Product Details:

Power Specifications - Full Range Channels
RMS Power @ 4 ohms
125 watts x 4 channel
RMS Power @ 2 ohms
250 watts x 4 channel
Bridged RMS Power
500 watts x 2 channel
Power Specifications - Full Range Channels
Peak Power @ 4 ohms
125 watts x 4 channel
Peak Power @ 2 ohms
250 watts x 4 channel
Bridged Peak/Max Power
500 watts x 2 channel
Amplifier Specifications
Series
Power X Series
Amplifier Class
A/B
Number of Channels
4-Channel
Total RMS Power Output
1000 watts
Maximum Input Gauge Size
4 AWG
Minimum Impedance Unbridged
2 ohms
Minimum Impedance Bridged
4 ohms
Frequency Response
10 - 20K Hz
Speaker Level Inputs
Yes
Built-in Crossover
Low-Pass (LP)
High-Pass (HP)
Full (AP)
High-Pass Crossover Frequency
120 - 3K Hz
Low-Pass Crossover Frequency
50 - 250 Hz
Bass Boost
0 - 12 dB
Fuse Rating
30A x 2 
Total Fuse Rating
60
Sonic Certified Amplifier
Yes
Low-Level Input Sensitivity
0.2 - 9 volts
High-Level Input Sensitivity
0.2 - 9 volts