.UMX

.UMX file extension

This is the basic program to work with .UMX extension

AIMP

AIMP AIMP UMX File

Is a powerful free audio player for Windows and Linux (through Wine) that supports for local files, NAS, clouds and podcasts. Additionally, it includes powerful tools to operate with audio files. Has an ability to display data at one or two line for each track... (more)

The program works with the following extensions: mp3, wma, wv, it, xm, mod, mpc, mp2, rmi, mtm, wav, s3m, aac, mo3, kar, plc, umx, pls, cue, aif, mp1, cda, ogg, m3u, mid, ape, acs2, m3u8, flac and aiff

.UMX extension is also supported by the following programs:

jetAudio

jetAudio

JetAudio Basic is a video and music player but it also can burn CD's,record,etc.
Spider Player

Spider Player Spider Player audio file (UMX)

Spider Player can process sound with double precision internally.