Tap Settings and scroll down to select Music. Since Apple Music is baked into iOS, the settings to change EQ for your Apple Music playback (or just standard iTunes playback) is found in the Settings app. So yes, adjusting EQ might be able to improve the sound coming out of your inexpensive or low-end speakers. The presets adjust frequencies in sound that affect properties like treble and bass, and optimize them for your listening preferences and environment. There’s no true way to have the perfect EQ settings because everyone’s taste is different, but you can use the settings for either Apple Music or Spotify to customize sound to your liking. Adjusting the EQ can improve your speaker’s sound | Frank Gaertner / Shutterstock If you’re not happy with the sound being delivered out of your built-in speakers or even through headphones or a third-party speaker, you can alter it using EQ settings. EQ, or equalizer, settings are a very overlooked feature of the iPhone.