(4) B&C 18SW115-8 18" Neodymium Subwoofer Speaker 3400W 8-Ohm 4.5" Voice Coil. B&C 18SW115-8 18" Neodymium Subwoofer Speaker Driver 3400W 8-Ohm 4.5" Voice Coil Key Features 3400 W continuous program power capacity 116 mm (4.5 in) split winding copper voice coil 35 - 1500 Hz response 97 dB... MSRP: Was: Now: $2,733.92 More Info Add to Cart The item has been added