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Monitor Audio C165-T2

In-ceiling stereo-input speaker

1 Review

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Item # 893C165T2

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Our take on the Monitor Audio C165-T2

Want rich, detailed music but just have room for a single speaker? Then check out Monitor Audio's C165-T2. This high-quality in-ceiling speaker uses a dual-tweeter design to deliver the complete stereo mix without the need for an additional speaker.

Enjoy stereo playback from a single speaker

Want rich, detailed music but just have room for a single speaker? Then check out Monitor Audio's C165-T2. This high-quality in-ceiling speaker uses a dual-tweeter design to deliver the complete stereo mix without the need for an additional speaker.

The C165-T2 is perfect for kitchens, hallways, or any other room where you want music from a single in-ceiling location. You'll enjoy crisp bass response from the 6-1/2" woofer, and smooth highs from two 1" gold dome C-CAM® tweeters — the same tweeter Monitor puts in their higher-end custom-install speakers.

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 blend in with your décor.

Product Highlights:

  • stereo-input speaker plays both the left and right channels of the stereo mix
  • two pivoting 1" gold dome C-CAM® (Ceramic-Coated Aluminum/Magnesium) tweeters
  • 6-1/2" MMP® II (Metal Matrix Polymer) woofer
  • unobtrusive frame and low-profile grille for discreet installation
  • recommended amplifier power: 20-65 watts
  • frequency response: 60-25,000 Hz
  • sensitivity: 88.5 dB
  • impedance: 6 ohms (each input)
  • 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: 4-9/16"
  • weight: 4.7 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

Monitor Audio C165-T2 Reviews

Average Customer Review(s):

(1 Review)

Monitor Audio C165-T2

Crutchfield customer from New Berlin, WI on 8/24/2018

Crutchfield Customer Review (What's this?)

Great product. Using for a bathroom. Well-built




Hands-on research

Features and Specs

Quantity in Package Single
Tweeter Pivoting Dome
Midrange Size N/A
Woofer Size 6.5
Cutout Size 8.3125
Woofer Composition Metal Matrix Polymer
Woofer Surround Rubber
Power Range (Watts) 20-65
Sensitivity 88.5 dB
Impedance (Ohms) 6
Frequency Response 60-25kHz
Connector Type Spring post
Bi-Amp Inputs Stereo input
Built-in Back-box No
Parts Warranty Lifetime
Labor Warranty Lifetime

Product Research


Two-Way Driver Design: The Monitor Audio C165-T2 in-ceiling speaker utilizes a two-way driver design, featuring two pivoting 1" C-CAM Gold Dome tweeters and a proprietary 6.5" MMP II woofer. Engineered for excellent detail resolution and full-range sound, the C165-T2 will deliver great sound for distributed audio applications.

  • 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" MMP II Cone Woofer: The 6.5" MMP II (Metal Matrix Polymer) cone woofer has a polypropylene base loaded with metallic particles to offer a rigid and responsive structure. It is manufactured using a sophisticated high-pressure injection process, which modulates cone thickness at critical points to optimize stiffness and consistency, resulting in a superior sonic performance.

Pivoting Tweeters: The 1" C-CAM tweeters are able to pivot (up/down and left/right) to direct the sound to your desired listening area.

Stereo Spring-Post Terminals: The Monitor Audio C165-T2 is outfitted with two sets of speaker terminals which allow the C165-T2 to be used as a single stereo speaker. These gold-plated spring-post terminals accept bare wire (up to 10AWG), banana plugs (sing/dual), and angled pin-connectors. 

Stereo Application: Because of its stereo inputs and dual tweeters, the C165-T2 in-ceiling loudspeaker is perfect for distributed audio applications. Since the C165-T2 reproduces both stereo channels from a single location, it will deliver outstanding performance from a wide variety of mounting locations where a pair of stereo speakers would be impractical.

"Trimless" Magnetic Grille: The C165-T2 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: 4.5625"
  • Ceiling Thickness: 0.125" to 1.5"

Protective Covers: The Monitor Audio C165-T2 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

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.

Q & A

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other monitor speaker [ KIT  Oct 11, 2018 ]

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8" MMP II woofer

recommended amplifier power: 30-120 watts

frequency response: 50-25,000 Hz

sensitivity: 90 dB