-15″ subwoofer – cast frame – 2 x 1 ohm voicecoil – magnet weight 31,7 kg – 4″ voice coil diameter – driver displacement: 9.3 liter – recommended ported enclosure 85-170 liters ( NET ) – power handling 2000 W RMS – peak power handling 8000 watts – x-max: +- 22 mm – xmech: 100 mm – qts: 0,666 – Fs: 39,03 Hz – Vas: 52,97 liters – mounting depth 264 mm – cutout diameter 386 mm.