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The ultimate multimedia mixing engine for professional audio, video, and karaoke performance.

PCDJ DEX 3 is a robust, professional-grade multimedia mixing software designed for the demanding requirements of modern DJs, VJs, and KJs. Built on an ultra-low latency custom engine, DEX 3 supports 4-deck mixing for audio, music videos, and karaoke files (MP3+G, zipped MP3+G). In its 2026 iteration, the platform leverages advanced AI-driven stem separation, allowing performers to isolate vocals, drums, and instruments in real-time with high-fidelity output. The software integrates seamlessly with major streaming providers like Tidal, SoundCloud Go+, and Party Tyme Karaoke, ensuring a limitless library. Its technical architecture supports over 100 MIDI controllers natively and allows for custom XML mapping. The inclusion of an OpenGL-based video engine enables high-definition video transitions and on-screen text/branding, making it a critical tool for mobile entertainers and club installations. With support for VST effects and specialized karaoke features like singer rotation and history, DEX 3 remains a comprehensive, hardware-agnostic solution for professional live performance environments.
PCDJ DEX 3 is a robust, professional-grade multimedia mixing software designed for the demanding requirements of modern DJs, VJs, and KJs.
Explore all tools that specialize in separate audio stems. This domain focus ensures PCDJ DEX 3 delivers optimized results for this specific requirement.
Explore all tools that specialize in stem separation. This domain focus ensures PCDJ DEX 3 delivers optimized results for this specific requirement.
Uses machine learning algorithms to split tracks into Vocal, Melody, Bass, and Drums in real-time.
Custom-built audio engine supporting sub-5ms latency through ASIO and Core Audio drivers.
Includes a built-in singer rotation list, song history, and key control for MP3+G files.
Support for OpenGL MilkDrop and custom shaders for beat-aware video visualizations.
Sophisticated automix engine with beat-matching and fade-in/out logic.
Hardware-agnostic MIDI mapping system with XML export/import.
Allows simultaneous mixing of four high-definition video sources with hardware acceleration.
Verify system requirements: Windows 10/11 or macOS 10.15+
Download and run the DEX 3 installer from the official PCDJ website
Enter the license key to unlock full professional functionality
Configure Audio Settings: Select ASIO (Windows) or Core Audio (macOS) for low latency
Define Audio Routing: Map Master Output, Headphones/Monitor, and Record outputs
Import Media: Add local folders to the internal library or sync iTunes/Music libraries
Connect Hardware: Connect MIDI controller and select the corresponding map in preferences
Configure Video: Enable 'Video Mixing' and set the secondary display output for visuals/karaoke
Login to Streaming: Authenticate Tidal, SoundCloud, or Party Tyme accounts via OAuth
Calibrate AI Stems: Initialize the AI model for real-time track separation during playback
All Set
Ready to go
Verified feedback from other users.
"Users praise its stability and the fact that it handles audio, video, and karaoke in one package, though some find the UI slightly dated compared to Serato."
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