I have two Sony 9" portable DVD players...I want to play a DVD on one and send the picture and volume to the other. I have the cords that come with it - the audio/video outs...which are a little longer - and the other end has the yellow, red and white smaller tipped ends. I'm sure I need a converter to plug those into the second player - but the people at the nearest two Radio Shacks are clueless (as am I)

I'd love some help!! Thanks!!