718d: 600w to 1200w - 18 Inch Power Tuned Subwoofer - DD Audio
718d: 600w to 1200w - 18 Inch Power Tuned Subwoofer - DD Audio
Velodyne Digital Drive Plus 18 (DD18+) Subwoofer Introduction | Audioholics
DD Audio Redline 818d D2 - Fanatic Audio
DIGITAL DESIGNS DD718 D2 double coil 18" 2+2 ohm
Velodyne Digital Drive PLUS 18 Inch Subwoofer(black)(each) Velodyne Digital Drive PLUS 18 Inch Subwoofer BLACK - $4,352.00 : New Audio & Video, New Electronics at Lowest Prices!
Digital Designs DD Audio 818 18" Subwoofer – South East Car Audio
DD Audio 700 Series 18" - 1200w RMS Car Audio Subwoofer
Product Spotlight: DD Audio Defies Nature with New 18” Evolution Subwoofer Package - DD Audio