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Monitor Audio CP-WT380IDC

Controlled Performance Series 3-way in-wall speaker with built-in back-box

Item # 893CPW380I

One of the challenges that in-wall speaker designers face is that they don't know how much air space is inside your...

One of the challenges that in-wall speaker designers face is that they don't know how much air space is inside your...

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Item # 893CPW380I

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$1,175.00 each

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About the Monitor Audio CP-WT380IDC

Reference quality sound from an in-wall speaker

One of the challenges that in-wall speaker designers face is that they don't know how much air space is inside your walls. Monitor Audio has the perfect solution. Their CP-WT380IDC has an airtight, built-in back-box that ensures fantastic performance. This carefully designed enclosure helps it deliver focused, well-balanced sound no matter what kind of space is behind it in your wall. 

Reference quality sound from an in-wall speaker

One of the challenges that in-wall speaker designers face is that they don't know how much air space is inside your walls. Monitor Audio has the perfect solution. Their CP-WT380IDC has an airtight, built-in back-box that ensures fantastic performance. This carefully designed enclosure helps it deliver focused, well-balanced sound no matter what kind of space is behind it in your wall. 

High-tech drivers for better sound

Monitor Audio CP-WT380IDC speaker

The CP-WT380IDC has a built-in, sealed back-box that ensures rich, balanced sound in any wall.

One of Monitor Audio's hallmark technologies is their C-CAM® driver material. It's a ceramic-coated aluminum/magnesium alloy originally developed by the aerospace industry for jet engine components. It's super-lightweight and strong, which allows the drivers to respond very quickly and precisely.

The CP-WT380IDC has three separate drivers, all made from C-CAM: a 1" dome tweeter, a 4" midrange, and a beefy 8" woofer.

Aim your sound for better results

Monitor Audio mounted the tweeter and midrange driver together on a pivoting module. This lets you aim the mids and highs toward you for better clarity, detail, and spatial imaging. The tweeter is treated with an anodized layer of gold for smooth, extended high-frequency response.

DIY installation

Monitor Audio's rotating-cam design makes your in-wall installation go smoother. Once you have the CP-WT380IDC in place, simply use a screwdriver to tighten each cam for a secure grip against the back of the wall.

If this is a do-it-yourself installation, check out our guide to installing in-wall and in-ceiling speakers, along with our selection of in-wall speaker wire. Free lifetime technical support is provided with every Crutchfield purchase.


Product highlights:

  • high-performance in-wall speaker for music and movies
  • built-in back-box ensures well-balanced sound in any installation and protects against dust and dirt
  • ultra-rigid, lightweight C-CAM (Ceramic-Coated Aluminum/Magnesium) driver material for high efficiency and low distortion
  • 1" gold dome C-CAM tweeter for detailed sound and extended high-frequency response
  • 4" C-CAM inverted midrange driver
  • 8" C-CAM woofer with RST® (Rigid Surface Technology) to enhance stiffness and reduce mass for greater speed and accuracy
  • pivoting IDC® (Inverted Dual Concentric) midrange/tweeter module lets you direct the sound toward your desired listening area
  • die-cast aluminum front baffle
  • recommended amplifier power: 30-120 watts
  • frequency response: 50-30,000 Hz
  • sensitivity: 89 dB
  • impedance: 6 ohms
  • high-frequency level adjustment switch (+3dB, 0dB, -3dB)
  • mid-frequency level adjustment switch (+3dB, 0dB, -3dB)
  • boundary compensation switch for optimum sound quality when placing speaker near a wall
  • patented Tri-Grip® mounting system ensures maximum surface seal for better bass and midrange clarity
  • paintable bezel and removable magnetic steel grille
  • overall dimensions (including grille): 12"W x 18-5/8"H
  • cutout dimensions: 10-9/16"W x 17-3/16"H
  • mounting depth: 3-7/8"
  • weight: 12.5 lbs.
  • warranty: lifetime
  • Our 60-day money-back guarantee
  • MFR # CPWT380IDC

What's in the box:

  • In-Wall speaker
  • Magnetic grille
  • Paint skim
  • Installation Guide
  • Important Safety Instructions
  • Limited Warranty/Registration Card
  • MountingTemplate

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More details on the Monitor Audio CP-WT380IDC

Stacey B.

