2. How to connect MR4 to pc?
In addition to balanced TRS input, MR4 also has two unbalanced RCA/AUX inputs and a front headphone output, which provide convenient connection to different devices simultaneously and switch to monitoring mode output to headphones.
RCA unbalanced port is used for connecting to audio devices with unbalanced output (nominal input level: -10dBV), such as personal music players, desktop computers, CD players, etc.
AUX port is a 3.5mm unbalanced input port used for connecting to computers, mobile phones, tablets, etc.