Diamond Audio DES124 Diamond Elite Series 12" 500W RMS (1000W Peak Power Handling) Dual Voice Coil 4Ohm Subwoofer

4Ω Impdance 500W RMS, 1000W MAX Dual Voice Coil Mounting Diameter: 11 “ / 279.5mm Mounting Depth: 6.63 “ / 168.5mm True-fiber weave paper backed parabolic cone High-grade rolled edge six leg black powder coated stamped frame Dual mirror image spider with woven tinsel leads Black PVC wrap-around mounting gasket Vented pole and voice coil gap for cooler operation Klippel® DA optimized motor and suspension symmetry Diameter : 12 Inch Sensitivity : 82.8 dB Impedance : 4 Ohm Peak Power Handling : 1000 Watts Number of Voice Coils : Dual Mounting Depth : 6.63 Inches RMS Power Handling : 500 Watts SPL (dB): 82.8 Re (Ω) [series]: 6.30 Qms: 9.0 Qes: 0.96 Qts: 0.87 Fs (Hz): 34.0 Vas(L): 30.0 Cms (mm/N): 0.08 Mms (g): 263 Sd (m2): 0.050 BL (T*M: 19.3 Xmax: 15.7 Pwr (W) nom/max: 500/1000 Total Diameter: 12.57” (319.4) in. (mm) Mounting Diameter: 11.0” (280.6) in. (mm) Screw Hole Dia.: 11.90” (302.6) in. (mm) Mounting Depth: 6.63” (168.5) in. (mm) Magnet Dia.: 6.51” (165.2) in. (mm) UPC: 847169035074 Weight: 22