Features & specs

Quantity in Package Single
Tweeter Hard-Dome
Aimable Tweeter No
Woofer Composition C-CAM
Woofer Surround Rubber
Moisture-resistant No
Connector Type Spring post
Bi-Amp Inputs No
Built-in Back-box Yes
Tweeter Size 1
Midrange Size 4
Woofer Size 8
Speaker Shape Rectangle
Cutout Width 10.5625
Cutout Height 17.1875
Power Range (Watts) 30-120
Sensitivity 89 dB
Impedance (Ohms) 6
Frequency Response 50-30kHz
Parts Warranty Lifetime
Labor Warranty Lifetime

Product Research


3-Way Speaker Design: The Monitor Audio CP-WT380IDC in-wall loudspeaker features an 8" C-CAM bass driver and a pivoting IDC module, housing a 4" C-CAM RST inverted midrange driver and a 1" C-CAM gold dome tweeter. This true 3-way design provide rich midrange detail, higher system output, greater power handling, and superior vocal intelligibility and sound localization.

IDC Module: The Monitor Audio CP-WT380IDC in-wall speaker employs a unique pivoting Inverted Dual Concentric (IDC) midrange/tweeter module offering up to 18° of pivot. This allows for the in-wall speaker to be discreetly positioned and the sound to be directed toward the listening zone by pivoting the IDC driver module to maximize performance. With the IDC module installed, the Custom Install series in-wall speaker by Monitor Audio becomes a true 3-way design, offering superior performance and flexibility over typical 2-way or fixed angle speakers. Within the proprietary IDC module an inverted 4" midrange driver provides superior dispersion while enabling the midrange cone and tweeter dome assembly to be set as far forward as possible, allowing the clear acoustics of the desired listening zone and reducing undesirable diffraction effects. It's impossible to avoid diffraction effects from conventional two-way designs, which locate the bass driver 3" to 6" behind the speaker grille.

C-CAM Technology: C-CAM drivers are used throughout the CP-WT380IDC in-wall loudspeaker, providing coherent tonal balance and sonic signature across the entering audio frequency spectrum.

  • C-CAM Gold-Dome Tweeter: The gold dome tweeter is formed from a ceramic-coated aluminum/magnesium alloy, gold anodized to a specific thickness for ideal stiffness and damping characteristics. Its new profile and surround geometry have been developed using advanced modeling tools, to provide the optimum qualities for accurate sound reproduction. The new design moves the first order of breakup to beyond 35kHz, producing a linear response way beyond audibility, which matches the wide frequency bandwidth available from HD music and cinema sound formats. The gold dome is thinner, lighter, more rigid and therefore more efficient than domes made from other materials which are prone to distortion in the audio band.
  • C-CAM Cone Midrange and Bass Driver: Ceramic-Coated Aluminum/Magnesium is a material originally developed by the aerospace industry for jet engine components. Its properties are ideal for loudspeaker cones being extremely rigid, yet light enough to yield high overall efficiency. In manufacture, aluminum/magnesium alloy undergoes a three-stage stress-relieving process to remove surface deformation and molecular weakness. Once formed, the alloy cone is subjected to a high temperature anodic coating process in which a layer of pure ceramic alumina is depleted onto its surfaces to a depth of 50 microns, producing a completely rigid sandwich of alloy and heat-dissipating ceramic material. Conventional cones are liable to flex or twist in operation, producing a significant level of audible distortion. C-CAM cones have a much higher resistance to bending stress and therefore exhibit much greater fidelity over their entire operating range.

