GROUND ZERO GZCS SW-800A

Model: Active Subwoofer Box Diameter 20 cm / 8″ Amplifier Power (RMS/max.) 120 / 180 Watts Version Underseat mounting Frequency Response 30 – 150 Hz Low Pass Filter 45 – 150 Hz Phase Setting 0° / 180° Housing Cast aluminum Dimensions (W x L x H) 315 x 235 x 80 mm / 12.40″ x 9.37″ x 3.15″.