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Old 05-19-2010, 05:09 PM
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RiverMC197 RiverMC197 is offline
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Join Date: Apr 2008
Boat: 1997 Mastercraft Prostar 205 LT-1
Location: Midwest
Posts: 65
Originally Posted by etduc View Post
Which MM are you talking about? I bought mm651um, over db651. Haven't installed them,yet. All Polks speakers, (I've owned a home set.) pretty dang impressive, at their price points.
Just noticed that there's a difference. I was just looking at the regular mm651's because it says their still marine certified. Those UM's look like they have better seals and what not. Is that the main difference?
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