A very good product that has such evidence as soon chateau brand
It even happened to be in the martin!
a fairly low cut maxi 100hz
amp recomand: Amcron NEXO
What's serious!

SOUNDS

We are in the field of extreme severe
from the time or there are a good filter and amp its strong market

OVERALL OPINION

You can count on one hand the manufacturers can make such a product
That said it is very expensive! but so reliable that if found.