READY HARGA PER PCS 4 X 100 WATTS RMS POWER 2 CHANNEL BRIDGEABLE 2 OHM STABLE & TRI-MODE CONNECTION POSSIBLE 100W X 4@4-Ohms / 160WX4@2-Ohms/ 320WX2@4-Ohms BRIDGED THERMAL/SHORT-CIRCUIT/OVERLOADING PROTECTION HIGH EFFICIENCY MOSFET POWER SUPPLY VARIABLE LOW PASS & HIGH PASS CROSSOVER POWER ON & PROTECTION LED INDICATORS