Amazing performance, and amazing prices. Every Alpine subwoofer is packed full of technology designed to enhance your listening experience. Alpine's budget friendly solutions such as the Type-A's and the Type-S's can give you that 20% of music your door speakers cannot produce without breaking the bank. The thunderous Type-R subwoofers aren't for the faint of heart, with unrivaled performance to the dollar. Don't have much room? The Alpine SWT subwoofers are your perfect solution. These subwoofers from Creative Audio will definitely let them know you're coming.