Best prices on Advent in Stereo Speakers & Headphones. Check out BizRate for great deals on Stereo Speakers & Headphones from Advent, Audiovox and Velodyne. Use BizRate's latest online shopping features to compare prices for Advent. Read product specifications, calculate tax and shipping charges, sort your results, and buy Electronics with confidence. Easily narrow your search and find the product that's perfect for you: Advent H-200 5.25 2-Way Bookshelf Speakers (Pair) - Velodyne SPL800II Factory Renewed Maple Open Box Series II 8-Inch Powered Subwoofer.