Think about being in a car pulled off on the side of the interstate. You want to get back on but there's a lot of traffic. Would you be safer trying to get up to speed to merge back onto the interstate with a four-cylinder or a turbocharged V-8?
The more power that you have the more headroom you have when you need it. Do you need it all of the time? No. But if you don't have it when you need it and you run out of headroom, you drive your amp into distortion. That will blow a speaker before anything else.
The more power that you have the more headroom you have when you need it. Do you need it all of the time? No. But if you don't have it when you need it and you run out of headroom, you drive your amp into distortion. That will blow a speaker before anything else.