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      06-16-2009, 07:10 AM   #7
kaigoss69
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Drives: '08 335i
Join Date: Jul 2008
Location: JAX

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The key here is correct placement of the box to take advantage of the car's transfer function. Another thing you should consider is amping the underseat woofers with mid bass frequencies and sending only the low frequencies to the trunk. The lower the frequency, the less directional the sound and the easier it will penetrate into the cabin.

The results will be 10x better than cutting an ugly slot in the rear deck or removing the rear speakers.
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