We have a deal for you today on Decibel, a Mac music player for audiophiles. It has a minimal interface, an optional 31-band equalizer, and it supports FLAC,Ogg Vorbis, Musepack, WavPack, Monkey’s Audio, Speex, True Audio, Apple Lossless, AAC, MP3, MOD, DSF, DSDIFF, WAVE and AIFF. That's about as close to "all music formats" as I've seen, and it makes Decibel a powerful music playback app for your Mac. Thanks to our friends at StackSocial, we have it for US$19.99. The regular price is $32.99. You can read more about it on the deal page.
Check It Out: Decibel Mac Music Player for Audiophiles for $19.99