So... I have a choice of overpowering my speakers or underpowering.
 

Hey guys, I have a bunch of old school amps I'd like to put to good use. This is a zero expense setup since these are remnants from tons of other builds i've made on my other vehicles. So, in the car right now, I have some Xplodes, rated at 40 W RMS @ 4ohms, peak power 190W... not great, but whatever.

One possible setup is to go for this 4 channel Alpine 3527V Amp that sends 25W @ 4 ohms or 35@2ohms which seems underpowered. The other setup is two 2 channel amps, one rated at 60W@ 4ohms, the other at 70WRMS 4ohms per channel. So... should I risk the higher power with the 2 channel amps or stay boring safe at lower power?

Overpowering speakers TYPICALLY yeilds no issues AS LONG as your crossover points are accurate and do not drive the mid lower then needed to produce frequencies that it cant

Ok thanks for the reply... I ended up doing the installation, and I can see exactly what you mean... The sound is very rich, clean and powerful, but missing low end, and when I try to compensate for that, the speakers show lots of struggle.

So, for optimal sound, I still need to keep my subs... one of the points of this was to see if I could be satisfied without my subs, which need bit of work... but that's a question for another post.