Small but very powerful application for saving your audio input/output. How much time you have connect you new audio device to macOS and system automatically choose new input/output device instead you? How much time during important conversion you trying to connect another mic and system automatically mute you? Thats Enough!!!! "Audio Lock" -- will allow you to set you input/output device once and doesn't matter how many devices you will connect(or disconnect) after. Also you will allow to change "saved" device any time. Features: * Launch on system startup * Save audio input as default between system launches * Save audio output as default between system launches * Auto choose previously saved input/output device on it connection.