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Polk Audio MC85

In-wall speaker

Get a free pair of Polk outdoor speakers with a $499+* Polk speaker purchase with a $499+* Polk speaker purchase
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Grille included, not pictured
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Item# 107MC85 offer details

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Polk Audio

Our take on the Polk Audio MC85

Fill your room with great sound, without sacrificing an inch of floor space. Polk's MC85 speakers, sold separately, install flush in your wall for a sleek, attractive look. Pivot the 3/4" tweeter to aim the high-frequencies where you like, so you can fine-tune your system's sound. The 8" woofer provides rich, warm lows. And this speaker's moisture-resistant design means you can use it in your kitchen, bathroom, sauna, or even outdoors, under the eaves.

Building a system
Install a pair of the MC85s for stereo music listening. These speakers can also work as the fronts, center, and surrounds in a surround sound system. The MC85s are voice-matched with the other MC in-wall and in-ceiling speakers, so you can mix and match.

An optional in-wall bracket is recommended for installing the MC-85 in a new home under construction.

Free installation guides from Crutchfield
When you buy in-wall or in-ceiling speakers from Crutchfield, you'll also receive copies of our in-depth speaker and wire installation guides, free of charge.

Got wire?
Most speakers don't include any. Learn more about in-wall wiring at the Crutchfield Learning Center.
Shop our selection of in-wall speaker wire.

Highlights:

  • sold individually
  • frequency response 50-20,000 Hz (-3dB)
  • 3/4" aimable silk dome tweeter
  • 8" Dynamic Balance® woofer
  • handles up to 100 watts
  • sensitivity 90 dB
  • 8-ohm impedance
  • paintable white matte grilles
  • durable, moisture-resistant construction
  • cutout: 8-3/4"W x 12-3/4"H
  • mounting depth: 3-7/16"
  • lifetime warranty

Priced each

 

Hands-on research from the Crutchfield Labs (what are the Labs?)

Features and Specs

Features and Specs
Enclosure Type
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In-wall
Video Shielded
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No
Tweeter
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Dome
Midrange Size
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---
Woofer Size
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8
Woofer Composition
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Composite
Woofer Surround
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Rubber
Power Range (Watts)
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20-100
Sensitivity
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92 dB
Impedance (Ohms)
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8
Frequency Response
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50-20kHz
Connector Type
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Spring clip
Bi-Amp Inputs
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No
Parts Warranty
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Lifetime
Labor Warranty
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Lifetime

Product Research

Product Research
What's in the box?

Download owner's manual

  • White in-wall speaker
  • White grille
  • Cardboard template
  • Plastic paint shield
  • Owner's Manual (Eng/Fre/Spa)
  • Online registration card

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 open the box, verify contents, 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.

Features
Mounting Options

Features

MC Series: The Polk Audio MC Series in-wall/in-ceiling loudspeakers offer great built-in sound for multi-room listening. The MC Series features Dynamic Balance driver technology, an aimable tweeter, and polymer cone woofers, which ensures your music always sounds crisp and clear. The MC Series also uses infinite baffle tuning for excellent bass response, so you can install them in virtually any kind of wall.

Dynamic Balance Technology: Laser imaging technology allows Polk Audio engineers to see the entire vibrating surface of a driver and tweeter; they can actually see the resonance develop on the speaker cones-resonance that is the root cause of loudspeaker distortion. Being able to see the resonance develop, they then determine the Dynamic Balance of high-tech materials, geometry and construction that together effectively tune out the offending resonance. Exclusive Dynamic Balance Composite Material Technology delivers sound that is effortlessly clean and clear, even at lifelike volume levels.

Woofer: The Polk Audio MC85 in-wall speaker features a 8.0" Dynamic Balance Polymer Composite Cone for smooth wide-range response with low distortion. The polymer composite cone provides excellent damping and bass response while resisting deterioration. For a smoother response and improved durability, each woofer uses a rubber surround.

Tweeter: The MC85 in-wall speaker uses a 3/4" aimable silk dome tweeter with neodymium magnet for clear, detailed highs and excellent imaging even for off-axis listening positions. Aiming the tweeter toward your listening position improves imaging and detail.

Infinite Baffle Tuning: Infinite Baffle Tuning uses the virtual enclosure of in-wall/in-ceiling space for superior bass response.

Moisture-resistant: Durable, moisture-resistant materials allow you to install the speakers in bathrooms, kitchens, saunas, even under outdoor eaves.

