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Polk Audio DB521 5.25-Inch Coaxial Speakers (Pair, Silver)

See it at Amazon.com for $109.95

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(5.0 out of 5)

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3 of 4 people found the following review helpful:

excellent speaker - HIGHLY recomended!!!

(5 out of 5) by A. Noblitt on Aug 29, 2007 (midcontinent)
From the moment I took them out of the box I was impressed. Nicely stamped steel basket of quite sturdy material with a high quality rubber surround and poly cone. After putting them into the "custom" holes in the door panels of my '88 Jeep Wrangler and hooking them to the head unit I fired them up and was completly Blown Away! The highs are crisp and oh so clean, the mids make sax's sound like sax's and guitars sound like guitars, the mid bass kick is nice and solid with not-a-speck of mushiness. But it's the tweeter thats the killer in this unit for sure. It just sings! The crash of cymbals is so natural and clean, female voices, everything just sounds so natural coming out of these beauties.
And talk about "attack", it's here in spades. Try cranking up Hendrix's "Machine Gun" and see if all the little hairs on the back of your neck don't just stand straight up!
Now, all I have them powered by is the head unti at this point, a full 7 watts or so I imagine, and trust me when I say the head unit amp gives out long before the speakers do. The db's just play louder and louder until the amp begins to distort, all the while showing no sign of distortion themselves. They cry to be driven by a good powerful amp!
This is the first speaker I have ever had in my Wrangler in the 19 years or so that I have been driving it that can play loud enopugh to be heard over the wind on the highway! Just love these babies and can't wait to get more! Maybe the 4x6 for the dash spots?
P.S. These speakers would dovetail very nice with a good subwoofer. They sound nice and tight down to their limit.
P.P.S Bolt these speakers down TIGHT ! They are serious air moving pistons and they will shake like crazy. I suggest something metal!

Rock on...

(5 out of 5) by David Heinen on Oct 31, 2009 (Jackson, MI)
Purchased these speakers as replacements for the factory speakers that were on my pontoon boat... Boy oh boy, was I amazed at the difference, these speakers are awesome! All of my music is much more clear and crisp, the bass these little guys put out is excellent as well.

I would highly recommend these speakers to anyone looking to upgrade their marine speakers, you can't go wrong with these!!!