come collegare laserword EL230 rgb e EL 500rgb a rb dmx 1

Hello Alberto, 

Unfortunately, the Laser fixtures are not supported in the current version of rekordbox. Please see the FAQ from the link below.

https://rekordbox.com/en/support/faq/lighting-5/#faq-q500282

Also, you can find at the top of the rekordbox lighting request threads, you will be able to find below. 

https://forums.pioneerdj.com/hc/en-us/community/topics/115000046523-Lighting-Fixture-Request

• Some effect lights, lasers, fog machines, and all-in-one lighting systems, aren't supported.

Sorry for not meeting your expectation and thank you for your kind understanding. 

Pioneer DJ Support