FOUR 4-AI12 SLOT

Ported enclosure for 12″ subwoofer
Net volume: 80 liters
Port area: 200 cm2
Port height: 40 cm
Port width: 5 cm
Port length: 40 cm
Tuning frequency: 38 Hz
Measurements ( W x H x D ): 800 x 405 x 440 mm
Diameter of speaker hole: 294 mm.