These Monster Bass Drivers rule in speed, sound quality, and SPL

Armed with a U.S. made massive 3.25” aluminum voice coil former with a flat wire wrapped edge wound style, it easily uses 2000 Watts RMS. With a 3” tall winding on the 10” and 12” Subzero models, and a massive 3.5” winding height on the 15”, each of these have an astounding 4 inches! Of peak to peak travel, with the winding in the magnetic gap at all points of travel.