Welcome to Monstar enterprise co.ltd, here ,you will find that you want !!!Monstar enterprise co.ltd has over 5years factory and export experience,we have subwoofer ,car speaker factory ,AV cable factory , RCA connector factory .Also ,we have a strong large export department,we will source what you want.Professional Technology .Professional Service.Quick Reply ,Quick Delivery !Our best tenet is to do well business with you .Do not feel free to tell us! Product is important .Market is inprotant .Customer is important. Price is also important.Let us go to our co-cooperation for long!!!!