This new 2-channel battle mixer gives you the freedom to customize your setup and bring your own unique style to every performance. The unit enables free use of Serato DJ Pro and it�s a Hardware Unlock device for rekordbox, so you can use performance features in either application.This new 2-channel battle mixer gives you the freedom to customize your setup and bring your own unique style to each performance. The unit enables free use of Serato DJ Pro and is a hardware unlock device for rekordbox, so you can use the performance features in any application..PZA MORE SPECS