American Bass 12" Shallow Mount Subwoofer Black SVC 600-Watt 4 Ohm SL-124 This Listing Includes: (1) American Bass 12" Subwoofer SL-124 Features: 12" High power slim subwoofer Heavy-duty stamped basket with black powder finish Rigid and light composite paper cone Hi-roll foam surround for high excursion 2.0" 4 layers high temp. Voice coil with Nomex bobbin Black poly-cotton spider with tinsel woven-in Double stacked 80 oz high-grade magnets VC direct cooling motor design Rubber gasket and rubber magnet boot Chrome push terminals 300w RMS power, 600w MAX power Single 4 Ohm impedance Shallow Mount Subwoofer Technical Specifications: Nominal Diameter: 12 Nominal Impedance: 4 Ohms MAX Power Handling: 600W RMS Power Handling: 300W Sensitivity (1w/1m): 90.1 dB Ported Box (FT3): 0.75 Magnet Size: 80 oz Voice Coil Size: 2 Basket Type: S STEEL Recommended Amp (PAIR): PH 1600 Dimensions: Overall Diameter: 12.40" (315 mm) Front Mount Baffle Cutout: 10.67" (271 mm) Mounting Depth: 4.1" (104.14 mm) Overall Depth: 4.96" (126 mm) Motor Diameter: 5.94" (151 mm) Unit Weight: 12.87 lb.