.JBL GT-512 = 4600
between those
this subwoofer is Great ,
have more Excursion then JBL 1202/4
but
dont know 90 or 93 DB Sensitivity
FS is below 27hz ( its enough)
275Wrms and 1100W peak
Dual GT-5 12" will Perform better then any other sub ,
Under 500Wms power
100% sure , 14.00mm Excursion cool !!