What size speakers in a dodge ram 3500 2009 quad cab?

The 2009 Dodge Ram 3500 Quad Cab typically features 6x9 inch speakers in the front doors and 6.5 inch speakers in the rear doors. Depending on the audio system option, the vehicle may also have additional speakers in the dashboard or rear. It's always a good idea to confirm the specific configuration based on the trim level and any aftermarket modifications.