Sound sample recorded with Shure SM58. The interface applies gain and tone effects whilst recording. The Shure MVX2U is a great USB audio interface option for the on-the-go podcaster. It’s tiny and lightweight, ideal for running your XLR mic as if it were USB, or even setups like plugging an XLR into your phone.
With so many potential sources that use the USB standard, there are many standard regulators and DC-DC converters designed to use USB to provide 5V and 3.3V to breadboard circuits. Being aimed at small projects and breadboards, they have 0.1” pin spacing, making them easy to connect to. Some are even built to span a normal breadboard and
Plug the Aux to RCA splitter cable into the Aux port of your stereo system. Plug the RCA cables into the RCA end of the RCA to USB cable. Plug the USB cable into the device you want connected to the car stereo (such as an MP3 player).
Connect your microphone to the headphone/mic jack. Use a USB microphone or a USB soundcard with the mic connected. Connect your XLR mic to your PC's audio interface with an adapter. Employ your mobile phone as a microphone using an app. Keep things simple and wire-free using a Bluetooth mic with your computer.