Ex-Demo Tech Notes This Behringer VQ1500D Active PA Subwoofer has a dent in the front grille which can be seen in the photographs section on this listing. It is otherwise in excellent working condition and sounds great! Bass that you can feel. The Behringer VQ1500D Active PA Subwoofer combines power and practicality for an unrivalled listening experience. Discover thumping low end from a specially designed 15″ woofer. This class-D amplifier may look compact but it packs a punch with 500W of output power. Youll be sure to get people moving to the beat. More of the sound you want. The VQ1500D gives you full tonal control with a high-pass filter and built in crossover network. The result is clear articulate audio no matter what the occasion. Whether youre in a club venue or event space this powerful subwoofer is always ready to get the party started. Built to last. The VQ1500D boasts a rugged enclosure that keeps your speakers protected everywhere. The result is a long lifespan with years of outstanding performance.