I agree.
The M80's are VERY sensitive.
I have the M80's and love them. Outlaw makes a 200 watt mono block at $300. a piece. The amps are very quite and have a very modest rating.

M80's VP150 QS8's Earthquake SuperNova MKV-15
Integra DTR-7.4 Outlaw 755 Outlaw M200's Outlaw ICBM