Toggle Audio Han Lin

Toggle Audio switches the Windows default playback device between two outputs you choose (for example monitor speakers and a Bluetooth headphone transmitter), then exits. It is a native x64 executable with no runtime dependencies and no background process, made to sit behind a macro key in Logitech G HUB, Stream Deck, AutoHotkey or a Windows shortcut. A full toggle takes about 40 ms. It includes a small settings dialog to pick the two devices, a command line (list, get, set) with documented exit codes, and a console-free launcher executable for hotkeys.