Suamp - is an audio media player that can also do audio only playback from youtube.

Current version:
+ Supported formats: * .ape; * .mpga; * .mp3; * .wav; * .ogg; * .umx; * .mod; * .mo3; * .it; * .s3m; * .mtm; * .xm; * .aac; * .flac; * .mp4; * .m4a; * .m4b; * .mpc; * .wv; * .opus; * .dff; * .dsf; * .tta;
+ 6 band equalizer
+ up to 200% sound amplification
+ reverb audio effect
+ speed audio effect
+ album art support
+ ability to have multiple playlist manage them or join
+ ability to play audio only youtube files
+ ability to search media from youtube
+ ability to import private youtube playlists
+ ability to import / search public youtube playlists

+ Ability to repeat current playlist / Repeat song
+ Ability to shuffle audio files from playlist
+ A2DP and Headsets control support
+ Android Wear support
+ Notification bar support
+ Ability to preview songs while searching
+ Voice input
+ Equalizer Presets