Do I need more power?

I recently got a rogue audio tempest magnum to go with my audio physic sparks. It has a great sound, but starts to break up a bit if i turn the volume way up. The integrated amp only has 60 watts. Do I need something else with more power? Ive thought of getting a preamp, but that seems like a waste given that this is an integrated. Should I look to trade this in and start with something totally different? Should I go for separates? Get a different integrated with more power? Any advice would be much appreciated.

Thanks a lot.