Impedance Frequency
JBL Studio 6 88LCR
Compare
2-way 96 dB 6 ohms 43-20kHz
MartinLogan Motion CI MW6
Compare
2-way 90 dB 5 ohms 62-25kHz
MartinLogan Motion XT CI XTW6
Compare
2-way 91 dB 8 ohms 56-25kHz
Polk Audio 265-LS
Compare
3-way 91 dB 8 ohms 28-33kHz
Monitor Audio CP-WT150
Compare
2-way 85 dB 6 ohms 75-25kHz
DALI Phantom H-60
Compare
2-way 89 dB 6 ohms 51-25kHz
Monitor Audio CP-WT140LCR
Compare
2-way 88 dB 6 ohms 60-25kHz
Monitor Audio W280-IDC
Compare
3-way 90 dB 6 ohms 45-30kHz
Frequently Asked Questions about MartinLogan Motion CI MW4-LCR

What amplifier do you need for the MartinLogan Motion CI MW4-LCR?

MartinLogan rates the MartinLogan Motion CI MW4-LCR for 50-100 watts of amplifier power. It is an 8-ohm speaker, the usual nominal load, so almost any amplifier or receiver can drive it.

Is the MartinLogan Motion CI MW4-LCR easy to drive?

The MartinLogan Motion CI MW4-LCR has a sensitivity of 93 dB. That is high: it goes loud on modest power, so it suits low-powered amplifiers, including valve/tube designs.

Does the MartinLogan Motion CI MW4-LCR need a subwoofer?

The MartinLogan Motion CI MW4-LCR reaches down to 78Hz (full range 78-25kHz). That leaves the lowest octaves out, so a subwoofer will make a clear difference for films and bass-heavy music.

What drivers does the MartinLogan Motion CI MW4-LCR use?

The MartinLogan Motion CI MW4-LCR is a 2-way design using a 1" Folded Motion Ribbon tweeter and 2 x 4" Fiberglass woofers.

Is the MartinLogan Motion CI MW4-LCR sealed or ported?

The MartinLogan Motion CI MW4-LCR uses a In-wall enclosure.

Can the MartinLogan Motion CI MW4-LCR be bi-wired or bi-amped?

No. The MartinLogan Motion CI MW4-LCR has a single pair of terminals, so bi-wiring and bi-amping are not possible. It uses Spring post terminals.

How is the MartinLogan Motion CI MW4-LCR installed?

The MartinLogan Motion CI MW4-LCR is an in-wall model: it mounts flush into the wall cavity rather than standing in the room, so it needs a cut-out and takes up no floor space.

How big and heavy is the MartinLogan Motion CI MW4-LCR?

The MartinLogan Motion CI MW4-LCR weighs 2.77kg / 6.1lbs each and measures 5.2500-inch x 11.8750-inch x 2.6875-inch (HxWxD).

How much does the MartinLogan Motion CI MW4-LCR cost?

The MartinLogan Motion CI MW4-LCR has a manufacturer's list price (MSRP) of $1,100 per pair.


MartinLogan Motion CI MW4-LCR Detailed Specifications

General
BrandMartinLogan
Full Model NameMartinLogan Motion CI MW4-LCR
Speaker Type2-way In-wall
Power Range50-100 watts
Sensitivity93 dB
Impedance8 ohms
Frequency Response78-25kHz
Release Date2023
DRIVERS
Woofer Size4-inch
Woofer CompositionFiberglass
Woofer SurroundRubber
Tweeter Size1-inch
Tweeter TypeFolded Motion Ribbon
Aimable TweeterNo

CONNECTIONS
Connector TypeSpring post
Biamp InputsNo
PHYSICAL SPECS
Height134.0mm ( 5.2500-inch)
Width302.0mm ( 11.8750-inch)
Depth69.0mm ( 2.6875-inch)
Height134.0mm ( 5.2500-inch)
Weight2.77 kg (6.1 lbs)
EnclosureIn-wall
Moisture ResistanceNo
OTHER
Handheld RemoteNo
Parts Warranty5 Years
Labor Warranty5 Years
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