Transmission line enclosure for DD 6,5" test and results - Subwoofers / Enclosures - #1 Car Audio Enthusiast Forum in the world! | SMD | Meade916
DD Audio - Many of you are familiar with the 500W, 6.5" #DD506 Subwoofer. Well, it's back as the #DD606. The name is different, but the power and reliability is the same!
DD Audio DD506-D4 Dual Voice Coil Subwoofer - Life Style Store
Digital Designs DD Audio 510 10" Subwoofer | eBay
512d: 150w to 400w - 12 Inch Power Tuned Subwoofer - DD Audio
Digital Designs DD Audio 506-D4 6" Subwoofer – South East Car Audio
Digital Designs DD Audio 9512 12" Subwoofer | eBay
DD Audio Redline 506d D4 - Audiostatus
506d: 150w to 400w - 6 Inch Power Tuned Subwoofer - DD Audio
DD Audo 6.5" 1500 Series Subwoofer - Sky High Car Audio