With the OPUS-QUAD, Pioneer DJ presents a new concept that combines contemporary and stylish design with playability. Flawless sound at the highest level is provided by ESS Technology's high-quality 32-bit D/A wanders, which are also used in the Pioneer DJ - DJM-A9. The OPUS-QUAD enables 4-deck DJ performance via rekordbox, where each deck layer can be assigned its own color for the sake of clarity . From the summer of 2023 , the OPUS-QUAD will also be unlocked for Serato DJ Pro. End devices such as turntables or CD players can be integrated via the analog inputs and a Bluetooth™ device can be paired with the OPUS-QUAD via the integrated wireless connectivity. For the use of USBsticks or USB hard drives, the OPUS-QUAD provides users with three USB Type A inputs. Each deck has a display that shows all important song information and performance activities for the currently loaded track. The new user interface makes it easy to find tracks in no time, even in the largest collections, via a 10.1-inch touchscreen. The Playlist Bank option provides quick navigation between created playlists. Touch Preview plays a preview of the selected track, and the new Smart Rotary Selector provides intuitive rotation and push control . Another nice feature is the option to use the zone output to play a different area with completely different music than the master output, which is great for areas where people want to entertain themselves despite the music.