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Polk Audio RM7C

Center channel speaker

Item # 107RM7CB

Discontinued item

Item # 107RM7CB

About the Polk Audio RM7C

Enjoy clear movie dialogue and sound effects with the Polk RM7C. This center channel speaker is identical to the one included with Polk's RM75 home theater speaker system. You can add the RM7C to the RM75 as a voice-matched rear center channel speaker in a 6.1-channel setup. Or, build your own system to match your budget and tastes with the individually sold RM7 satellite speakers and a Polk powered subwoofer.

Product highlights:

  • video-shielded
  • acoustic suspension (sealed) design
  • handles up to 100 watts
  • 1/2" dome tweeter
  • dual 2-1/2" woofers
  • frequency response 130-20,000 Hz (-3dB)
  • sensitivity 89 dB
  • tabletop cradle and wall-mount bracket included
  • 9-7/16"W x 3-7/8"H x 3-13/16"D
  • warranty: 5 years
  • Our 60-day money-back guarantee
  • MFR # AM7255-A

What's in the box:

  • 1 Black RM7 center channel speaker
  • Plastic mounting stand
  • Plastic mounting bracket
  • Mounting bolt
  • 2 Wood screws
  • Template for wall mounting
  • Online product registration sheet

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Crutchfield response

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More details on the Polk Audio RM7C

Stacey B.

Features & specs

Enclosure Acoustic Suspension
Color Black
Tweeter Semi-dome
Midrange size (inches) N/A
Woofer size (inches) 2-1/2
Connector Type Spring clip
Power Range 20-100
Sensitivity 89 dB
Impedance (Ohms) 8
Frequency Response 130-20k Hz
Height (inches) ---
Width (inches) ---
Depth (inches) ---
Weight ---
Parts Warranty 5 Years
Labor Warranty 5 Years

Product Research

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 center channel speaker are as follows:

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

Enclosure Design

Enclosure: The RM7 center channel features an acoustic suspension, non-resonant composite enclosure with a high-gloss black finish  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

Mounting: The RM7 center channel can be placed on a shelf or table top with the supplied mounting stand and can be angled up or down. The center channel speaker can also be wall mounted using the supplied wall mount bracket. The fixed wall mount bracket does not angle or swivel.

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

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