Polk Audio RM7

Single satellite speaker (Black)

  • Polk Audio RM7


  • Polk Audio RM7


  • Polk Audio RM7

    Grille off

Item #: 107RM7B

Review Summary

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Original price $59.99
We recommend this similar item, or shop all Bookshelf Speakers

Our take on the Polk Audio RM7

by Loren Barstow
Polk Audio

Why choose bookshelf speakers?

Bookshelf speakers may be small in size, but they can deliver surprisingly big sound. Some ultra-compact models even fit on a desktop. Most are right at home in tight spaces like shelves, so they're usually good choices for your home theater's rear channels. For the best performance, try placing bookshelf speakers on solid speaker stands to help the sound really "open up." If you want full bass impact, add a powered subwoofer and enjoy punchy sound that's as deeply satisfying as that of floor-standing speakers.

Add extra surround speakers to your Polk RM75 or RM85 home speaker system and enjoy even more enveloping audio effects. Each RM7 includes a pivoting wall bracket, so you can mount the speaker just about anywhere and point it toward your listening area for the best sound quality.

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  • video-shielded
  • acoustic suspension (sealed) design
  • handles up to 100 watts
  • 1/2" dome tweeter
  • 2-1/2" woofer
  • frequency response 140-20,000 Hz (-3dB)
  • sensitivity 89 dB
  • includes wall-mount bracket
  • 3-7/8"W x 6-1/8"H x 3-13/16"D
  • warranty: 5 years
  • Our 60-day money-back guarantee
Priced each

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

    Features and Specs
    Enclosure Acoustic Suspension
    Video Shielded Yes
    Tweeter Type Semi-dome
    Tweeter Size (inches) 0.5
    Midrange Size (inches) N/A
    Woofer Size (inches) 2.5
    Woofer Composition Composite
    Woofer Surround Foam
    Power Range 20-100
    Sensitivity 89 dB
    Impedance (Ohms) 8
    Frequency Response 140-20k Hz
    Connector Type Spring Clip
    Bi-amp Inputs No
    Height (inches) 6-1/8
    Width (inches) 3-7/8
    Depth (inches) 3-13/16
    Weight (pounds) 0
    Mounting Bracket Included Yes
    Recommended Stand Height (inches) 36
    Parts Warranty 5 Years
    Labor Warranty 5 Years
    Product Research
    What's in the box?

    Download owner's manual

    • 1 Black RM7 satellite speaker
    • Plastic mounting bracket
    • Mounting bolt
    • Template for wall mounting
    • Online product 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.

    Driver Technology
    Enclosure Design
    Mounting Options

    Driver Technology

    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.

    Drivers: The drivers used in the RM7 speaker are as follows:

    Midrange: The satellite speaker features one 2-1/2" dynamic balance composite cone driver, which is lightweight and efficient, resulting in clear, distortion-free midrange.
    The RM7 has a high-performance 1/2" dynamic balance composite semi-dome tweeter for sweet highs and more lifelike imaging.

    Enclosure Design

    Enclosure: The RM7 features an acoustic suspension, non-resonant composite enclosure with a high-gloss finish (white or black) for great looks and natural sound. The three-sided cabinet design minimizes the visual impact on walls and shelves while the integrated baffle and anti-diffraction grille design allows maximum sound dispersion with minimum diffraction for superior imaging and room-filling sound.


    Speaker Terminals: The spring clip terminals located on the rear of the speaker will accept pin connectors and bare wire.

    Mounting Options

    Video Shielded: The RM7 is magnetically (or video) shielded for safe placement near your TV or computer monitor without causing picture interference.

    Mounting Options: The RM7 can be placed on a shelf or table top without a stand due to its flat base. The satellite speaker can also be wall mounted using the supplied wall mount bracket which allows the speaker to swivel horizontally. In addition, the RM7 is compatible with Polk's SA-3 floor stands.

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    Polk Audio RM7 Reviews

    Average Customer Review:

    8 people say:

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    Filter by rating:
    5 out of 5

    Back Surround Sound Speakers

    Written By Ben, Poquoson, VA on Sunday, September 19, 2010
    Crutchfield Customer Review (What's this?)
    I really, really like these speakers - once I got them tuned with the receiver, the front speakers and the room the sound they produce is great. I have four of them across the back wall of my study that I use for back surround sound speakers. They are the perfect size for my study - a small room. Another benefit is these speakers come with wall mounts - nothing to write home about but they do the job just fine..
    1 out of 1 people found this helpful
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    5 out of 5

    Polk RM7

    Written By Eric V, Lehi, UT on Saturday, August 21, 2010
    Bought these for my rear speakers to my home surround sound system and coudn't be happier. Very clean, rich highes, very nice speakers.
    Was this review helpful?    Yes | No
    5 out of 5

    Small but Mighty

    Written By Anonymous, Allentown PA on Tuesday, July 27, 2010
    I have 6 of these, 4 as my rear surrounds, 2 as my fronts w/RM7C center speaker. They rock. Sound is incredibley clear, master HD tracks rock, you hear everything as it was meant to be heard. For their size they are amazing.
    Was this review helpful?    Yes | No
    5 out of 5


    Written By Anonymous, Browns Mills, NJ on Monday, January 25, 2010
    Crutchfield Customer Review (What's this?)
    I own Polk car tweeters which provide excellent sound. The highs are ridiculously clear and accurate. This is my first experience with Polk home speakers and I am thoroughly impressed. I purchased these speakers to replace surround (rear) speakers for a 5.1 Dolby Surround System that still sounds phenominal. I was using a pair of Mini Advents that I had for about 15 years. The Mini Advents did sound good, but they were a little bulky for the surround sound speaker stands that I had, and they provided more power than what I was using them for. I decided to try the Polk RM7 and I am not at all disappointed. Great sound for a small speaker. Very clear and accurate. I highly recommend these for a surround sound set up.
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    5 out of 5

    Polk Audio RM7

    Written By Juan J., Jayuya, PR on Friday, January 30, 2009
    Crutchfield Customer Review (What's this?)
    I buy two of this small but very powerfull speakers to complete a 7.1 home theater system with the RM 75 Polk Audio System. Very well matched with the other five beacause they are identic. Heartly recommended. Thanks to my Crutchfield by phone advisor. They are installed with the Sony Receiver STR-DG920 and the 32" Bravia TV. My friend, what a experience in High Defiition TV Sports!. This is another world!!! For me, no more standard TV.
    8 out of 10 people found this helpful
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    5 out of 5

    Great Sound

    Written By Dennis, Green Bay, WI on Monday, October 27, 2008
    Crutchfield Customer Review (What's this?)
    I am really amazed by the sound of these small speakers. I was able to mount these on a ceiling and the quality and performance are great!
    Was this review helpful?    Yes | No
    5 out of 5

    Polk Audio RM7

    Written By mary, white house, tn on Friday, October 10, 2008
    The sound from the speakers is great. pure sound.
    Was this review helpful?    Yes | No
    4 out of 5

    Very crisp little speakers

    Written By Jack, Philadelphia, Pa. on Wednesday, September 10, 2008
    Crutchfield Customer Review (What's this?)
    These things have a very small footprint yet produce such crisp clean sound, it is amazing.
    59 out of 64 people found this helpful
    Was this review helpful?    Yes | No

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    For a more in-depth review and enhanced detailed information on the Polk Audio RM7, please visit the Crutchfield website product page (/ISEO-rccbcspd/p_107RM7B/Polk-Audio-RM7-Black.html ).