Dolby Music Player HD Equaliser 3d Surround Audio Player. Equalizer with great sound. This MP3 player with bass boost, reverb effects, etc, built-in equalizer will enhance your music listening experience. Audio Player for All Type of Audio Formats. Not only an MP3 player, Music Player supports all music and audio formats including MP3, MIDI, WAV, FLAC, AAC, APE, etc.