I blew one of my speakers in my GK SBX 410 (8 ohm cab 400 watts). I replaced two of the speakers (the blown one and it's mate) with comparable speakers (same ohms only 150 watts instead of 100) and it sounds great. My question is, the new speakers are better quality and sound louder than the other two original speakers. That in itself doesn't concern me as the overall sound is greatly improved. Oh, I also run a SBX 115. Okay back to my question...do you think this will hurt anything. The only difference is the new speakers are higher wattage which I understand matters little. I just want to make sure I am not hurting anything. I use a GK 700rbII head.