For EQ-Tube car processor, 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 EQ-Tube car processor has been well received by many customers and enjoyed a good reputation in many countries. Audio Winner DSP Car Audio Factory EQ-Tube car processor have characteristic design & practical performance & competitive price, for more information on the EQ-Tube car processor, please feel free to contact us.