DSS DJ is a professional mp3 beat-mixing software including scratch, bend, spin, reverse play, brake, start, precise automatic bpm counter and automatic one-click beat-matching and synchronization, 2 decks with cue support, beat-aware loop engine, pitch, Master Tempo, 3 bands equalizer with kills, cut-off filter, DSP effects, eq faders, song preview, live recording, multichannel (WDM) soundcard support.