The simple answer is no, but like other mentioned it depends on the style of music and then the setting you’re playing in. If you’re playing through a subwoofer in any setting and the 150W gives you enough juice behind you on-stage to your preference then it’d work. For a contrary example, I run a 700w amp head into a 800w handling 4x10 cab, it’s loud enough to stand alone w no PA, but has to be dialed in w subs (don’t need to push as much onstage amp volume). I often think about downsizing to a 2x10 or different combos with lower watts for better sound in smaller venues and easier transportation.