IndustryStandard
There are a few benefits and it depends if you’re after them.
Effects work tighter (they are exactly quantised rather than guessing the bpm). Mojaxx showed me the difference when playing with him recently and it was better.
Then the decks light up Red on the live channel as the mixer is also on the switch.
It also allows you to add decks 3 and 4.
I asked chat GPT to list them all as I wasn’t confident of an exhaustive list coming out of my noodle.
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💻 1. Laptop / rekordbox Integration
• Lets you connect your laptop running rekordbox over Ethernet or Wi-Fi.
• You can browse, load, and analyze tracks directly from rekordbox (Performance or Export mode) on the CDJs.
• You can even drag and drop tracks from rekordbox onto the CDJs wirelessly if your laptop is on the same router network.
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📡 2. Future-Proof & Wireless Options (if adding wifi)
• You can connect tablets or phones to the same network — great for wireless library control with the rekordbox mobile app.
• Makes it easy to add or swap devices (e.g., another CDJ, RMX, or laptop) without unplugging cables mid-set.
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⚡ 3. Faster Track Loading & Metadata Sync
• A good gigabit router allows faster communication between players and mixer.
• Beat grids, waveforms, hot cues, and playlists sync more smoothly and instantly across all devices.
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🔄 4. Automatic Tempo Sync & Quantize Accuracy
• Pro DJ Link timing data flows more accurately with a router managing traffic.
• You get tighter sync and quantize timing, which is essential for effects, loops, and beat FX alignment on the DJM-900NXS2.
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🎧 5. Easier Setup Expansion
• Adding a third or fourth CDJ, or other network devices (like a DJS-1000 sampler, RMX-1000, or Pioneer V10 mixer) becomes plug-and-play.
• Just connect extra Ethernet cables to the router — no re-cabling mess.
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🧠 6. Improved rekordbox Library Sharing
• You can plug in one USB stick and all players see the same library instantly.
• Perfect for B2B sets or when switching DJs — everyone can access the same music source without swapping USBs.
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🧩 7. Compatibility with Show Control Systems
• Professional routers can integrate with lighting or video systems (e.g., Resolume, SoundSwitch, TCNet) via Pro DJ Link Bridge or Ableton Link.
• This allows your DJ performance to sync with visuals, lights, or even timecode software.
