When you have no space for bass, our Prime R2SD2-12 shallow subwoofer will satisfy your need. This 12" subwoofer handles 250 Watts RMS and the 2-Ohm Dual Voice Coil design lets you to wire them in various configurations. Anodized Aluminum Voice Coil Former Rockford Fosgate subwoofers use anodized aluminum voice coil formers that provide superior heat dissipation (up to 100° at full power levels). Unlike traditional plastic substitutions, aluminum acts like a heat-sink to quickly dissipate thermal build-up on the voice coil. This keeps subwoofers cool during high SPL conditions. Stitched Tinsel Leads Improved reliability and performance by reducing fatigue and possible shorting. When you have no space for bass, our R2 12" shallow subwoofer can help satisfy your need for low frequency music. These drivers can fit in tight spaces due to an elevated motor structure that reduces speaker depth. Mica injected polypropylene cones make sure bass notes are clean and accurate. Stamp-cast baskets feature spider venting typically reserved for traditional depth mounted models to keep the motor cool! These shallow subwoofers are optimized for sealed enclosures. Klippel Verified Klippel is a speaker certification program allowing us to deliver the best possible speakers. CEA-2031 Power handling on Rockford Fosgate speakers conform to CEA-2031 industry standards. | Size 12-inch Voice Coil DVC Impedance Dual 2 ohms RMS Power Rating (Watts) 250 Peak Power Rating (Watts) 500 Cone Material Mica injected poly Surround Material Poly-foam Free Air No Sensitivity 85 dB at 1 Watt Frequency Response 29-250 Hz Top Mount Depth (Inches) 3 5/8 Bottom Mount Depth (Inches) - Cutout Diameter (Inches) 11 1/8 Vas (liters) 65.4 Fs (Hz) 29.7 Xmax (millimeters) 10 Warranty 1 Year