Sony XS-LD126P5 Single 12 inch Subwoofer DVC 400RMS, 1500W MAX (Sony XSLD126P5) Frequency Response : 30 - 1000 Hz /RMS - 400W Peak - 1500W Dimensions (Approx.) : Woofer 12" (30cm) Cone Enclosure / Dual Voice Coil /Diameter (Approx.) : 6-1/2" Diameter (Approx) : 12" Dimensions (Approx) Depth : 6-1/2" Dimensions (Approx.) : Woofer 12" (30cm) Cone Weight (Approx.) : 12 lbs. 3 oz. MRC + Glass fiber Composite Diaphragm Sensitivity (db) : 84 dB/W/m /Gold plated 5-way binding posts