Audio Hijack is described as 'Capture any audio with precision. Compatible with macOS, Audio Hijack records from apps and devices, offers real-time monitoring, and customizable effects' and is a popular Audio Recorder in the audio & music category. There are more than 10 alternatives to Audio Hijack for a variety of platforms, including Windows, Mac, Linux, Android and iPhone apps. The best Audio Hijack alternative is Equalizer APO, which is both free and Open Source. Other great apps like Audio Hijack are VB-Audio VoiceMeeter, Wavacity, Sound Siphon and Echo Equalizer.
none of these actually work or work how they are adverstised do more research