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Monitor Audio C265-FX

In-ceiling bipole/dipole surround sound speaker

Item # 893C265FX

Want stealthy-but-powerful surround sound effects from your Monitor Audio home theater? Then consider...

Want stealthy-but-powerful surround sound effects from your Monitor Audio home theater? Then consider...

California customers:
Please click here for your Proposition 65 warning.

Item # 893C265FX

In stock
$465.00 each

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Since 1974

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About the Monitor Audio C265-FX

Awesome in-ceiling surround sound

Want stealthy-but-powerful surround sound effects from your Monitor Audio home theater? Then consider a C265-FX for each of your surround channels. This high-quality in-ceiling speaker offers dynamic performance along with the open, natural sound that Monitor Audio is known for.

Awesome in-ceiling surround sound

Want stealthy-but-powerful surround sound effects from your Monitor Audio home theater? Then consider a C265-FX for each of your surround channels. This high-quality in-ceiling speaker offers dynamic performance along with the open, natural sound that Monitor Audio is known for.

MMonitor Audio C265-FX in-ceiling surround sound speaker

Monitor Audio's stealthy C265-FX uses angled tweeters and two different listening modes to deliver immersive surround sound effects.

Bipole/dipole design adds versatility and realism

The C265-FX uses two angled tweeters and a dipole/bipole switch to give you the best performance for your particular system. Install a pair in the ceiling behind your listening position, and set each speaker to bipole mode so that the tweeters and woofer fire at the same time. This is known as being "in phase." 

You can also install the speakers to the sides of your listening position. If that's the case, switch to dipole mode so the tweeters fire at opposite times  ("out of phase") to create a more diffuse soundfield.

Both modes provide rich, lifelike surround sound that will brings movie and video game soundtracks alive with detail.

Signature sound from Monitor's gold dome tweeter

The C265-FX uses two of Monitor's signature 1" C-CAM® (Ceramic-Coated Aluminum/Magnesium) gold dome tweeters for clear, detailed highs and realistic reproduction of instruments, vocals, and dialogue. They're 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 a 6-1/2" 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 overhead surround effects channel in a home theater system
  • dipole/bipole switch offers easy toggling between surround modes
    • dipole: gives you diffuse sound, ideal for when the speaker is placed to the side of the listening area
    • bipole: more direct sound, better for when the speaker is placed behind the listening area
  • dual 1" gold dome C-CAM (Ceramic-Coated Aluminum/Magnesium) tweeters for detailed sound
    • tweeters fire sound in different directions for wraparound sound effects
    • three-position tweeter level control cuts or boosts high-frequency output to ideally suit your room's acoustics
  • 6-1/2" C-CAM woofer for smooth midrange and tight bass response
  • unobtrusive frame and low-profile grille for discreet installation
  • recommended amplifier power: 20-85 watts
  • frequency response: 60-30,000 Hz
  • sensitivity: 88.5 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: 8-5/16"
  • overall diameter: 9-13/16"
  • mounting depth: 5-7/8"
  • weight: 4.75 lbs.
  • warranty: lifetime
  • Our 60-day money-back guarantee
  • MFR # CC265FX

What's in the box:

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

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Crutchfield response

<< >>

More details on the Monitor Audio C265-FX

Stacey B.

Features & specs

Quantity in Package Single
Tweeter Hard-Dome
Aimable Tweeter No
Woofer Composition C-CAM
Woofer Surround Rubber
Moisture-resistant No
Outdoor-rated No
Connector Type Spring post
Bi-Amp Inputs No
Built-in Back-box No
Tweeter Size 1
Midrange Size N/A
Speaker Shape Round
Woofer Size 6.5
Cutout Width 8.3125
Cutout Height 8.3125
Power Range (Watts) 20-85
Sensitivity 88.5 dB
Impedance (Ohms) 6
Frequency Response 60-30kHz
Parts Warranty Lifetime
Labor Warranty Lifetime
The Monitor Audio C265-FX replaces these items:

Product Research


Two-Way Driver Design: The Monitor Audio C265-FX in-ceiling speaker utilizes a two-way driver design, featuring two 1" C-CAM Gold Dome tweeters and a 6.5" C-CAM cone woofer. Engineered for excellent detail resolution and full-range sound, the C265-FX will deliver great sound as a surround channel in-ceiling speaker.

  • Dual 1" C-CAM Gold Dome Tweeters: The gold dome tweeters are formed from a ceramic-coated aluminum/magnesium alloy, gold anodized to a specific thickness for ideal stiffness and damping characteristics. The 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.
  • 6.5" 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 manufacturing, 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.

Dipole or Bipole Modes: The Monitor Audio C265-FX in-ceiling speaker features surround mode selection of dipole (diffuse sound) or bipole (direct sound) operation for super-discreet home theater sound. A switch on the front baffle behind the grille is provided to select between bipole  or dipole operation, dependant on system installation. This enhances the whole movie experience when used in a 5.1 or 7.1 channel system.

High Frequency Level Control: A HF (High Frequency) level adjustment 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.

Spring-Post Terminals: The Monitor Audio C265-FX 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 C265-FX 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: 8.3125" (diameter)
  • Mounting Depth: 5.9375"
  • Ceiling Thickness: 0.25" to 2.5"

Protective Covers: The Monitor Audio C265-FX features a dust protection cover that is designed to prevent the ingress of dirt or dust into the driver and crossover.

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Customer Q&A

4 questions already asked

My couch is against the wall. I know it is not ideal, but whats the best placement for these speakers?
[ Brian  Sep 11, 2021 ]
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.
[ Calvin  Sep 14, 2021 ]  Staff
is there a square grill available for wall mounting?
[ Chris  Feb 10, 2020 ]
1 answer
Square grilles can be purchased separately for this speaker. We don't regularly stock them, but can look into special ordering them for you. I recommend contacting an advisor on 1-800-324-9695 to start the process to see if we can get it.
[ Paul  Feb 26, 2020 ]  Staff
Can you focus these as per if mounted on a Vaulted ceiling? Can they be mounted without ceiling enclosure without issues and be surrounded by ceiling insulation?
[ Gary  Mar 19, 2018 ]
1 answer
They cannot be "focused" beyond the orientation they are mounted. The Monitor Audio C265-FX features a dust protection cover that is designed to prevent the ingress of dirt or dust into the driver and crossover. So, yes, they can be mounted without any enclosure and surrounded by insulation.
[ Ryan  Apr 04, 2018 ]  Staff

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Looking for more?

Check out the next model in this lineup.

Monitor Audio C380-FX
In-ceiling bipole/dipole surround sound speaker
In stock
$765.00 each
Add to cart

Enjoy deeper bass and increased power handling

The Monitor Audio C380-FX offers these features:
  • 8" C-CAM woofer for smooth midrange and tight bass response
  • frequency response: 45-30,000 Hz
  • recommended amplifier power: 30-120 watts
  • sensitivity: 90 dB
Compare the sound