-12″ subwoofer – 2 x 1 ohm voicecoil – 3″ voice coil diameter – recommended ported enclosure 60-100 liters ( NET ) – recommended sealed enclosure 25-45 liters ( NET ) – power handling 3 000 W RMS – effective x-max: 80 mm – qts: 0,61 – Fs: 35,6 Hz – Vas: 13,59 liters – sensitivity: 87 dB – mounting depth 250 mm – cutout diameter 282 mm.