Sound Control 的主要功能就是控制音量，有了这款Sound Control for Mac，用户就可以独立控制某个软件的音量，在菜单栏操作即可。
[Sound Control 在官网售价10美元，约合人民币68元]
Sound Control allows users to use a software mixer volume. Sound Control allows users to change volume applications quickly and easily and selectively applying an equalizer entire audio system to the application. Sound Control makes adding a mixer software to the menu bar of your Mac. In addition to volume mixer, sound control also adds a software equalizer your audio output, allowing users to easily tailor the sound the audio from your Mac to your specific taste or properly calibrate the frequency response of your speakers.
Volume control by application, including the Silence
EQ entire system with 10 or 31 bands
Simple control by bar item menu or hotkeys
Add software and keyboard control to HDMI and other audio devices