Basskit DD 712d

DD Audio 712d - 12″ subwoofer - 3″ voice coil wound of Made in USA wire - 2x 2 ohms - alucast frame with DD logos - power handling 1200 W RMS, 3600 W Peak - weight: 17,3 kgs - mounting diameter: 289 mm - mounting depth: 218 mm - x-mech: 80 mm - x-max: +- 14 mm - fs: 28,26 Hz - qts: 0,4341 - vas: 39,64 litraa - recommended ported enclosure: 49-78 liter ( NET ) - recommended sealed enclosure: N/A. FOUR Audio 4-AI212SLOT Ported enclosure for 2x12″ subwoofer Net volume: 2x40 liters. Port area: 350 cm2 Port height: 350mm Port width: 100mm Tuning frequency: 38 Hz Diameter of speaker hole: 285mm Measurements ( W x H x D ): 930 x 380 x 400.