The 4-channel DJM-A9 raises the bar for club-standard mixers, boasting huge improvements over its predecessor, the DJM-900NXS2, with crystal-clear sound quality, improved playability and connectivity, and a host of new features that will help you take your performances to the next level. The DJM-A9 has also been improved as a musical instrument, enabling more exciting and dynamic performances, while retaining the features and layout that have become the club standard.