-15″ subwoofer – cast frame – 2 x 0.5 ohm voicecoil – magnet weight 31,7 kg – 4″ voice coil diameter – driver displacement: 8,8 liter – recommended ported enclosure 50-80 liters ( NET ) – power handling 2500 W RMS – peak power handling 10 000 watts – x-max: +- 22 mm – xmech: 100 mm – qts: 0,466 – Fs: 37,01 Hz – Vas: 26,16 liters – mounting depth 247 mm – cutout diameter 310 mm.