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# Linux aumix Command [ Linux Command Manual](#) The Linux aumix command is used to set audio devices. The aumix (audio mixer) command sets the signal strength of various audio devices and specifies playback and recording devices. ### Syntax aumix [(+/-)strength] **Parameter Description**: are channel parameters used to specify the device channel; can be used to specify playback or recording devices; are command parameters. If no parameters are added, aumix will display a simple graphical interface for adjusting channel parameters. * -1 Input signal line 1. * -2 Input signal line 2. * -3 Input signal line 3. * -b Bass. * -c CD. * -i Input signal strength. * -m Microphone. * -o Output signal strength. * -p PC speaker. * -r Recording. * -s Synthesizer. * -t Treble. * -v Master volume. * -w PCM. * -W PCM2. * -x Mixer. * (+/-)strength When (+/-) appears, it means adding or subtracting the specified value from the original strength. If (+/-) is not used, the strength is set directly to the specified value. Specify Audio Device * P Specify playback device. * q Display channel settings. * R Specify recording device. **Command Parameters**: * -d Specify the name of the audio device. * -f Specify the file to store or load settings. * -h Display information when in use. * -I Execute aumix in graphical interface mode. * -L Load settings from $HOME/.aumixrc or /etc/aumixrc. * -q Display the settings of all channels. * -S Save settings to /HOME/.aumixrc. ### Example Set audio device # aumix [ Linux Command Manual](#)