E219 The E219 Subwoofer was developed to bolster the low-end of the E-Series line of products. The enclosure is loaded with two light weight, long excursion, 19" SD19 Kevlar Neodymium drivers utilizing Adamson's Advanced Cone Architecture and Symmetrical Drive Technology. The drivers employ dual 5" voice coils for exceptional power handling, with a dual-spider suspension system for extra stability even under extreme excursion. They are mounted in an ultra-efficient front-loaded enclosure, designed to reproduce clean, musical low frequency information. The user will appreciate the lower fundamental notes of this design.