DD Audio 3515H D4 ESP

-15? subwoofer - cast frame - 2 x 4 ohm voicecoil - 3? voice coil diameter - driver displacement: 7.9 liter - recommended ported enclosure 85-170 liters ( NET ) - power handling 1200 W RMS - peak power handling 4800 watts - x-max: +- 17 mm - xmech: 60 mm - qts: 0,6235 - Fs: 38,36 Hz - Vas: 70,225 liters - mounting depth 232 mm - cutout diameter 386 mm.