Pretty adventurous to be lifting the lid and converting amps yourself.
I'd price check step-down transformers in your destination country if you really want to take the Crowns with you.
For example: https://www.tortech.com.au/product/...onomy/economy-american-step-down-transformer/.
The Crown XLS' amps are fairly ubiquitous though... An alternative is to sell them before you leave and re-buy in the destination country. You'd have to weigh that up against the cost of transformers, any shipping costs for your amps and the hassle of buying/selling.