So in the flashbacks to Cybertron before the war, they show Soundwave. He is depicted as bulkier. Those were his cassettes.
Those were his cassettes.
THOSE WERE HIS CASSETTES.
He lost them in the war, and so is thinner.
Look, he didnt lose them in the war, what had happened was, hes hiding them somewhere safe and warm with an endless supply of energon and good, wholesome, fun things for unaccompanied cassettes to do. Thats my story and I sticking with it