Deaf Bonce Apocalypse 18″ Woofer, 4500W RMS/9000W Max, Dual 2 Ohm Voice Coils

Impedance: 2+2 Ohm
RMS Power: 4500 W
MAX Power: 9000 W
Voice coil size: 4.50 inch
Cone: Carbon
Magnet: Ferrite
Surround: Foam
Frame: Aluminum

SPL: 89.00 dB
Fs: 29.40Hz
Qts: 0.34
BL: 28.00
Vas: 153.00 L
Xmeh: 45.00mm
Xmax: 22.50

Mounting depth: 12.87 inch (327.0 mm)
Cut-out dimension: 18.2 inch (462.3 mm)