DD Audio Redline 815d D1

- 15″ subwoofer - 4″ voice coil - 2x 1 ohms - power handling 3000 W RMS - power handling 6000 W Peak - linear x-max +- 20 mm - x-mech 95 mm - fs 31.756 Hz - qts 0.468 - vas 64.264 liters - sensitivity 87.8 dB/1W/1m - mounting diameter 350 mm - mounting depth 255 mm - Vd 10,71 liters.