Hello dear sir,I am a buyer from JK Automotive located in United States of America. I am interested in this style of big power", 4000W RMS 8000W Max power car subwoofer and in doing business with you.Could you please send me the quotation from this with the details as below:Impedance,Size,Model Do you have any quality assurance certificates?Please cop Show More...
Hello dear sir,I am a buyer from JK Automotive located in United States of America. I am interested in this style of big power", 4000W RMS 8000W Max power car subwoofer and in doing business with you.Could you please send me the quotation from this with the details as below:Impedance,Size,Model Do you have any quality assurance certificates?Please copy and paste the questions and answers back to me.can you provples of the 18" version for testing and inspectionBest RegardsJoseK Automotive