Model SPL Subwoofer Box Diameter 2x 30 cm / 2x 12″ Power Handling (RMS/SPL.) 1000 / 2000 Watts Net Volume 90 L / 3.18″ Subwoofer 2x GZIW 12XSPL-D2 Dimensions (B x H x T1/T2) 840 x 400 x 430/310 mm / 33.07″ x 15.75″ x 16.93″/12.20″.