Timbre-matched: The MC Series speakers are timbre matched to Polk Audio's freestanding speakers, such as the Polk Monitor, TSi, and OWM series; just in case you need in-wall/in-ceiling surround speakers to match your freestanding fronts.

Mounting Options

Installation: Each speaker requires a cutout of 8.75" (W) x 12.75" (H), with a depth of 3.3125" behind the drywall. Each speaker frame has a width of 10" and a height of 14.3125". Once the holes are cut, each speaker is placed in the opening and the Rotating Cams are tightened, allowing you to secure each speaker to the drywall without any extra assembly. The cam extends 1.25" deep from the mounting surface of the speaker and will accommodate a drywall thickness up to 1.25". When the cams are rotated, each extends 0.8125" beyond the 8.75" cutout width. If you will not be mounting these speakers in drywall, make sure the wall or ceiling material can safely support the weight of the speakers before installation; each speaker weighs approximately 3.6 pounds.

Paintable: The grille and flange can be painted, allowing these speakers to match any decor.

 

Product Reviews

Review Summary

Average Customer Review:

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1-1 of 1 items Sort Results By: Date Reviewed | Rating | Helpfulness
 
5 out of 5

Beautiful

Written By Eric, Celebration, Fl on Tuesday, January 05, 2010
Crutchfield Customer Review (What's this?)
Crutchfield Customer Review

The reviewer purchased this item from us, verified by the email address on the order.

 
These installed great, were clean and tight to the wall and had no issues. Once the system was going these speakers really shined. The bass response was fantastic, the pitch was clear and tight and and the overall sound reproduction was amazing. The more these speakers were used the better they sounded (short break in period but wow).

Highly recommend in all regards.
19 out of 20 people found this helpful
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Learn more about In-wall Speakers

Learn more about In-wall Speakers

Video: Installing In-wall and In-ceiling Speakers — The Basics

Video: Installing In-wall and In-ceiling Speakers — The Basics

Video Guest
9/18/2007
based on 101 ratings (11 comments)
 

If you're thinking of installing in-wall or in-ceiling speakers in your home, this video is for you. We'll cover some of the most commonly asked questions and show you the basics of speaker...

 
In-wall, In-ceiling, and On-wall Speaker Placement

In-wall, In-ceiling, and On-wall Speaker Placement

Amanda P.
2/8/2008
based on 267 ratings (7 comments)
 

Tips and guidelines to help you create an in-wall, in-ceiling, or on-wall speaker setup that sounds good and works with your room.

 
Installing In-wall, In-ceiling, and On-wall Speakers

Installing In-wall, In-ceiling, and On-wall Speakers

Tara W.
1/25/2011
based on 73 ratings (4 comments)
 

This is a thorough, informative guide to help you install in-wall, in-ceiling, or on-wall speakers.

 
In-wall and In-ceiling Speakers: How to Choose

In-wall and In-ceiling Speakers: How to Choose

Amanda P.
2/8/2008
based on 299 ratings (6 comments)
 

Learn about the key things to consider when you're shopping for in-wall and in-ceiling speakers.

 
In-wall Wiring Guide

In-wall Wiring Guide

Tara W.
2/29/2008
based on 539 ratings (18 comments)
 

This is a thorough, informative guide to help you run speaker, Ethernet, and audio/video cables through the walls in new construction and finished homes.

 

Accessories

Things you'll need

In-Wall Speaker Wire
UL-listed speaker wire is designed to be run through walls and is building code compliant. Most speakers don't include speaker wire.
AudioQuest FLX-16/2 16-Gauge 2-Conductor In-Wall Speaker Cable
$89.99
In Stock
 
 
AudioQuest FLX-14/2 14-Gauge 2-Conductor In-Wall Speaker Cable
$99.99
In Stock
 
 
AudioQuest FLX-16/4 16-Gauge 4-Conductor In-Wall Speaker Cable
$129.99
Out of Stock
 
 
AudioQuest FLX-14/4 14-Gauge 4-Conductor In-Wall Speaker Cable
$149.99
In Stock
 
 
Show more items

Accessories we recommend

In-Wall Volume Control
Set the volume level in your remote location without going back and forth from room to room.
Niles SVC100K
Sliding stereo volume control with impedance magnification
$119.99
In Stock
 
