in a commrecial sub that would be the PB13, the ED A7-350 or 450, the EP800 and probably a few more. The A7-350 is the most inexpensive of the lot.

If you are willing and able to build your own, you can do it for somewhere around $1K with drivers from Exodos, AE or the like.

Fred

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Blujays1: Spending Fred's money one bottle at a time, no two... Oh crap!