Sony XS-GSW121D, GS Series 12" Dual Voice Coil Car Subwoofer - 520 Watts
High power handling with 2000 W peak power and a rated power of 400 W MRC Honeycomb design for precise, powerful bass with minimal distortion 20–600 Hz frequency response Double-layered spider ensures long excursion to reproduce richer bass sound Stabilized rubber surround for minimized acoustic distortion | Size 12-inch Voice Coil DVC Impedance 4 ohms RMS Power Rating (Watts) 520 Peak Power Rating (Watts) 2000 Cone Material Mica Reinforced Cellular Glass Surround Material Rubber Free Air No Sensitivity 83 dB at 1 Watt Frequency Response 20-600hz Top Mount Depth (Inches) 5 9/16 Bottom Mount Depth (Inches) 5 13/16 Cutout Diameter (Inches) 10 15/16 Vas (liters) 51 Fs (Hz) 32 Xmax (millimeters) 8.9 Warranty 3 Year