The white DVA S09 DPW Active Subwoofer from dB Technologies is equipped with a DIGIPRO 1000 W amplifier. This Class-D high-efficiency amplifier delivers high-output power in a compact size and low weight. This speaker is designed to function in stereo and in mono modes. It is possible to set crossover frequency (90 or 120 Hz) and turning of phase (0 or 180°). The output signals can be linked or controlled by a X-OVER circuit. It is made of birch wood and is designed for medium-sized rooms.