The multi-media player in Sony NWZ-S543B walkman supports latest audio formats for both audio and video including MP3, AAC-LC, WMA (DRM) and L-PCM for music, and H264/AVC, MPEG-4, WMV for video and is equipped with built-in 5 band equalizer with presets (Heavy/Pop/Jazz/Unique/Custom1/Custom2) and customizable options for enhanced music playback.