doraymon
1000+ Head-Fier
Another option is to pack away the good speakers and buy a pair of cheap ones and use Command strips or velcro on them until he's grown up a little and knows better.
Enjoy this time in their life. Pretty soon he'll be running, dancing, and singing. Make sure to capture it all so you can embarrass him later with the footage.
Yeah, I think I will have to go with Command or heavy duty velcro.
I have already packed the good speakers and pre-amp/power amp section (B&W CM9 towers, Audiolab 8200) and now I am using only a pair of KEF X300A, so I'm not that afraid to damage the speakers surface anyway.