the first unit is a intergrated amplifier ka 893 with inputs for phono, cd ,turner, video(aux) tape1 and tape2 in the back of the unit there are red and white inputs the next unit is a 7 band dual graphic equalizer ge292 with red and white in - out inputs and the last unit is theam - fm stereo tuner kt 593with 1 red and 1 white input so what go in to what input and output there is also there outlet sockets and three outlet sockets in the back of each unit where do they go