DD 512 with factory Bose - need upgrade

89Vette
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Okay, I have 1 DD512 and a Kole 620 watt amp in the back wall of a chevrolet avalanche. I am not sure what its wired or the RMS though. But I want something louder and there's something with the sound that I am not really happy about, but not sure what it is. It could be because the box was made for like a 95 series and I am using a 500 series?

So should I upgrade the H/U now and do a sub+amp later? Or upgrade sub and amp now and don't worry about the H/U?

 
Know what I'm talking about?

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I really dont know..

But it is ported.. I went to a speaker shop here in town today and they said it was sounding bad because it was tuned to about 90 Hz, or about the same as my mids and if I bought a H/U then it would get rid of most of it?

 
yeah he also said he would adjust the lows and highs on the amp.. can I do that myself and it will fix? I really dont understand any of that though so I'm kinda lost with adjusting the amp.

 
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89Vette

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