[Rambodog]

Match the RMS spec of the speaker at any given ohm load to the RMS per channel of any given ohm load of the amp. So if your speaker can handle 100 watts RMS @ 4 ohm, then find an amp that is close to that spec. like this one for example.
http://www.sundownaudio.com/index.php/p ... -100-4-v-2