SAM Party DJ is a professional DJ system. Dual player decks - queue up the next song while the current song is playing. It includes Cross fader, gap killer, beat matching and volume normalization. VoiceFX and SoundFX modules allow you to talk or play sound effects over music. Detect beats to better match them when mixing, control intros, stop points, and fades, pre-record announcements with voice tracking, and preview or loop tracks before you play.