That’s an awesome gift! To get your son started with the Pioneer DDJ-FLX4, he’ll need software like rekordbox or Serato DJ Lite (both free). Speakers are necessary, preferably powered (active) speakers for direct connection. He can install the software on a Windows or Mac computer, and learn
www.nj-mvc.com mixing techniques through beginner tutorials on YouTube. DJing is all about blending tracks using EQ, effects, and transitions—he can access songs via streaming services like TIDAL, Beatport, and SoundCloud Go+