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Car audio experts: Need your help. Looking for an amp powering Polk Audio DB6501 6.5 component

a1strank 1,040 174 October 7, 2012 at 09:16 AM More Amazon Deals
I am thinking about installing a pair of Polk Audio DB6501 6.5" component speakers on my 07 350z, but I need help finding a good amp for them. I am planning to disconnect the rear speakers all together since they are being blocked by seats anyway and from what I read, they are not worth replacing/upgrading so I think I would want a 2 channel amp with about 100 RMS x 2 @ 4 ohms? Please advise. Thanks! I was looking at the old school Fosgate 200.2 punch.

DB6501
http://www.amazon.com/Polk-Audio-...rds=db6501
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#2
An amp is an amp is an amp is an amp. Don't listen to the snake oil salesmen that tell you that there's differences. The only specs that matter for sound quality are RMS power output, and harmonic distortion. Anything that provides 100W x 2 or more at 4 Ohms will work. That is absolute child's play for an amp. You will likely not find any amp that weak, so you'll just be turning the gains down.

Do you care at all about weight? Given that the 350Z is rather small and performance oriented, you probably don't want to just be throwing in mass when you don't need to. Even if you're underpowering speakers, you won't hurt them (after all, what do you think happens when you turn the volume down? That's right, it just turns down the wattage to the speakers).

And for the record, your Amazon link is to a pair of gray market speakers, if that matters to you. It's the same speakers, but since it's an unauthorized reseller, the serial numbers will be scratched off.

Here are some amps that I see on Amazon, ships from and sold by Amazon:

Rockford PBR. Along with the new Pioneer 2 channel class D, it's one of the smallest, lightest, and most efficient (so it turns most of the power coming to it into sound, instead of giving it off as heat, which means less drain on your electrical system) that you can get. With the gains down, you'll be fine:
http://www.amazon.com/Rockford-Fo...93&sr=1-10

A more standard design Rockford:
http://www.amazon.com/Rockford-Fo...93&sr=1-21

You could always buy a 4 channel amplifier, and just bridge it down to 2 channels (i.e. use 2 channels to drive only 1 side, so it basically becomes a 120W x 2 amp):
http://www.amazon.com/JBL-MA6004-...681&sr=1-2

Clarion is an awesome company. 90W is close enough that unless you're in competitions, or you are always listening to your music at absolute maximum volume, you won't notice a difference:
http://www.amazon.com/Clarion-XH5...674&sr=1-6

Another Clarion. This one is Class D, look how small it is! It has less power than the Rockford PBR, but isn't as sensitive to Ohm ratings (i.e. you can run it at 2 Ohms without blowing anything):
http://www.amazon.com/Clarion-XC6...674&sr=1-4


Or, check out Sonic Electronix and Crutchfield. Two reputable places to buy car audio.
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Joined Feb 2009
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Original Poster
#3
thanks for the suggestions shnitz! I was looking at an used Alpine MRP-F250 for like $60 picked up locally. What do you think? My only concern is the heat from these older amps. I had an older 1990's fosgate which draws A LOT OF heat and the fact of being used..i can't really test the amp out since I don't have wiring in my car yet

http://www.crutchfield.com/S-1XYb...etails-tab

I really like that JBL amp and that small Fosgate amp you linked, I might consider getting one of them since they are new.
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Joined Feb 2009
L6: Expert
1,040 Posts
174 Reputation
Original Poster
#4
Quote from shnitz View Post :
An amp is an amp is an amp is an amp. Don't listen to the snake oil salesmen that tell you that there's differences. The only specs that matter for sound quality are RMS power output, and harmonic distortion. Anything that provides 100W x 2 or more at 4 Ohms will work. That is absolute child's play for an amp. You will likely not find any amp that weak, so you'll just be turning the gains down.

Do you care at all about weight? Given that the 350Z is rather small and performance oriented, you probably don't want to just be throwing in mass when you don't need to. Even if you're underpowering speakers, you won't hurt them (after all, what do you think happens when you turn the volume down? That's right, it just turns down the wattage to the speakers).

And for the record, your Amazon link is to a pair of gray market speakers, if that matters to you. It's the same speakers, but since it's an unauthorized reseller, the serial numbers will be scratched off.

Here are some amps that I see on Amazon, ships from and sold by Amazon:

Rockford PBR. Along with the new Pioneer 2 channel class D, it's one of the smallest, lightest, and most efficient (so it turns most of the power coming to it into sound, instead of giving it off as heat, which means less drain on your electrical system) that you can get. With the gains down, you'll be fine:
http://www.amazon.com/Rockford-Fo...93&sr=1-10

A more standard design Rockford:
http://www.amazon.com/Rockford-Fo...93&sr=1-21

You could always buy a 4 channel amplifier, and just bridge it down to 2 channels (i.e. use 2 channels to drive only 1 side, so it basically becomes a 120W x 2 amp):
http://www.amazon.com/JBL-MA6004-...681&sr=1-2

Clarion is an awesome company. 90W is close enough that unless you're in competitions, or you are always listening to your music at absolute maximum volume, you won't notice a difference:
http://www.amazon.com/Clarion-XH5...674&sr=1-6

Another Clarion. This one is Class D, look how small it is! It has less power than the Rockford PBR, but isn't as sensitive to Ohm ratings (i.e. you can run it at 2 Ohms without blowing anything):
http://www.amazon.com/Clarion-XC6...674&sr=1-4


Or, check out Sonic Electronix and Crutchfield. Two reputable places to buy car audio.
What do you think about these fosgates?

http://www.amazon.com/Rockford-Fo...+Prime+amp

Will I notice different between that and the "PuncH" series? It is significantly cheaper..
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#5
Quote from a1strank View Post :
What do you think about these fosgates?

http://www.amazon.com/Rockford-Fo...+Prime+amp

Will I notice different between that and the "PuncH" series? It is significantly cheaper..
"This" Fosgate, it's only 1 amplifier. The amp is fine enough, but if you'll notice, all the Amazon links I posted are products sold by Amazon. This is some shady marketplace seller, not sold by Amazon. About the amp itself, it will work fine. You don't need a Punch amplifier, since you have such modest power requirements.
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