12″ vented SQ loaded enclosure Subwoofer GZUW 12SQ-D2 Resonance-free aluminum cast basket 2″ copper voice coil High quality vented enclosure Airflow optimized ventilation tube Solid enclosure from MDF GZ Push terminal Power handling 600 Watts RMS Impedance 2×2 Ohm Xmax 20mm (p2p) Net volume 42 Liter Tuning frequenzy 31 Hz Roll-off frequenzy 326Hz Ventilation port 1x7cm Port lenght 24cm Dimensions (w x h x d) 520 x 380 x 358mm Backwall angle 76°.