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Polk Audio FXi3

Surround speakers (Black)

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  • Polk Audio FXi3

    Black

  • Polk Audio FXi3

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Item #: 107FXI3B
 

Review Summary

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Our take on the Polk Audio FXi3

by Tom Mathew
Polk Audio

If you demand high performance from your home theater system, you need surround speakers that provide great sound and exceptional flexibility. The FXi3 dipole/bipole speakers deliver subtle, detailed surround effects for stellar home theater. You'll enjoy a great mix of direct and indirect sound, thanks to the 45° angled driver arrays. Featuring the latest generation of Dynamic Balance® drivers, the FXi3 features a 1" silk/polymer dome tweeter and a 5-1/4" woofer mounted on one baffle, and a second matching tweeter on the other. Multichannel movies and music really shine!

A dipole/bipole switch changes the phase relationship between driver arrays for lots of placement flexibility. Depending on your setup, you can have the separate tweeter firing in phase with the other drivers (bipole), or out of phase (dipole). The bipole setting is great for speakers placed behind your listening position, and provides clear, directional sound, while dipole usage is ideal for placement to the side of your listening position and results in a more diffuse soundfield. Also includes a keyhole slot for wall-mounting. Voice-matched to Polk's RTi tower and bookshelf speakers and CSi center channel speakers.

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Highlights:

  • bass-reflex
  • frequency response 60-26,000 Hz (-3dB)
  • 8-ohm impedance
  • sensitivity 88 dB
  • handles up to 150 watts
  • 5-way binding post connectors
  • dipole/bipole switch
  • vinyl finish
  • 10-3/4"W x 12"H x 7-3/8"D
  • warranty: 5 years
  • Our 60-day money-back guarantee

Priced per pair

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

Features and Specs
Enclosure
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Bass reflex
Bipole or Dipole
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Switchable
Tweeter
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Dome
Midrange size (inches)
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N/A
Woofer size (inches)
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5-1/4
Connector Type
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5-way post
Power Range
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20-150
Sensitivity
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88 dB
Impedance (Ohms)
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8
Frequency Response
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60-26k Hz
Height (inches)
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12
Width (inches)
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10 3/4
Depth (inches)
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7 3/8
Weight (pounds)
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9.6
Mounting Bracket Included
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Yes
Parts Warranty
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5 Years
Labor Warranty
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5 Years
Product Research
What's in the box?

Download owner's manual

  • 1 Black left surround speaker
  • 1 Black right surround speaker
  • 2 Self-tapping screws
  • 4 Self-adhesive rubber feet
  • Owner's Manual
  • Template
  • Online registration sheet

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
Note

Features

Enclosure Design: Each enclosure has a triangular shape with the speaker faces angled at 45 degrees. One face has a tweeter and a woofer, while the other face has a tweeter and port tube opening. The switch for selecting Dipole or Bipole operation is located in the terminal cup on each speaker. One of the speakers is specifically designed for the "left" channel and the other for the "right" channel.

Dynamic Balance: Dynamic Balance is a proprietary Polk Audio technology using laser imaging to determine what combination of speaker materials create the least amount of resonance. Eliminating resonance in speakers results in a wide, smooth response and low distortion.

Polymer Composite Woofers: Each speaker features a polymer composite woofer for smooth wide-range response with low distortion. For high performance durability, each woofer uses a butyl rubber surround.

Silk/Polymer Tweeters: Each speaker has dual 1" silk/polymer dome tweeters that provide clear, detailed highs and spacious surround effects. Each tweeter uses a heat sink on the Neodymium magnet for superior heat dissipation, power handling and reliability.

Port: On the side with only a tweeter, there is a single port tube opening for increased and extended bass response.

Acoustically Inert Cabinets: Each speaker cabinet features all-MDF construction with internal bracings that virtually eliminate sound-muddying resonance.

Anti-Diffraction Grilles: The floating anti-diffraction grilles minimize grille diffraction for spacious, 3-dimensional imaging.

5-Way Binding Posts: The gold-plated 5-way binding posts will accept bare wire, pin connectors, spade connectors, banana plugs, and dual banana plugs.

Dipole/Bipole Switch: There is a switch, located in the terminal cup, that allows each speaker to be used as a Dipole (out of phase) or Bipole (in phase) speaker. If you're mounting the speakers on the side walls in line with your listening position, the dipole mode will create a diffuse, ambient soundfield. If you're placing them behind your position, the bipole mode fires the drivers in phase to flood your room with surround sound. When used with a Dolby Digital system, the surround speaker setting should be set to small.

Wall Mounting: The bracket on the back of each speaker has two keyhole slots, allowing the speaker to be mounted on the wall using optional hardware.

