New install - not what I wanted. Advice please

[BrandonYates]

So I just installed my first Amp and sub in the trunk of my 2004 sebring convertible. The amp and sub are rated at 300W 4 ohms

I installed this amp:

http://www.crutchfield.com/App/Product/Item/Main.aspx?o=m&g=120&i=500MRPM500&tp=115

and this sub:

http://www.crutchfield.com/App/Product/Item/Main.aspx?showAll=N&g=510&i=158XSLB12&tp=112

They are installed in my trunk. It sounds decent when the trunk is open, but as soon as I close the trunk I can barelry hear the sub at all, even with the gain turned all the way up, music loud, etc. Is the problem with the equipment I am using, or does my car just have a soundproof trunk?

I am either going to figure out a wa to mount the sub inside the car, or I am gonig to return the sub and try to find a dual coil sub so I can take advantage of the full power from my amp (rated 500W at 2 Ohms, only 300 at 4 ohms.)

What should I do?

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[ascendantsubs1]

rip backseat out = problem solved

or get bigger amp n sub

 

[lastcall 10+ year member]

sell that ish and get something different. dont buy from there as well

 

[Phlipbak 10+ year member]

You expect 300w on Sony shit sub to get loud?

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[cycloneman 10+ year member]

I would say the biggest issue is the fact that you have a convertible. The "pocket" that your top drops into will block a lot of the sound coming into the cabin area.

 

[Beat_Dominator 5,000+ posts]

I see what you did there.

 

[daniel.lindsey 10+ year member]

Return the sony, and get a better sub and port it. Or, do what ascendantsubs1 said

 

[speedfreak28 10+ year member]

I would say the biggest issue is the fact that you have a convertible. The "pocket" that your top drops into will block a lot of the sound coming into the cabin area.

was gona say that, theres metal bracing to stiffen the chassis behind the seat thats blocking the sound.

 

[shpatb 10+ year member]

its either the metal bracing, or the fact you bought a sony sub...