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MartinLogan Motion CI MC4

In-ceiling speaker with built-in back-box

Item # 839MC4

A built-in back-box helps this speaker deliver focused, well-balanced sound no matter what kind of space is above it.

A built-in back-box helps this speaker deliver focused, well-balanced sound no matter what kind of space is above it.

New

Item # 839MC4

Ships free

Ship date unknown

$349.99 each

Other options

About the MartinLogan Motion CI MC4

A compact speaker with big sound

Want revealing overhead audio in a small- to medium-sized room? The Motion CI MC4 in-ceiling speaker delivers MartinLogan's signature sound without taking up any floor space.

A compact speaker with big sound

Want revealing overhead audio in a small- to medium-sized room? The Motion CI MC4 in-ceiling speaker delivers MartinLogan's signature sound without taking up any floor space.

Use a pair of these stealthy speakers for music, or as overhead effects channels in your custom-installed home theater system.

MartinLogan Motion CI MC4 in-ceiling speaker

A built-in back-box ensures well-balanced sound and protects against dust and dirt.

An acclaimed tweeter delivers smooth, sweet highs

One of the reasons the Motion CI MC4 sounds so good is its Folded Motion® tweeter.

This unique, accordion-style design yields quick, accurate, and very smooth highs. The Folded Motion tweeter is paired here with a 4" woven fiberglass woofer for textured midrange and tuneful bass.

A built-in enclosure elevates performance

My favorite feature of the MC4 is the integrated back-box that's built onto the speaker.

This carefully designed enclosure helps it deliver consistently focused, well-balanced sound no matter what kind of space is above it in your ceiling. It also keeps dust and dirt out of your speaker.

Build a Motion Series home theater

The MC4 would make a great overhead speaker in an immersive Dolby Atmos® surround system made up of MartinLogan Motion Series speakers:

DIY installation 

If this is a do-it-yourself install, check out our guide to installing in-ceiling speakers, along with our selection of in-wall speaker wire

I recommend using MartinLogan's pre-construction brackets for a precise, secure installation (sold separately).

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Product highlights:

  • ideal for an in-ceiling music system or overhead surround effects in a home theater system
  • built-in back-box ensures well-balanced sound and protects against dust and dirt
  • 1" x 1.4" Folded Motion tweeter for smooth, natural highs
  • 4" woven fiberglass woofer for punchy bass and textured midrange
  • frequency response: 90-25,000 Hz (±3 dB)
  • recommended amplifier power: 50-120 watts
  • sensitivity: 90 dB
  • impedance: 8-ohms compatible
  • ultra-thin bezel and paintable magnetic grille to match your décor
  • compatible with MartinLogan's pre-construction brackets for a precise, secure installation (sold separately)
  • cutout diameter: 4-15/16"
  • overall diameter: 5-11/16"
  • mounting depth: 5-1/2"
  • weight: 2.1 lbs.
  • warranty: 5 years
  • Our 60-day money-back guarantee
  • MFR # MC4

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More details on the MartinLogan Motion CI MC4

Stacey B.

Features & specs

Features
Quantity in Package Single
Tweeter Folded Motion Ribbon
Aimable Tweeter No
Woofer Composition Fiberglass
Woofer Surround ---
Moisture-resistant No
Connector Type ---
Bi-Amp Inputs No
Built-in Back-box Yes
Specs
Tweeter Size 1" x 1.4"
Midrange Size ---
Speaker Shape N/A
Woofer Size 4
Cutout Width 4.3125
Cutout Height 4.3125
Power Range (Watts) ---
Sensitivity 90 dB
Impedance (Ohms) 4
Frequency Response 90-25kHz
Parts Warranty 5 Years
Labor Warranty 5 Years

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