pssound on youtube used an Adire audio 15 in tempest. Here is a video of him testing it.

https://www.youtube.com/watch?v=vsgHsSppA7w

Here is a video of the sub woofer part of his build.

https://www.youtube.com/watch?v=YBOIOAWo5c8

I highly recommend his channel. I've learned allot from his videos.