"I use the AC line for 6 years,

No problems with anything on all amps. It's Crest, well thought out: knob button embedded in the amp (no risk of incorrect manipulation) mase the power button or not, mono, bridge, Ventilation //... enslaved in temp temperature, ventilation is not embarrassing low, but when you balance the sauce to cool.
The limiter is to calm the passions, and possibly a wiring problem or impdance too low. Breaker switch, high pass filter and low pass.
"It is powerful, has held the 2 Ohm without flinching, a drive anything that moves with a very good sound.

2x750-W at 2 Ohm (1.5 kW bridg 4 Ohm)
-2x600 W into 4 Ohm (1.2 kW Bridge 8 Ohm)
-2x400 W into 8 Ohm (800 Ohm 16 W bridg)
"I tried a little while, the range Amcron / Crown, for their range consurente of the time, I preferred the Crest, more comfortable on a pair of sub during a demo of comparison.

-The report is exellent qualitprix it's cheap for what it is.

-With experience, I do it again!