adjust equalizer on iphone

How to adjust Equalizer on iPhone and iPad
apple's music app has built-in equalizer on iphone and ipad. you can use these eq settings whether you're an apple music subscriber, buying songs from itunes or listening to music files manually.
Listen to better music on your iPhone / iPad by adjusting the music tone
the following article will show you how to listen to better music on your iphone / ipad by adjusting the music tone.