By Hally | Last Updated
EQ (i.e. Equalizer) helps you optimize the audio playback for various kinds of music on your iPhone/iPad. And this article will illustrate how to turn it on or off for your convenience.
Step 1: Open Settings and click Music.
Step 2: Tap EQ to move on.
Step 3: Choose an option (e.g. Flat, Acoustic, Classical, Bass Booster, etc.) from the EQ list to turn it on.
By contrast, select Off in the EQ list to turn off EQ.
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