PA speaker 18inch

power : rms 500w, max 1000w,

spl :      93db

impendance : 6.6DCR.

magnet : 100OZ ,  outside have aluminum cover

cone :  cloth edge noonpress cone 

frame : wringkle sureface

voice coil : KSV 4inch

with ploycotton damper , normal  terminal

this system have 12inch 15inch

  We have the perfectly QC method.From product  AQL QC to  LOADING SUPERVISING RECORD .Can provide the report to the customers.My job is :  To make customer confortable in  product quality, delivery