eBay’s DS18 sale covers car audio gear direct from the brand, including speakers, tweeters, amplifiers, and wiring kits at up to 30% off. Prices range from budget items like a $14.95 100-foot speaker wire spool up to a $299.97 wakeboard tower speaker system with a built-in amplifier and Bluetooth. The lineup mixes DS18 and Black Diamond products in new, open-box, and refurbished condition, giving shoppers several ways to save on the same parts. Refurbs include 1- or 2-year Allstate warranties. Shop Now at eBay