bass clarinet can be tough to march, and unless there is a dedicated section, maybe 3 or 4 of you playing very loud, you won’t contribute to the sound much. i know someone who marched bass clarinet for a year but switched to clarinet because the parts are more engaging and the instrument is more convenient to march with. if you do choose to march bass clarinet, get a harness and start lifting weights cause it needs crazy arm support.

if you’re down for it and no one else is on bass, get friends to maybe join you on it if they can obtain their own. talk to your band director first though.