Just simply registering on the RadioSparx homepage immediately activates the Free Trial for you. If you click on Account at the top right of the site, at the top of the Account Menu you will see the current status indicates that the Free Trial is activated, and it also shows you how many days are remaining in the Free Trial period.
With the Free Trial period, you can try out – Custom Ads – Custom Schedules – Custom Stations and you can listen to any and all of the stations. Enjoy the music!