djay Pro 5.6.10 (macOS)

A DJ sets up four decks of tracks, separates vocals from the instrumental in real time, and sends the mix to a RANE System One controller. djay Pro 5.6.9 on an M2 Mac mini handles it without a hitch.

• Four-deck mixing with real-time stem separation (vocals, drums, bass, instrumental).
• More than 40 built-in audio effects and support for over 100 MIDI controllers.
• RANE System One integration with native display support — added in 5.6.9.
• MIDI actions now let you change beat jump duration, also new in this version.
• Ableton Link support for syncing with other Ableton devices.
• Improved media library playlist presentation on CDJs.

The core workflow stays the same: load tracks, cue them on four decks, apply effects, and mix live. Version 5.6.9 adds specific hardware control rather than overhauling the interface. Runs on Intel and Apple Silicon Macs with macOS 10.15 or later.

What a mobile DJ actually does with it

A wedding DJ texts me mid-set: "Can you separate the bass from a 1994 club mix I just found on vinyl rip?" djay Pro's Neural Mix does it in real time. No pre-processing, no stem files to store. The DJ pulls the track into a deck, hits the vocal/bass/instrumental toggle, and sends the isolated bass to the subwoofer channel through a RANE controller. The four-deck layout means the next track is already cued on deck 3 while deck 1 is playing. On a MacBook Air with an ARM chip, the app keeps the waveform redraw smooth even with video mixing running on deck 4.

I have seen a college radio presenter use the automix mode for a two-hour pre-recorded show. She drops forty tracks into the playlist, sets transition length and crossfade curve, and lets djay Pro pick the cue points. The sequencer lays a metronome beat underneath if the spoken segments need a bed. For her, it replaces a separate broadcast automation tool.

Three common install and cueing snags

Three issues come up often in the school's music tech suite and from local DJs I help out.

Gatekeeper fix for unsigned apps

macOS 10.15 and later flag unsigned apps. Mount the disk image, run the Open Gatekeeper friendly command from the included installer, and press Enter in the Terminal window. Then drag the app into the Applications folder. If the app still refuses to launch, disable SIP from the Recovery menu. On Apple Silicon Macs you may also need to allow the app in Security & Privacy under General > Allow apps from anywhere.

Stem separation works on some tracks but not others

Neural Mix is real-time and per-track. A poorly encoded MP3 or a very dense mix can confuse the algorithm. Swap the source file for a higher-bitrate version — 320 kbps or FLAC, if available. djay Pro handles WAV and AIFF natively. If the track is a live recording with crowd noise, the separation will include that noise in all four stems, which is normal.

MIDI controller not recognised

The app lists over 100 supported controllers, but some third-party mappings need a MIDI learn step. Go into the MIDI controller settings and assign beat jump, cue point, and deck actions manually. The 5.6.9 update added a MIDI action for beat jump duration, which helps if your controller has an encoder knob that you want to map to jump length. If the controller uses a proprietary USB protocol rather than class-compliant MIDI, it will not appear. Use a class-compliant device or a MIDI USB host box.

Four-deck advantage over competitors

Mixxx (free, open-source)

Mixxx does four decks, key detection, and beatgrids. It lacks Neural Mix stem separation entirely. You can pre-process stems in external software and load them as separate tracks, but that kills the real-time workflow. Mixxx also has no video mixing and no RANE or CDJ-native display support. Its MIDI mapping is solid but covers fewer controllers out of the box. For a DJ who only plays digital files and does not need stem separation, Mixxx is a capable alternative. For anyone who wants to pull apart a track mid-set, djay Pro is the only one that does it live.

Serato DJ Pro (commercial)

Serato DJ Pro is the industry standard in clubs. Serato does not support four-deck mixing natively on the same screen — you flip between two decks or use an external hardware layout. It also has no built-in sequencer for beat beds and no automix mode. The controller support is extensive, but RANE System One integration is not there. djay Pro gives you the same hardware integration without needing extra plugins.

Virtual DJ (commercial)

Virtual DJ has stem separation, video mixing, and a large effects library. Its interface is busier, and the automix mode is less flexible. Virtual DJ's real-time stem separation works well but uses more CPU on older Macs. djay Pro uses Neural Mix which is optimised for Apple Silicon and Intel, and the four-deck layout is clearer for live work. Virtual DJ includes a sampler and a basic sequencer, but djay Pro's sequencer is designed for beat layering over a playing track rather than standalone pattern creation. For controller users, both apps support RANE and Pioneer gear, but djay Pro 5.6.9 added native display support for RANE System One, which Virtual DJ does not match.

Mobile DJs with MacBook and controller

Mobile DJs who carry a MacBook and a controller to weddings, parties, or corporate gigs benefit most. The four decks mean you can have the current track on deck 1, the next track cued on deck 2, an instrumental loop on deck 3, and a microphone feed or a video on deck 4. Real-time stem separation saves you from preparing stems before the event. If a guest requests a track you have never mixed, you can drop it in and separate the vocal in seconds.

Radio producers and podcasters who want to layer music under speech will use the sequencer and automix mode more than the decks. The looper with 48 loops per track lets you create a custom bed from any song section without editing the file externally.

Video DJs who mix music videos alongside audio tracks get a single interface for both. The video mixing supports standard formats, and the waveform display shows both the audio waveform and the video timeline on the same deck. No need to sync two separate apps.

Teachers in music technology classrooms appreciate the hardware integration. A class set of MIDI controllers works with one app, and the Neural Mix lets students experiment with remixing by isolating the parts they want to study. The automix mode is useful for demonstration sets where the teacher wants to show DJ workflow without live mixing pressure.

• Added RANE System One integration with native display support.
• Added MIDI actions to change beat jump duration.
• Improved media library playlist presentation on CDJs.

• macOS 10.15 or later
• Intel or Apple Silicon processor