The equalizer (EQ) on your iPhone is a powerful, often underutilized feature that lets you fine-tune audio output. Whether you're unhappy with sound from built-in speakers, headphones, or external devices, EQ adjustments can elevate your listening experience to match your preferences.
No single 'perfect' EQ exists since tastes vary, but Apple Music and Spotify offer presets and custom options to optimize frequencies like bass and treble for your environment and genres. Even budget speakers benefit from these tweaks.
Apple Music's EQ is integrated into iOS, so access it via the Settings app for system-wide playback control (including iTunes).
Open Settings, scroll to Music, then tap EQ below Sound Check.
Unlike Spotify, Apple limits you to presets—no manual sliders on iPhone (desktop iTunes allows per-song customization). Presets tailor sound by genre and style. EQ is off by default; options include:
In the Spotify app, tap the Your Library icon (bottom right on iPhone). Go to Settings and privacy > Playback > Equalizer.
Spotify mirrors most iOS presets (minus Late Night) but adds a fully customizable graphic EQ.
Key frequencies: Lower ones (60Hz, 150Hz) control bass—slide up for punchier lows, down to tame. Higher ones (2.4kHz, 15kHz) handle treble.
For custom tweaks, play a go-to song and adjust sliders live until it sounds ideal.
Related Reading: How to experience Hi-Fi audio on your mobile device
