Speakers size

[Triathlete]

Fronts are 5.25 but many have fit 6.5's. The biggest obstacle is depth...you need a fairly shallow speaker up front.
The rears are 4 inch. You can remove the bracket and rework it though to fit larger speakers.

[tom4bren]

Fronts are 5.25 but many have fit 6.5's. The biggest obstacle is depth...you need a fairly shallow speaker up front.
The rears are 4 inch. You can remove the bracket and rework it though to fit larger speakers.

GTK

My daughter bought me replacement speakers for the VX. I was shocked that they were 4" when they arrived. Now I know

[JMNY]

Polk Audio DB651 6.5-Inch Coaxial Speakers
Amazon 57.77 free shipping!
According to everything I have read they will fit. I will let everyone know. Took mine out and they are cracked and done.

Waiting for more info from some members before i get rears. Thx.