The DJM-909 boasts awesome touch screen effects, fader effects and an Auto BPM Counter to offer DJs the best possible performance battle mixer. Using the integrated touch-sensitive screen, DJs can access 50 different BPM sync'd effects on each channel of the 909. The screen can also be used for quick access to 9 pre-selected effects, or to assign the fader effect function to the cross fader or either volume fader.