Alpine W10S4, Bass Series Single 4 Ohm Voice Coil 10" Subwoofer - 750W

BASS FOR ALL The 2017 BASS subwoofers are engineered to be fun and loud in a budget friendly category by combining retro styling with enough efficiency to run on 250W RMS. PERFORMANCE: EFFICIENCY & TIGHT BASS An optimized magnet circuit allows more focused magnetism in the gap which results in improved efficiency. This means tighter bass control and more output! | Size 10-inch Voice Coil Single Impedance 4 ohms RMS Power Rating (Watts) 250 Peak Power Rating (Watts) 750 Cone Material Polypropylene and Mica Surround Material Polyurethane Foam Free Air No Sensitivity 86.6 dB at 1 Watt Frequency Response 24-200hz Top Mount Depth (Inches) 5 1/16 Bottom Mount Depth (Inches) Cutout Diameter (Inches) 8 15/16 Vas (liters) 34.7 Fs (Hz) 32 Xmax (millimeters) 10 Warranty 1 Year