Technical specs and contents:

• 1 e/a 12” Cast Subwoofer
• Frequency response 10Hz-400Hz
• Power handling: 500WRMS (1000Watt Pk).
• Impedance 4 Ohm
• Sensitivity: 86.1dB
• Mounting depth: 6.22”
• Cutout diameter:11.0”
• Cast frame: OD 12.28”
• Cone: Mid/Kevlar-paper Honeycomb
• Magnet weight: 134 Oz stacked
• Cone surround: NB rubber
• Impedance: 4Ohm
• Voice coil: 2.6” (66mm)
• Fs: 35.2Hz