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Old     (damned04)      Join Date: May 2005       05-09-2008, 2:18 PM Reply   
Currently I have 4 x 6.5 kicker "marine" speakers and two mako mb quart tower speakers. When turned up the kickers don't sound too clean.
Specs on the kickers:
Power range 2-65 watts
RMS Peak power handling 175 watts
Sensitivity 90 dB
Frequency response 43-20,000 Hz

I was thinking of swapping them out for some polk MMC650's.
recommended power range: 10-80 watts RMS
peak power handling: 160 watts
frequency response: 43-25,000 Hz
sensitivity: 90 dB

Would this be a good upgrade or would I just be wasting my money? Any other recommendations?
Old     (tlatoani)      Join Date: Oct 2007       05-09-2008, 2:23 PM Reply   
I just put the momos in and they sound great. I'm running a kicker 850.4 to the 4 in the rear. Do you have an amp or just the head unit powering them?
Old     (damned04)      Join Date: May 2005       05-09-2008, 4:11 PM Reply   
Headunit powering the speakers and the tower speakers are amplified
Old     (kko13)      Join Date: Jul 2006       05-09-2008, 4:17 PM Reply   
wetsounds 650s. if your gona do it do it right! i just upgraded to these and still use the same clarion amps as i did with stock clarion speakers people are like "dam" what did you do get a whole new stero it sounds so much better they think i have put in bigger better amps and all i did was switch to the wetsounds 650s. new wetsounds sub next week or so.

(Message edited by kko13 on May 09, 2008)

(Message edited by kko13 on May 09, 2008)
Old     (mikeski)      Join Date: Aug 2003       05-09-2008, 4:18 PM Reply   
I have the Polk MMC 650's, I might recommend the cheaper db675/650 over the MMC's. They are a bit more efficient, lighter, no outboard XO box.

Other options are Infinity Kappa's (watch wiring, 2 ohm speakers), or the good old pioneers.

And of course the WS 650's...
Old     (hatepain)      Join Date: Aug 2006       05-09-2008, 10:37 PM Reply   
I'm gonna be pulling out some polk db 650's pretty soon if you want em $50 + whatever it would be for shipping. There in perfect shape used less than a year. I'm just upgrading to components. set of 4
Old     (ndavis03)      Join Date: Jul 2006       05-10-2008, 8:44 AM Reply   
Hate please email me if and when you want to get rid of those polks:
Old     (hatepain)      Join Date: Aug 2006       05-10-2008, 11:15 AM Reply   
Can do. The speakers I orderd are on there way so I should be able to get them thrown in pretty quickly.
Old     (clubmyke)      Join Date: Aug 2004       05-10-2008, 11:47 AM Reply   
image dynamics
Old     (dafinman)      Join Date: May 2008       05-10-2008, 4:01 PM Reply   
If you are running the kickers off the head unit, power might be your weak link. No quality speakers are going to sound very good without solid power behind them.
Old     (05mobiuslsv)      Join Date: Apr 2006       05-10-2008, 5:11 PM Reply   
I swapped out the stock kicker speakers out of my boat last season, switched to polk momo's and sounds way better. You can't drive the kickers with very much power, that 1/2" tweeter starts to sound nasty pretty quick. You can get the polks for less than half the price of the wetsounds.
Old     (cyclonecj)      Join Date: Jul 2001       05-10-2008, 5:30 PM Reply   
I have the momos. I love them, great tweeters and very durable. I like the bigass crossover;) They just sound great.
Old     (tanner)      Join Date: Oct 2005       05-10-2008, 5:34 PM Reply   
Sleez, do yourself a favor and put an amp to your kicker's before you yank them out.

I'd recommend the Kicker ZX650.4 or the ZX850.4 for those speakers.

They will scream if you do that, and won't need to yank them out. If you don't like them after that, then yank them ... your gonna need the amp for the Polks as well so you will have lost nothing.
Old     (05mobiuslsv)      Join Date: Apr 2006       05-10-2008, 6:39 PM Reply   
Tanner that's funny, with either one of those amps he'll blow the crap out of them. I was powering mine with a kicker 350.4 and they were screaming for mercy.
Old     (tanner)      Join Date: Oct 2005       05-11-2008, 10:50 AM Reply   
Admittedly the 850.4 Might be a little much, but the 650.4 is perfect for them. I know, b/c I've been running them off of a 650.4 with no problems for 2 years now. Those speakers call for 75 Max, and the 650.4 will give you about ~ 85W x 4 @ 4Ohms. Gives you a bit of headroom to play with.

I just caught that he was using the Marine speakers, and not the KS650.2's. But the specs are almost identical and therefore the 650.4 would still be a great choice.
Old     (05mobiuslsv)      Join Date: Apr 2006       05-11-2008, 12:42 PM Reply   
Tanner that's wierd the specs I've seen on the 650.4 are 120 watts rms at 4 ohms, and since they are pretty underrated probably looking at closer to 150 rms at 4 ohms. You sure you use that amp, I think you're getting your specs mixed up somewhere. That's to much amp for those speakers.
Old     (tanner)      Join Date: Oct 2005       05-11-2008, 1:17 PM Reply   
Your probably closer to right about the 120. Kicker doesn't post their 4 Ohm specs on these amps for some reason on their site. So I just divided the 2 Ohm spec in half.... yes I know that you don't really get double your power into 2 Ohms like many claim.

And yes... I use the ZX650.4. I have an 850.4 for the tower speakers, a 650.4 for my interior speakers, and a ZX750.1 for my sub.

Over at Tigeowners, we have one of Kicker's marine engineers, Phil.... he even said the 650.4 was a good choice for those speakers.

I personally don't think to much power is a bad thing (to a point) .... UNTIL you get stupid with the gains. I personally like keeping my gains down, and having some headroom. Even when I used to compete in SQ in IASCA, I always gave my components more power than they needed. Underpowering causes more problems than overpowering.
Old     (fullspeed)      Join Date: Oct 2005       05-11-2008, 1:54 PM Reply   
I have had polk momo's and loved them on my old boat. They were very loud and sounded great to me. The 6x9 and 6.5 were very durable and I got them on ebay for cheap.

I have Kicker on my new boat , cause the dealer I bought the boat from said they were real good and BLAH BLAH BLAH. Bottom line they saw $$ signs and sold me crap at high price.

I plan on buying better speaks and MOMO's are probably the ones I am going to buy. I would look at WS, but they do not have 6x9's.


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