Note

Frequency Response Note: The overall frequency response is 50Hz-27kHz and the -3dB frequency response is 60-26kHz.

 
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Polk Audio FXi3 Reviews

Average Customer Review:

6 people say:

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5 out of 5

WOW!

Written By Scott, Atlanta, GA on Friday, January 18, 2008
Crutchfield Customer Review (What's this?)
 
Bought these speakers to replace some older Kenwood HTB speakers. Read some good reviews about the FXi3's but was totally blown away when I hooked them up. The sound seems to be all around you...not just point at you. The rear sound has so much more imaging that it's had to believe I only have those two speakers behind me. These are truly great speakers at a great price!
5 out of 5 people found this helpful
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5 out of 5

You won't regret this choice

Written By fassblac, Pemberton, N.J. on Sunday, October 28, 2007
Crutchfield Customer Review (What's this?)
 
Bought this with a Polk center channel and Polk bookshelves, and the sound is fantastic!!!! I can hear thrown objects going from the front to rear surrounds like I am there!!! Very nice highs from the dual tweeters. You will hear sounds you never heard before through these surrounds from movies you've had for years!!! I'm very happy with this choice.
6 out of 6 people found this helpful
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5 out of 5

Great rear channel speakers

Written By Charles, Muncy, Pa on Tuesday, July 17, 2007
Crutchfield Customer Review (What's this?)
 
I bought these to round out my system that includes FXi5s in the side channel slots and these FXi3s in the rear channels, supported by a Polk subwoofer and center speaker with two ancient Rectilinear speakers serving in the primary channels. The "Recs" are known for their accuracy but they are easily matched by the FXi3s hands down. They can take everything my system pushes at them. The clear concise reproduction of sound has my guests looking over their shoulder during movies wondering if something is coming up behind them. Friends say that since I added these rear speakers, even very bad movies (with decent sound tracks) are enjoyable. I recommend the FXi3s to anyone who is looking for great surround effect. ... and I got both sets of speakers at Crutchfield ... both sets arrived within days of my order.
9 out of 9 people found this helpful
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5 out of 5

WOW

Written By Brian, Washington State on Thursday, February 08, 2007
Crutchfield Customer Review (What's this?)
 
Amazing, my living room is in no way set up for good surround sound. I replaced a set of "adequate" polk M3's with these speakers. Even my wife, who complains about every cent I spent on audio gear, noticed the amazing and enveloping rear soundstage in Dolby Digital DVD's. I run them as full range or "large" speakers with DD and DVD audio discs thru a subwoofer with a crossover @ 80 Hertz. There is no distortion at all with these speakers powered by a Dennon receiver. My entire audio system is Polk, and in my opinion you would have to spent a whole lot more to get sound even marginally better
12 out of 12 people found this helpful
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5 out of 5

Polk Audio FXi3

Written By Kevin, Bloomington, IN on Friday, September 15, 2006
 
I have the FXi3's paired with two RTi 70's and a CSi3 center channel powered by a JVC 130w per channel receiver and I could not be happier. They provide a very life like virtual sixth channel from the typical 5.1 setup. I am awaiting the arrival of a pair of R15's for my rear surround to complete my 7.2 system (yes...we have two subs set up for no good reason)and I fully expect that the FXi3's will serve as the perfect surround channels and I would highly recommend them.
21 out of 22 people found this helpful
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5 out of 5

AMAZING!!!

Written By Frank, Shelton CT on Saturday, April 01, 2006
Crutchfield Customer Review (What's this?)
 
It's taken me quite a while to complete my home theater, alot of people told me that "as far as your rear speakers are concerened, it doesn't really matter what you get..." WRONG!!!! I ended up buying some crappy low end speakers and got the feeling I wasn't getting the surround experience that I was looking for. Now, I bought these Polks for 349.99, and it was definately a significant increase in price from the previous purchase, but let me tell you, WORTH EVERY PENNEY!!! It makes me not want to go to a movie theater anymore, and even my wife who would usually say something like "...I don't hear the difference.." gave me a thumbs up, so in conclusion I definately recommend these speakers to anyone who is really looking to "surround" themselves with sound.
58 out of 62 people found this helpful
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Add accessories for the Polk Audio FXi3

You'll need speaker wire to connect your surround speakers to your amp or receiver. No wire is included with this speaker. See all categories & accessories

Monster Cable SuperFlat™ Mini Decor-friendly speaker cable with gold pin connectors (50-foot spool)
24 people say
Your Price: $34.95
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11 people say
Your Price: $14.99
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For a more in-depth review and enhanced detailed information on the Polk Audio FXi3, please visit the Crutchfield website product page (/ISEO-rccbcspd/p_107FXI3B/Polk-Audio-FXi3-Black.html ).