Your ears are very important, especially for EDM fans who like to frequent loud clubs and festivals. If you want to continue getting the most out of your favourite moments at EDM events then it's extremely important to wear some form of ear plugs. AsapSCIENCE has posted a great hearing test video on Youtube to test the age of your ears, check it out:
If you didn't hear a lot of the frequencies within this video, then I'd highly suggest that you consult a hearing doctor AND buying some proper ear plugs for your next event. Let's continue to enjoy this music that we love for as long as we can and helping to protect our ears will ensure that.
Just in case you are shopping for some ear plugs, I heard these guys make good ones: