You have to understand the ratings of this amp to not be surprised. Look at the fuse rating at 25Ax2. That is a 50A peak. At the mentioned 2ohm, 1200W rms, you are pushing 48.989Amps, which means that the 1200watts is not an rms, but a peak. Your rms is actually at about 420watts for this amplifier...It is very overrated. And that is with a 70% efficiency rating @28.98A @14.49V. Not much higher than your BATT supplies. So, the voltage gain is very small here. THIS is why a 2000W amp can cost around $100. Gotta do the research.
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