Used Tascam US-144MKII Analog Recording Interface.
The Tascam US-144MKII High-Speed USB 20 Computer Audio Interface offers a maximum of 96kHz per 24-bit of audio resolution so that it can produce clear, high-definition audio. This audio interface model also includes two XLR microphone inputs with phantom power as well as a switchable analog line input that you can use when you connect your instrument. Separate level controls are used for the mono switch, headphones, line outputs, and more. It comes with two analog and two digital outputs so that you can create 4-channel recordings on your computer no matter if it is a Mac or Windows system.