RST (Rigid Surface Technology): The CP-WT380IDC in-wall speaker's inverted midrange driver combines Rigid Surface Technology (RST) with C-CAM cone woofer design for a stronger, lighter weight cone. The Rigid Surface Technology (RST) cone profile was inspired by the Japanese art of Origami, which demonstrates how a very light material (like paper) can be strengthened and made more rigid by making small and precise folds on it surface. Developed and perfect using sophisticated computer modeling (Finite Element Analysis), the Silver series midbass drivers have been strengthened by a pattern of dimples. RST significantly increases cone rigidity, allowing the radiating surfaces to resist mechanical bending forces, which can twist the  shape of conventional driver cones to produce distorted sound. The strengthening effect of RST means that Monitor Audio can use thinner, lighter and more responsive C-CM cones which provide speed and accuracy while offering greatly reduced distortion. The RST patterns also help to displace standing waves that can propagate on the cone's surface.

Sealed Design: The Monitor Audio CP-WT380IDC's airtight enclosure design protects each precision-engineered driver system against the accumulation of damaging dirt and dust.

Controls: Optimum imaging and set-up are established via the high frequency level adjustment (+3/0/-3 dB), midrange frequency level adjustment ((+3/0/-3 dB), and boundary compensation controls (On/Off).

Trimless Grille: The CP-WT380IDC in-wall speaker features a "Trimless" steel-mesh grille that is held in place by high strength Neodymium magnets covering the entire speaker for a true trimless, stealth look. The grille is paintable to blend with the living environment; additional scrim material is provided for trouble free painting.

Tri-Grip Fixing System: Monitor Audio's innovative Tri-Grip fixing system is easier to install than conventional clamping schemes but provides three times the surface area and a better surface seal, maximizing bass response and midrange clarity. The Tri-Grip fixings are made from a tough re-enforced polymer, giving a secure installation.

Note: This Controlled Peformance series loudspeaker can only be fixed into drywall with a thickness of up to 1.75".

Spring-Post Terminals: The Monitor Audio CP-WT380IDC is fitted with two spring-post terminals to connect your speaker wire. The spring-post terminals which accept bare wire (up to 10AWG) and angled pin-connectors.

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Customer Q&A

5 questions already asked

What is the recommended center speaker to use with these for a media room that is 25' deep?
[ J  Jan 04, 2022 ]
1 answer
We have not received any answers from other customers on your question. I would recommend reaching out to an Advisor by phone (1-800-324-9695) or online chat. They should be able to help answer your question.
[ Kenny  Jan 06, 2022 ]  Staff
Does the built-in back box reduce sound transfer into the adjacent room?
[ Sean  Aug 20, 2019 ]
1 answer
Hi Sean, thanks for your question. The back box on the Monitor Audio CP-WT380IDC will help a great deal with sound-transfer. These are designed to create a more controlled, focused, audio performance, by giving you sound absorption and reduce standing waves, or excessive panel vibration. Feel free to chat with an Adivsor online or by phone at 1-800-324-9695, they'll be happy to go over these in more detail with you!
[ Jess  Aug 29, 2019 ]  Staff
With a pair of CP-WT380IDC speakers for fronts, would a subwoofer still be valuable in a home theater application? Would it better to go with a Silver 350 or a matching CP-WT380IDC for the center channel?
[ Brian  Mar 09, 2019 ]
1 answer
A dedicated powered subwoofer for the home theater is definitely valuable, yes; with just about any speakers. If your center channel does not need to be in-wall, I'd definitely prefer the Silver 350. I hope that helps My bio:
[ Ryan  Mar 14, 2019 ]  Staff
Does the midrange/tweeter module in the CP-WT380IDC pivot in all directions, or only left-to-right? Thanks!
[ Bryan  Feb 04, 2019 ]
1 answer
That IDC midrange/ tweeter module can move in all directions. It has 18 degrees of pivot to allow you to point it towards the listening area and maximize the performance. If you have any other questions or want to make sure you have a complete cart you can connect with one of our Product Advisors here:
[ Cosmo  Feb 08, 2019 ]  Staff
Can the Monitor Audio CP-WT380IDC be used as a center channel speaker. If it can how is it to be oriented ? Thanks
[ James  Jan 02, 2019 ]
1 answer
I'm using one as the center channel along with the matching left and right channels. Voices and dialogue are very clear and precise. The speaker is too tall to mount sideways between standard 16" stud spacing.
[ Michael  Jan 04, 2019 ]

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