Model no. Product name Selected data  ER-1000A-BK  PERSONAL PA SYSTEM  ER-1000A-WH  PERSONAL PA SYSTEM  ER-1000A-YL  PERSONAL PA SYSTEM  ER-1203  SPLASH-PROOF MEGAPHONE  ER-1206  SPLASH-PROOF MEGAPHONE  ER-1206S  SPLASH-PROOF MEGAPHONE(WITH SIREN SIGNAL)  ER-1206W  SPLASH-PROOF MEGAPHONE(WITH WHISTLE SIGNAL)  ER-1215  MEGAPHONE  ER-1215S  MEGAPHONE(WITH SIREN SIGNAL)  ER-1215S EU  MEGAPHONE (WITH SIREN SIGNAL)  ER-2215  MEGAPHONE  ER-2215W  MEGAPHONE(WITH WHISTLE SIGNAL)  ER-2230W  MEGAPHONE(WITH WHISTLE SIGNAL)  ER-2930W  MEGAPHONE(WITH WHISTLE SIGNAL)  ER-3215  MEGAPHONE  ER-520 /EU  MEGAPHONE  ER-520S  MEGAPHONE(WITH SIREN SIGNAL)  ER-520W  MEGAPHONE(WITH WHISTLE SIGNAL)  ER-604W  COMPACT MEGAPHONE