This software lets you record audio from any application, including Skype calls, Safari browser streams, etc. It's also possible to save audio from hardware devices like microphones and mixers. You may even capture all of the audio on your Mac simultaneously. Audio Hijack can record whatever you can hear.
There is an incredible array of streaming audio on the web, and Audio Hijack will help you save it for offline listening. You can record to the world's most popular audio formats, including MP3 and AAC, or save in perfect-fidelity AIFF, WAV, ALAC, or FLAC.
Record audio from microphones, mixers, and other input devices
Capture All System Audio
Capture conversations from Skype, FaceTime, Google Talk, or any other VoIP service
Customizable source and recording options
Adjust and Re-route Audio
Record to All Major Formats
Pause, delay, and rewind live audio
MacOS 10.14.1 or later