Billed as an alternative to traditional woofer, enclosure and amp combos, Harman International’s Infinity BassLink DC compact powered subwoofer system is engineered to pack powerful sound in a design that’s small enough to be removed should cargo space be needed. The integrated subwoofer system features a 10-inch driver, 10-inch passive radiator, 200-watt RMS Class D amplifier, and a precision compressor to control system behavior at peak power levels. It has an easy-to-install design with quick-disconnects and quick-release connections, and comes with a 180-degree phase switch, input sensitivity and variable bass EQ options The glass-reinforced ABS enclosure is water-resistant, making it additionally suitable for marine and off-road vehicles. Suggested retail is $399.