I got this question from this guy I'm going to take it's one of these younger bucks young guy but he actually came by with a pretty good question and it's a question I would expected to hear from an 18 year old type of fellow but anyway he asked and I'm going to tell you how to solve your question so basically what the question was about is he had something real simple like this here entry level you know pioneer CD Dec nothing too fancy like any other of these kind of radios has a standard radio with the four high level speaker level outputs for the front left and right rear left and right and it's only got this depressingly single rear RCA preamp output that I'm showing you right there okay now here's the problem he's got this unit and it's only got one set of rear preamp outputs he wants to add not one but two amplifiers he wants to add a 4 channel amplifier which is going to take 4 o