pavucontrol
PulseAudio Volume Control
PulseAudio Volume Control (pavucontrol) is a simple GTK based volume control tool ("mixer") for the PulseAudio sound server. In contrast to classic mixer tools this one allows you to control both the volume of hardware devices and of each playback stream separately.
There is no official package available for openSUSE Leap 15.4Distributions
openSUSE Tumbleweed
openSUSE Leap 15.4
SUSE SLE-15-SP1
Fedora Rawhide (unstable)
Unsupported distributions
The following distributions are not officially supported. Use these packages at your own risk.