Power Autolab AA-450 - New Autolab AA-450 4CH Mosfet Spesifikasi : Bass Booster Treble Booster 2ohm stable circuits Variable low pass high pass crossover Thermal/short circuit/ overloading protection High efficiency mosfet power supply Tri-mode output configurations Power on Protection LED indicators Extra heavy heat sink for better heat dissipation 25.000 Watt Maximal