The Art of Sound. Introducing the OPUS-QUAD professional all-in-one DJ system that combines standalone 4-deck playback with a stunning design concept. Discover more: https://bit.ly/3SM7yGP • First-ever Pioneer DJ standalone 4-deck playback for versatile DJ performances • Support for multiple media sources to match different playing styles • 10.1-inch multi-touch screen for rapid and accurate track search • Optimized deck configuration and new Smart Cue • 32-bit ESS D/A converter for high-quality