2) DD AUDIO 1508d-D4 8" USA MADE 2400W DUAL 4-OHM SUBWOOFERS BASS SPEAKERS NEW | eBay
2) DD AUDIO 1108-D4 8" USA MADE WOOFER 800W DUAL 4-OHM SUBWOOFERS BASS SPEAKERS | eBay
DD AUDIO 812d-D2 12" SUB WOOFER 6000W DUAL 2-OHM CAR SUBWOOFER BASS SPEAKER NEW | eBay
DD Audio Intros New 8-Inch Slim Sub - ceoutlook.com
Digital Designs DDLE-mini8 Passive Subwoofer - Adam Rayner Talks Audio
2508f (ESP): 400w to 800w - 8 Inch Power Tuned Subwoofer - DD Audio
DD AUDIO 1108-D2 8" USA MADE WOOFER 800W DUAL 2-OHM SUBWOOFER BASS SPEAKER NEW | eBay
DD Audio Digital Designs 1508D-D4 8" 2400W Dual 4-Ohm Subwoofer
DD Audio Digital Designs 8 Inch Dual 4-Ohm 3600W Subwoofer 2508G-D4 — Big Jeff Online Inc
DD Audio 8" 600f Series Power Tuned Subwoofer
2508f (ESP): 400w to 800w - 8 Inch Power Tuned Subwoofer - DD Audio
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