DD Audio Product Highlight | 28 June 2017 The DD Audio 12 inch Evolution Subwoofer Package (ESP) has arrived and is very literally ready to rumble. Featuring staple DD Audio innovations like the Super Frame (SFrame), Vario-density Extended Range Of Motion Surround (V-ROM), True Size Carbon Fiber Blend Cone (CFB) technology, and Tuned Spider System (TSS) technology; the 12 inch ESP is set to deliver...