Active Subwoofer enclosure with integrated Class D Amplifier Small dimensions: 340 x 71/79 x 225 mm, therefor easiest mounting,e.g. even under the front seats Digital Amplifier with high power output, 150 Watts RMS and 300 Watts Max.Power 200mm, 8 Subwoofer with Aluminium Compound Membran Perfectly matching subwoofer with high rated and peak power handling Easiest connection only 12 volts and ground the signal from the speakers or pre amplifier required Automatic power on via high level or RCA and Cinch input no remote signal required Housing material: aluminum die-cast/fiberglass reinforced ABS EPC compatible, easy connection via optional cable for power, ground and speaker signal (Easy Power Connection EPC).