A free app for Android, by NewRTeam.

CiWi Music Player – Equalizer is the most complete and powerful music player for Android.

With this app, you can listen to all your favorite audio formats and manage all of your music at once. It is extremely easy to use and is very intuitive. It has a beautiful, clean interface and you can easily change the music volume and add songs to your playlist. It also has a built-in equalizer with dozens of settings. You can easily set the sound to your favorite tone and adjust the sound to get the best experience.

CiWi Music Player – Equalizer supports a wide range of formats. You can play all popular audio formats like MP3, OGG, APE, WAV, FLAC, etc.