An equalizer (or equalizer) is a filter that adjusts the volume of certain audio frequencies when you listen to music. Some equalizers will boost bass, while others will reduce bass and boost the high end. Different equalizer settings will work better or worse on different types of music.
The music you listen to is normally edited so that it will sound good on a wide variety of different sound systems, whether played on a low quality radio connection or on a lossless CD player . But as the old cliché: jack of all trades, master of none.
Some people like to use the custom EQ settings (whether it's a preset or a custom setting), so that the music you like to listen sounds like you want on the equipment you use. Although Spotify does not have the most advanced controls, it is still possible to configure a custom equalizer in the mobile application. Here's how.
On an iPhone
If you are on an iPhone, open Spotify and go to the Your Library tab. Tap the gear icon in the upper right corner, and select Play.
Next, select Equalizer and make sure the switch is on.
The numbers under the graph each correspond to a certain range of audio frequencies. In the case of Spotify, 60Hz to 150Hz corresponds to the low, 400Hz to 1KHz, midrange and 2.4KHz to 15kHz to treble. You can change the sound of each frequency group relative to other groups by dragging one of the points in the graph up or down.
The best way to get an idea is to put one of your favorite songs and play with it. Some pretty extreme combinations like the one I have in the right screenshot below will look pretty weird.
If you do not want to go wrong with your own equalizer settings, or if you just want to keep things simple, you can also select one of the Spotify presets. These are named after their function (eg Bass Booster or Bass Reducer) or the type of music for which they work best (eg Rock or Classic). Just press a preset to apply it.
You can also change any preset to suit your setup.
On Android, open Spotify and tap the gear icon in the upper right corner. Scroll down and select Equalizer.
It's up to each android manufacturer to install its own equalizer, which Spotify then uses. Below you can see the equalizers of the Motorola and Samsung versions of Android.
Each of these EQs will work slightly differently, but does pretty much the same thing. Play with them until you get the sound you want. If you do not see the option to use an equalizer, it means that your manufacturer has not activated one.
Although you do not need an equalizer, if you really want your music to sound good, it is worth exploring. I know that the headphones that I use ( Apple's Earbuds Beats X ) tend to overemphasize the bass. By reminding him a bit in the Spotify equalizer, I get a more natural sound.