lol i remember seeing something about 2ohm mono couple posts ago

And yes the more resistance the more audible THD% you get most the time. Kinda varies on the amps power supply but thats a whole nother convo. Take JL Amps for an example, the 500/1 is 500 watts rms at 8-1.5ohms 12-15+volts. Anyways just my .02