[Leggera]

For those who want an aftermarket navigation solution that plays video too

https://car-solutions.com/en/navigation-system-for-toyota-touch-2.php

Not sure how good that price is as I dont know what the options were on purchase (I got base spec)

These are inputs but you could buy a splitter to run into an amp too

https://car-solutions.com/en/car-aux-adapter-for-toyota.php