This is a sealed Rythmik 12" subwoofer with the XLR3 amp upgrade
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Here is a another...
Status: New. Grill(s) are included.
If this project were built today in this particular finish, it would cost $ 1325.
This product is available now for $ 1325 plus shipping.
For more information on this design, check out the Rythmik 12 subwoofer web page.