15" 1000W Front Firing Bass Effect Subwoofer

SPECIFICATIONS
General 
Low-Frequency Transducer W1500H 15" Pulp-cone driver with rubber surround and massive ferrite motor assembly with 4" copper edge-wound voice coil, mounted in a trapezoidal enclosure
Frequency Response (-3dB) 25Hz – 400Hz, variable
Crossover Frequencies 40Hz-140Hz HP
Port 4" Flared
Dimensions (H x W x D) 23" x 19-1/2" x 19" (584mm x 495mm x 483mm) 21" (533mm) Deep with grille
Weight 125 lb (57kg)