You guys should just use a needle to poke through the speaker holes at the bottom left. I am 100% sure that it will make at least 30% difference in volume on the 2g iphone. Also don't worry about damaging the speaker, you won't. Trust me on this i've tried it and it worked. Pm me if you want
Volume hack as it. They made it for you and many due to popular demand. It is only the iClarified repository. Go check it out, though i don't notice any difference.