who says to run amplifer on 1 ohms or 2 ohms
best is to get any powerfull amplifier on 4 ohms load
cause
when you put less Ohms load like , 0.5 , 1 , 2
Quality decreases cause THD increases and Amplifier heats up rapidly
i am a lover of 4 ohms only , neither 2 nor 8 ohms