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Monitor Audio CP-CT380IDC

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

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Item # 893CPC380I

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Overview

Our take on the Monitor Audio CP-CT380IDC

We've carried our share of in-ceiling speakers here at Crutchfield, so it's no small statement to say that this is one of the most advanced ones we've ever seen. The CP-CT380IDC is the flagship model in Monitor Audio's "Controlled Performance" in-ceiling speaker lineup. One of its most interesting, differentiating features is its built-in back-box: a compact enclosure that hides out of sight behind the speaker and helps it deliver consistently focused, well-balanced sound. With normal open-back in-ceiling speakers, the space that's behind them can affect their tonal characteristics, and not always in a good way. By taking the guesswork out of the equation, Monitor Audio ensures that when you install a Controlled Performance speaker in your ceiling, you'll want to keep it there.

Top-shelf performance from a hideaway in-ceiling speaker

We've carried our share of in-ceiling speakers here at Crutchfield, so it's no small statement to say that this is one of the most advanced ones we've ever seen. The CP-CT380IDC is the flagship model in Monitor Audio's "Controlled Performance" in-ceiling speaker lineup. One of its most interesting, differentiating features is its built-in back-box: a compact enclosure that hides out of sight behind the speaker and helps it deliver consistently focused, well-balanced sound. With normal open-back in-ceiling speakers, the space that's behind them can affect their tonal characteristics, and not always in a good way. By taking the guesswork out of the equation, Monitor Audio ensures that when you install a Controlled Performance speaker in your ceiling, you'll want to keep it there.

An aimable midrange/tweeter combo

Monitor Audio CP-CT380IDC

The tweeter/midrange module pivots for aiming toward your favorite listening spot.

Another standout feature that separates this speaker from the pack is its pivoting midrange/tweeter module. Lots of in-ceiling speakers have aimable tweeters, so you can direct the high frequencies toward your favorite listening spot. The 'CT380IDC has a midrange and tweeter mounted concentrically on a pivoting module. That means you can also direct midrange frequencies along with the highs toward the desired location in your room, for better detail and spatial imaging.

Substantial bass from an 8" woofer

Solid, accurate bass comes courtesy of an 8" woofer — a pretty big driver to mount in one's ceiling. This woofer cone is made from a high-tech ceramic-coated aluminum/magnesium alloy. The goal, as with all woofer materials, is to make the cone as lightweight and rigid as possible so that it can respond to audio signals swiftly and precisely. Monitor Audio designed this woofer with a dimpled surface that makes it even stronger and lighter. This design, along with a die-cast aluminum front baffle, treats you to musical, well-defined bass.

Got wire?

Most speakers don't include any. Read more about in-wall wiring.
Shop our selection of in-wall speaker wire.

Product Highlights:

  • 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 diameter (including grille): 12-3/16"
  • cutout diameter: 10-13/16"
  • mounting depth: 7-1/8"
  • weight: 9-1/2 lbs.
  • warranty: 5 years
  • Our 60-day money-back guarantee

What's in the Box:

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

Hands-on research

Features and Specs

Quantity in Package Single
Tweeter Dome
Midrange Size 4
Woofer Size 8
Cutout Size 10.8125
Woofer Composition C-CAM
Woofer Surround Rubber
Power Range (Watts) 30-120
Sensitivity 89 dB
Impedance (Ohms) 6
Frequency Response 50-30kHz
Connector Type Spring post
Bi-Amp Inputs No
Built-in Back-box Yes
Parts Warranty 5 Years
Labor Warranty 5 Years

Product Research

Features

3-Way Speaker Design: The Monitor Audio CP-CT380IDC in-ceiling 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-CT380IDC in-ceiling speaker employs a unique pivoting Inverted Dual Concentric (IDC) midrange/tweeter module offering up to 18 degrees of pivot. This allows for the in-ceiling 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-ceiling 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-CT380IDC in-ceiling 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-CT380IDC in-ceiling 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-CT380IDC'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-CT380IDC in-ceiling 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 and suspended ceilings with a thickness of up to 1.75".

Spring-Post Terminals: The Monitor Audio CP-CT380IDC 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.

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team. They verify what’s in the box, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

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Q & A

Customer Q&A

Crutchfield asked  
Why did you buy this?

Shawn is the greatest. Go with his advice. For Atmos effect. [ Ivy  Jun 19, 2018 ]
Integrated Back Box [ Juan  Oct 14, 2017 ]

1 question already asked

They will not accept banana connectors. The speakers have spring clip terminals that will accept bare wire or angled pin connectors. "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" You will find this information, and more, by clicking the "Details" tab on the speaker's main webpage and scrolling down below the "Features & Specs" table. You can also view the manual (with the specific installation instructions) by clicking the link for it under the "What's in the Box" heading on the speaker's main webpage. [ Ryan  Mar 09, 2018 ]  Staff
Hello James, I do not even know what a banana plug(s) are. But what I can tell you is the speakers are awesome. When my home was being built, I had it wired for Surround Sound, for ceiling speakers so all I had to do was just connect the wire to the speakers, and the speakers are attached to the inside of the sheetrock. I love them:-) [ Leroy  Feb 28, 2018 ]
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