Hi and thanks for watching. You'll need two XLR cables one go's from microphone to the blue box and one from the blue box to your amplifier/ PA system. Then if your also playing guitar with it you'll also need two quarter inch jack cables. One go's from guitar to the blue box and the other from blue box to your amplifier/ PA system. Hope this helps. The two XLR cables Jack's are located on the back of the unit and the quarter inch jacks are located at the sides.