Behringer Eurolive VQ1500D SubwooferEUROLIVE VQ1500D Our EUROLIVE VQ1500D 500 Watt active subwoofer provides the ultimate in low frequency reproduction, and the built in stereo crossover makes it ideally suited for use with any of our active 2 way loudspeakers. Packed with a powerful 500 Watt Class D amplifier, 15" long excursion Low Frequency (LF) transducer and an incredible array of professional features, the VQ1500D produces extreme levels of low end punch, with the definition and