DB Drive WDX8G5.4 8" Subwoofer 1800W Max

WDX8G5.4 SPECIFICATIONS Outside Diameter (A) 8.78″ (223mm) Cutout Diameter (B) 7.32″ (186mm) Mounting Depth (C) 6.32″ (160.5mm) GENERAL SPECIFICATIONS Structure 8″ (20.32cm) Woofer Dynamic Power Handling 1800 Watts Nominal Power Handling 900 Watts Impedance Dual 4Ω Voice Coil PARAMETERS Resonant Frequency (fs) 34.109Hz D.C. Voice Coil Resistance (Re) 2 x 3.2Ω Mechanical Quality Factor (Qms) 3.193 Electrical Quality Factor (Qes) 0.615 Total Quality Factor (Qts) 0.516 Equivalent Air Volume to Cms (Vas) 7.375 L Mass of Diaphragm/Coil (Mms) 169.4 kg Force Factor (Bl) 19.44 Sound Pressure Level (SPL) 78.6 dB