The Radial JPC DI has been designed to accept audio signals from laptops, phones, computers, tablets, DVD / CD players and provide a clean balanced output signal that can connect seamlessly into professional audio equipment. Excellent for live or studio applications. The JPC has RCA, 1/4 inch and a stereo 1/8 inch TRS input connectors. There are 2 x balanced male XLR outputs at mic-level. The Radial JPC Computer Direct Box has a ground lift button too.