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!
Velodyne - DDP - 18+ - Digital Drive Subwoofer
MASSIVE $6k Velodyne DD-18 subwoofer for Sale in Tampa, FL - OfferUp
Velodyne Digital Drive Plus 18 subwoofer | Stereophile.com
Want to Bang???? Digital Designs 18” monster. for Sale in Fayetteville, NC - OfferUp
2) DD AUDIO 718d-D2 18" SUBS 3600W DUAL 2-OHM CAR SUBWOOFERS BASS SPEAKERS NEW | eBay