DOWN4SOUND DBz 18" SUBWOOFER - 4 OHM DVC | 1300W RMS

QUICK NOTES: RMS OUTPUT: 1300W RMS COIL SIZE: 2.75 INCH CUTOUT: 16.81 inches (427 mm) MOUNTING DEPTH: 9.96 inches (253 mm) NET WEIGHT: 34.2 lbs (15.5 kg) GROSS WEIGHT: 38.5 lbs (17.5 kg) XMAX : 30 mm (one-way) MOTOR SIZE: 7.48 in - 190 mm | 3.74 inches (Radius) Precision Engineering: Engineered with an optimized motor strength (BL Product: 31.543 T·m) and an effective piston area (Sd) of 120.887 cm² for powerful sound output at an affordable price. Technical Specifications: Revc (DC Resistance): 6.050 Ohm Resonance Frequency (Fo): 31.811 Hz Total Moving Mass (Mms): 545.772 g Suspension Compliance (Cms): 45.781 μm/N Equivalent Volume (Vas): 94.688 L Sensitivity (SPL): 88.5 dB Qms (Mechanical Q): 2.677 Qes (Electrical Q): 0.666 Qts (Total Q): 0.533 Voice Coil Inductance (Le): Not specified Mechanical Resistance (Rms): 0.773 Sealed Enclosure: 3.5 cubic foot Ported Enclosure: 4.5 cubic feet Outside Diameter: 18.47 in (469mm) Displacement: 0.21 cu ft   Why You Shou