If you play in a covers/pub/etc band, I can guarantee you that sadly, a soundman doesn't have all night to make sure the bass has perfect 'bass player' level of presence, put yourself in their position, anything from 0 to what? 400 punters who cant hear the vocals.
It's very rarely any punters come over to me and complain that they cant hear the top end on the bass guitar.
You can of course make a complete fool of yourself and turn up with a 2k basson or ampeg or something, rig, and be a twat, then you won't get put through the pa at all because you're so loud, louder than everything, and a bad bass player!
I personally as a bass player just take my EBS 12 and point it at my face for monitoring, and the fact i can feel myself rumbling around the room is comfort enough for me.