Through their bold designs and innovative technologies, Velodyne has been recognized for more than 20 years as one of the world's leading makers of powered subwoofers. In Crutchfield's Velodyne store, you'll find high-performance subwoofers that add deep, precise bass to your movies and music. Add the unique resources and unparalleled customer service Crutchfield provides both before and after the sale — including our 30-day money-back guarantee with free return shipping, and free lifetime tech support — and you've got a winning combination for outstanding home entertainment.