This Is A Brand New Aftermarket Replacement Mackie Neodymium Driver Diaphragm,

Complete replacement diaphragm for  ( 0013925 , DN10/1704-8 B&C, DE12) 

for the Mackie 350 V1, 350 V2, C 200 Speaker Systems. Also Use On FBT Speakers System, EV EVLX 112P & EV ELX 115P & Many More