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Monitor Audio C280

In-ceiling speaker

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Item # 893C280

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Overview

Our take on the Monitor Audio C280

Designing a new in-ceiling music or home theater system? Then I recommend considering Monitor Audio's C280 in-ceiling speaker. It uses some of the same technology found in the company's higher-end speakers, including Monitor's directionally aimable gold dome tweeter.  

Full-range overhead sound 

Designing a new in-ceiling music or home theater system? Then I recommend considering Monitor Audio's C280 in-ceiling speaker. It uses some of the same technology found in the company's higher-end speakers, including Monitor's directionally aimable gold dome tweeter.  

Use the C280 for music as part of a low-profile, custom-installed whole-house audio system. Or use it as an overhead effects speaker in a Monitor Audio home theater system.

Signature sound from Monitor's gold dome tweeter

The C280 uses Monitor's signature 1" C-CAM® (Ceramic-Coated Aluminum/Magnesium) gold dome tweeter for clear, detailed highs and realistic reproduction of instruments, vocals, and dialogue. It's the same tweeter found in many of Monitor's highly acclaimed bookshelf and floor-standing speakers. 

A tweeter level control switch on the front baffle lets you boost or cut high frequencies to best suit your room's acoustics — a feature typically reserved for more expensive models.

Solid midrange and bass

This speaker uses an 8" C-CAM woofer for textured, accurate midrange and punchy bass. An advanced crossover network helps ensure smooth, full-range sound throughout the speaker's frequency range. And a built-in boundary compensation switch adjusts low-frequency output when the speaker is placed near a corner.

DIY installation 

If this is a do-it-yourself install, check out my guide to installing in-ceiling speakers, along with our selection of in-wall speaker wire. You can paint the included magnetic grille to have your speaker blend in with your décor.

Product Highlights:

  • ideal for an in-ceiling music system or overhead effects channel in a home theater system
  • pivoting 1" gold dome C-CAM® (Ceramic-Coated Aluminum/Magnesium) tweeter for detailed sound
    • three-position tweeter level control cuts or boosts high-frequency output to ideally suit your room's acoustics
  • 8" C-CAM woofer for smooth midrange and tight bass response
  • unobtrusive frame and low-profile grille for discreet installation
  • recommended amplifier power: 30-120 watts
  • frequency response: 50-30,000 Hz
  • sensitivity: 90 dB
  • impedance: 6 ohms
  • patented Tri-Grip® mounting system ensures maximum surface seal for better bass and midrange clarity
  • paintable removable magnetic steel grille
  • cutout diameter: 9-3/4"
  • overall diameter: 11-1/4"
  • mounting depth: 4-3/4"
  • weight: 6.2 lbs.
  • warranty: 5 years
  • Our 60-day money-back guarantee

What's in the Box:

  • In-ceiling speaker
  • Grille
  • Paint skim
  • Installation Guide
  • Important Safety Instructions
  • Cutout Template
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Details

Hands-on research

Features and Specs

Quantity in Package Single
Tweeter Pivoting Dome
Midrange Size N/A
Woofer Size 8
Cutout Size 9.75
Woofer Composition C-CAM
Woofer Surround Rubber
Power Range (Watts) 20-120
Sensitivity 90 dB
Impedance (Ohms) 6
Frequency Response 50-30kHz
Connector Type Spring post
Bi-Amp Inputs No
Built-in Back-box No
Parts Warranty Lifetime
Labor Warranty Lifetime

Product Research

Features

Two-Way Driver Design: The Monitor Audio C280 in-ceiling speaker utilizes a two-way driver design, featuring a pivoting 1" C-CAM Gold Dome tweeter and an 8" C-CAM cone woofer. Engineered for excellent detail resolution and full-range sound, the C180 will deliver great sound for distributed audio, home theater, and stereo applications.

C-CAM Technology: C-CAM drivers are used throughout the C280 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 Woofer: 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.

Tweeter Control: The 1" C-CAM tweeter is able to pivot (up/down and left/right) to direct the sound to your desired listening area. A HF (High Frequency) level adjustment also aids in high frequency performance. With the High Frequency Level Control set to "0", the in-ceiling speaker will give you a neutral sound. Switching to the "+3db" setting will give the high frequencies a boost, giving you more clarity and presence in the treble. If you want more prominence in the bass frequencies, switch to the "-3db" setting. The HF level adjustment switch is located on front of the baffle behind the grille.

Boundary Compensation Control: The Boundary Compensation control reduces the speaker's bass output level to compensate for the greater reflection of bass energy when the speaker is placed near a wall. It can be set to "On" or "Off". The Boundary Compensation control is located on the front baffle and hidden behind the grille.

Spring-Post Terminals: The Monitor Audio C280 is outfitted with two gold-plated spring-post terminals to connect your speaker wire. The spring-post terminals which accept bare wire (up to 10AWG), banana plugs (sing/dual), and angled pin-connectors.

"Trimless" Magnetic Grille: The C280 in-ceiling speaker features a 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 and provides 3x 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.

  • Cutout Size: 9.75" (diameter)
  • Mounting Depth: 4.875"
  • Ceiling Thickness: 0.125" to 1.625"

Protective Covers: The Monitor Audio C280 features a dust protection cover that is designed to prevent the ingress of dirt or dust into the driver and crossover.

Our Product Research Team

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