Features High Temperature Voice Coil 120 oz. Ceramic Ferrite Magnet ( EWX8D2/8D4 Only ) 145 oz. Ceramic Ferrite Magnet High Grade Low Carbon Steel Top & Bottom Plate Design to optimize SPL Performance 1.5” High Roll Foam Surround Large Gauge Push Button Speaker Terminals Available in Dual 2Ω or Dual 4Ω Voice Coil Specifications Structure 12” (304mm) Max Power 4000 Watts Nominal Power 2000 Watts Impedance Dual 4Ω Voice Coil PARAMETERS Resonant Frequency (fs) 34.632Hz D.C. Voice Coil Resistance (R