For 6 inch car subwoofer, everyone has different special concerns about it, and what we do is to maximize the product requirements of each customer, so the quality of our 6 inch car subwoofer has been well received by many customers and enjoyed a good reputation in many countries. Audio Winner DSP Car Audio Factory 6 inch car subwoofer have characteristic design & practical performance & competitive price, for more information on the 6 inch car subwoofer, please feel free to contact us.