Technical specs and contents:

• 1 e/a 12” Cast Carbon Fiber Subwoofer
• Frequency response 10Hz-400Hz
• Power handling: 300WRMS (600Watt Pk).
• Impedance 4 Ohm
• Sensitivity: 90.6dB
• Mounting depth: 5.71”
• Cutout diameter:10.98”
• Cast frame: OD 12.28”
• Cone: Carbon Fiber
• Magnet weight: 80 Oz (2X40)
• Cone surround: NB rubber
• Impedance: 2X2 Ohm
• Voice coil: 1.95” (49.55mm)
• Fs: 36.1Hz