I used a regular dolly… you know… carpeted on two sides with four casters. I covered the whole thing with padding and felt. You can lower your speakers gently on them and roll away…!
https://www.instagram.com/tv/CV6hgvklm57/?igsh=aWs3N3FwcTViZ3R0
https://www.instagram.com/tv/CWBuysRjalR/?igsh=MWk4cjdtM2Vhb3dvMA==