 
Niles VCS100K
Stereo volume control with impedance magnification

Also available in:
Open Box: $80.99
$89.99
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Russound ALTX-WIRI-2D
Electronic volume control with IR sensor and impedance magnification
$159.00
Low Stock
 
 
Russound ALTX-2
Stereo volume control with impedance magnification
$59.00
In Stock
 
 
Russound ALTX-2D
Stereo volume control with impedance magnification
$59.00
In Stock
 
 
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Brackets
Install these before your drywall goes up to mark your speaker locations for your builder, so you won't need to cut holes later.
Polk Audio PB SC85
Pre-construction brackets for select Polk in-wall speakers
$50.00
In Stock
 
 
Russound Flexbox
For in-wall speakers
$199.99
Low Stock
 
 
Professional Installation
Have your speakers installed by qualified professionals.
Show more items
Speaker Selectors
A speaker selector will let multiple pairs of speakers act like just one to your receiver.
Niles SS-6
6-pair speaker selector

Also available in:
Open Box: $134.99
$149.99
In Stock
 
 
Niles SS-4
4-pair speaker selector

Also available in:
Open Box: $89.99
$99.99
In Stock
 
 
Russound SS-6.2
6-pair speaker selector
$159.00
In Stock
 
 
Russound SS-4.2
4-pair speaker selector
$119.00
In Stock
 
 
Niles SSVC-4
4-pair speaker selector with volume control

Also available in:
Open Box: $287.99
$319.99
In Stock
 
 
Niles SSVC-2
2-pair speaker selector with volume control
$199.99
In Stock
 
 
Niles SSVC-6
6-pair speaker selector with volume control
$399.99
In Stock
 
 
Russound SDB-6.1
High-power 6-pair speaker selector with volume control
$499.99
Out of Stock
 
 
Russound SDB-2.1
2-pair speaker and source selector with volume control
$199.00
Low Stock
 
 
Russound SDB-4.1
High-power 4-pair speaker selector with volume control
$399.99
In Stock
 
 
Niles VCS HUB8
8-speaker pair connecting block

Also available in:
Scratch & Dent: $63.74
$74.99
In Stock
 
 
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Wall Plates
Use wall plates to get the speaker wire into your wall so you can run it to the speakers.
Russound BP10D
4-post wall outlets for speaker wires
$26.00
In Stock
 
 
Russound BP1D
2-post wall outlet for speaker wires
$16.00
In Stock
 
 
Niles® Audio 8-post Wall Outlets for Speaker Wires
$32.99
In Stock
 
 
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Add selected to cart
 

For a more in-depth review and enhanced detailed information on the Polk Audio MC85, please visit the Crutchfield website product page (/ISEO-rccbcspd/p_107MC85/Polk-Audio-MC85.html ).

Recommended Accessories See more accessories

Your featured item

Polk Audio MC85
Polk Audio MC85
In-wall speaker
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In-Wall Speaker Wire

AudioQuest FLX-16/2 16-Gauge 2-Conductor In-Wall Speaker Cable
$89.99
In Stock
 
 

In-Wall Volume Control

Niles SVC100K
Sliding stereo volume control with impedance magnification
$119.99
In Stock
 
 

Brackets

Polk Audio PB SC85
Pre-construction brackets for select Polk in-wall speakers
$50.00
In Stock
 
 

Professional Installation

Speaker Selectors

Niles SS-6
6-pair speaker selector

Also available in:
Open Box: $134.99
$149.99
In Stock
 
 
 
Add selected to cart
 
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Compare with other Polk Audio models

  • Polk Audio MC85
  • Get deeper bass and greater sensitivity
  • 5 out of 5: IN STOCK
  • The Polk Audio MC85 delivers
    • an 8" woofer
    • low-frequency response down to 50 Hz
    • 90 dB sensitivity
  • Add To Cart
    $159.99
  • Polk Audio MC65
  • In-wall speaker
  • IN STOCK
    • The Polk Audio MC65 offers:
      • 3/4" aimable silk dome tweeter and 6-1/2" woofer
      • frequency response 60-20,000 Hz (-3dB)
      • moisture-resistant design
  • Add To Cart
    $139.99
  • Polk Audio MC85
  • In-wall speaker
  • 5 out of 5: IN STOCK
    • The Polk Audio MC85 offers:
      • 3/4" aimable silk dome tweeter and 8" woofer
      • frequency response 50-20,000 Hz (-3dB)
      • moisture-resistant design
  • Add To Cart
    $159.99
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Polk Audio MC85