What is the model of the stock radio on a 2001 Pontiac Grand Prix GTP SE?

I have a 2001 Pontiac Grand Prix GTP Special Edition and was wondering what the model number is on the stock radio? I am looking for information on this head-unit for possible stereo upgrade and installation of a Bluetooth kit. If you know any info off hand (wattage, additional inputs, etc) I wouldn't mind that either. Really need a model number so I can research this units specifications. Thanks !!!