What is the type/model of audio system in the 2000 toyota tundra?

I would like to find out the type of audio system in the 2000 toyota tundra. Of the four types, i have type three, but is that model in any other types of cars? And if so, what? Also, i would like to see if there is any diagram of that audio system... i would like to plug an MP3 player directly into it, maybe run a cord from some port in the back, but i do not like the FM transmitter option, it does not have good quality.What is the type/model of audio system in the 2000 toyota tundra?The Mp3 player you trying to put in is probably and after market so you can google up the brand and check for wiring diagram and then just splice the wires of the deck into the harness wire of the vechile but first get the diagram of the both aftermarkets audio wrie diagram and the cars.