The Pioneer DJ OPUS-QUAD 4-Channel DJ System is a new professional all-in-one DJ system that puts you in control of the music, like the conductor of an orchestra. This system includes new and evolved features such as standalone 4-deck playback, support for multiple media sources to match different playing styles, and rapid and accurate track search – even from the biggest collections. The optimized deck configuration and new Smart Cue make it easy to use, while the high-quality pleasant sound enhances the audience’s experience. The zone output lets you play different music in different spaces, making this system perfect for any event or occasion.