The Mackie Studio Bundle is one of the most comprehensive music production bundles available on the market. The bundle includes; a pair or CR3-X Studio Monitor speakers, a Big Knob Studio Interface and Controller, a dynamic and condenser microphone. Finally, all this can be monitored with the included closed-back headphones.The MC-100 Headphones provide an accurate sonic response that is perfect for a variety of applications. Whether you are a music producer, sound designer, or audio engineer, these headphones are responsive as they are robust.The EM-89D is a dynamic microphone perfect for vocal or and instrument recording in various environments. When perfectly treated studios are not always available, you will need a microphone that can mitigate that and still capture professional-quality audio. If you are looking for a microphone that can also handle live vocal performance environments, this can also handle that.The EM-91C is for when you need pristine quality. The EM-91C is best used in a treated environment. However, the noise-floor is sufficient enough for use among content creators and podcasters that want sonic clarity out of the box.Connect everything to the Mackie Big Knob Studio controller - including the speakers, microphones, and headphones. Then connect via USB to your computer for quick installation.