DD Audio Z08 Z Series 8" Subwoofer - Life Style Store
DD AUDIO 1108-D2 8" USA MADE WOOFER 800W DUAL 2-OHM SUBWOOFER BASS SPEAKER NEW | eBay
DD Audio 12" 1100 Series Subwoofer – Gately Audio
DD Audio - Custom Subwoofer enclosure for (2) 8 inch DD... | Facebook
DD Audio - "Overall Digital Designs has developed a winner of a pre-built sub here." Read the full review by Australian Magazine "In Car Entertainment". Read now: http://goo.gl/cXcG6h | Facebook