180 Watts max 8″ high quality flat active subwoofer with aluminum cast enclosure Flat under-seat enclosure with amplifier and 8″ subwoofer Incl. remote control 120/180 Watts amplifier Aluminum cast housing High level input Automatic turn-on function Low pass filter Phase correction Incl. wiring kit 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″