Select a different speaker size 8" Speakers 10" Speakers 12" Speakers 15" Speakers 18" Speakers  IMAGE  MODEL VOICE COIL DIAM.  MAGNET WT.  POWER RTG.  SENSITIVITY  SPEC SHEET  DEFINIMAX™ 4018LF  4", 101.6mm  109 oz.  800W 95  DELTA PRO-18A  2.5'', 63.5mm  67 oz.  500W 96  DELTA PRO-18C  2.5'', 63.5mm  67 oz.  500W 94.4  KILOMAX® PRO 18A  4", 101.6mm  109 oz.  1250W 95.8  OMEGA PRO-18A  4", 101.6mm  109 oz.  800W 97  OMEGA PRO-18C  4", 101.6mm  109 oz.  800W 96.4  SIGMA PRO 18A-2  3", 76.2mm  120 oz.  650W 99