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Polk Audio MM691

600W 6x9" 3-Way Mobile Monitor MM Series Coaxial Speakers (Marine Certified)

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$142.46

with warranty

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General Features

  • 6" x 9" Mobile Monitor MM Series 3-way Marine Certified Speakers
  • Power Handling:
    • Peak: 600 watts per pair / 300 watts each
    • RMS: 250 watts per pair / 125 watts each
  • Recommended power range: 15 - 125 watts RMS per channel
  • Woven glass composite cone woofer
  • Butyl rubber surround
  • 1" Silk composite dome tweeter
  • 3/4" Super tweeter
  • 2.7 ohms impedance
  • Klippel distortion analyzer
  • 1-1/4" (30mm) Large diameter voice coil
  • Neodymium magnet structure
  • Top-mount depth: 3-3/16"
  • Grilles Included
  • Authorized Internet Dealer
  • 90 Day Manufacturer's Warranty

Priced Per Pair

Important Note: Polk Audio specifies the nominal impedance of these speakers to be 2.7 ohms. The product box states the impedance to be 4 ohms and the speaker magnet shows 2 ohms, this has been confirmed by Polk Audio to be an incorrect specification. The product manual is correct in stating the nominal impedance of the MM series of speakers to be 2.7 ohms.

Specifications

Second Depth
The second depth is used only when the box is slanted or angled. This value is the top measurement and it is measured in inches.
Depth
The front-to-rear depth of the item, in inches. If the item is angled or slanted, this value is the bottom measurement.
Height
The height of the item, measured from top to bottom, in inches.
Width
The width of the item from left to right (side-to-side) measured in inches.
Color
Color of handle.

Warranty and Return Policy

Parts Warranty Duration
90 days
Labor Warranty Duration
90 days
Warranty Provider
Manufacturer

Summary of Customer Ratings & Reviews

Rating Distribution

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Average Attribution Rating

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Browse 2 questions and 5 answers
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Why did you choose this?
Sonic Electronix Store
i bought these cause they run at 2.7 ohms and the reviews are excellent for the application I am using them on
ken r on Aug 14, 2015
I have always had good luck out of Polk audio.
Jason C on Feb 9, 2015
I like the quality of this brand : Polk Audio, good sound !
Matthew E on Aug 12, 2015
It's the best product at a reasonable price on the market.
Nelson H on Aug 9, 2014
I am looking at perchasing Polk MM651's and the Polk MM691's. What 4 Channel Amps can you recommend and what Ohm's? Would a 75x4 or 100x4 4 Ohm be a good match?
Steve C on Nov 11, 2015
Polk Audio MM691
Polk Audio MM691
Polk Audio MM651
Polk Audio MM651
Kenwood X450-4
Kenwood X450-4
Best Answer: I pushed my MM651's with 75watts at 4ohms and they sounded good for a replacement speaker.
Reply (1) · Report · John E on Nov 11, 2015
· Add Answer · I Have This Question Too (1)

Product Summary

Manufacturer

Model Number

MM691

UPC

747192114527

Weight

8.00lbs

Internal SKU

ls-mm691-obc256979-2

Internal Product ID

120173

Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: Polk Audio MM691