-18″ subwoofer – cast frame – 2 x 1 ohm voicecoil – 3.35″ voice coil diameter – driver displacement: 7 liter – recommended ported enclosure 140-170 liters ( NET ) – power handling 2000 W RMS – peak power handling 8000 watts – x-max: +- 22 mm – xmech: 100 mm – qts: 0,667 – Fs: 36,34 Hz – Vas: 106,018 liters – mounting depth 271 mm – cutout diameter 429 mm.