The SF2 filetype is used for a number of music samples that can be played in the MIDI format.
The SF2 file extension is also used to save custom instruments and is supported by SoundBlaster and Emu sound cards.
.sf2 File
Extension
Developer:
E-mu Systems
File category:
What are sf2 files & how to open them - Creative Labs Soundfont 2.0 Bank File
File category:
Developer:
E-mu Systems