Product Details:
400 Watt 4 Channel Class A/B Amplifier
System Configuration Flexibility of 4/3/2 Channel 
Power Handling
POWER Standard 4 Channel Mode
60w x 4 @ 4 Ohm
100w x 4 @ 2 Ohm
POWER Standard 3 Channel Mode
60w x 2  @ 4 Ohm + 200w x 1 @ 4 Ohm
100w x 2 @ 2 Ohm + 200w x 1 @ 4 Ohm 
Frequency Response: 14Hz – 36Hz
Crossover: 40-200Hz
Subsonic Filter: 10-40Hz
Input Sensitivity: 177mV – 5.7V
Selectable Bass EQ: 0dB-6dB-12dB
Signal to Noise (@ CEA Standard): 80.1dB
Heatsink Type: Extruded Aluminum
Cooling Type: Radiation
Operating Voltage: 8V to 16V
Switchable Auto-Turn On: Yes
Power Supply Type: Unregulated
Onboard Thermal Management
Power Terminal: 4 Gauge
Speaker Terminal: 12 Gauge
Recommended Fusing: 2 x 30A
Dimensions: 17.25"L x 9.5"W x 3.5"H
4-gauge power and ground wiring is recommended for installation