Most people are happy with the ability to play music on their iPhone without dealing with bothersome obstacles or problems. However, some people are pure audio fanatics who appreciate the ways they can modify how their iPhone plays audio files:
Shake to Shuffle Lets you choose the shuffle command just by shaking your iPhone
Sound Check Lets you play songs recorded at different volume levels at nearly identical volume
EQ Lets you define equalizer settings to adjust the different sounds in an audio file
Volume Limit Lets you define a maximum volume limit for playing any audio files, keeping you or someone else from playing songs too loud and risking hearing loss
To modify one or more of these audio settings, do this:
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