'95 Avalon stock amp location?

I don't exactly were it is but here are a couple of places it might be located

1) could have seperate amps (tiny ones) on the speakers themselves

2) in your trunk near the rear speakers

3) behind and under the glove compartment

4) under either passenger or drive seat.

5) can also be behind the radio near the floor of the car.

What i would recommend though is to completely redo the speaker wiring. It takes longer but if the amp is located in a funky place, it will save some headaches