Dual Microphone Interface: The sound card has 2 microphone input interfaces, both of which support MIC(XLR)/LINE(TRS) input for connecting microphones or gidital musical instruments, providing excellent recording quality, dynamic response and rich low frequency.
"RCA input and outpu,This product provides RCA input and output interface, you can use it to choose more input and output sources, such as input accompaniment. It also provides volume balance adjustment for input accompaniment and microphone, as well as internal recording function . "
Easy to Use. The product doesn't need to install complicated drivers, and the product can be used directly by connecting the supporting USB to the product and computer.