what size speakers are in the 2004 Chevy Avalanche
the speakers in the dash are 4x6s, the speakers in the doors are 6.75in. and the back speakers are 6x9's
4x6 in the dash and 6x9 in the rear
i just recently put new door speakers in a 2000 Chevy blazer. They are 6 and 1/2 in all four doors.
6 3/4" speakers front and rear in a four door 2004 Chevy Colorado.
Front Door Speakers are 6-1/2"
The speaker size for a 2004 Chevy Trailblazer is 6 1/2 inches. This includes the front, door, and rear speakers.