Subwoofer Advice for BMW Convertible

[kioko12]

I'm thinking about getting an aftermarket sub installed in the trunk of my Z4 convertible. I looked at some equipment and so far a RFosgate P3 12" in a ported enclosure with their 500 watt Power amp seems like the way to go.

The installer suggested that I stay at 500 or below so that I won't over-stress the car's electrical system. I don't really want to upgrade the alternator or add an extra battery. Also, my music preference tends to lean towards hip-hop and R&B, though the occasional Jazz and Alternative/Indie sneaks in once in a while.

My questions are:

1. 
   
   What do you think of the RF P3 sub and the ported enclosure? Any other recommendations?

1. 
   
   Will there be enough bass transfer into the cabin through the sealed trunk?

Thanks

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[BassMechanix 10+ year member]

Considering your trunk space I would go with a 12" Mag v4. It uses a small enclosure, 1 cubic foot sealed with a shallow mounting depth of 4.75". It has a super clean sound with all genres of music even when turned up to the max and you will not go near that at 500 watts so you will not have to worry about blowing the sub. I know a few people that have them and they are very pleased with sound and how much space it saves in thier small trunks so I would say its a good fit for what your looking for. Here is a link where you can check it for yourself. http://stereointegrity.com/mag.php In reference to the bass transfer from your trunk into the Z4's cabin I cant see the Mag not being powerfull enough to not satisfy your needs.