Series 12k 33″ Basket, Magnet and Measurements Posted on 09/08/2017 by Pierce Audio Inc. A few recent pictures of the Pierce Audio Series 12k 33″ subwoofer. Share this:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to email a link to a friend (Opens in new window)
