Rockfordfosgate PBR400X4D

full-range 4-channel amplifier

Total Power:400 Watts

Rated Power(RMS Continuous Power): 50 Watts x 4 @ 4-Ohm
100Watts x 4 @ 2-Ohm
200Watts x 2 @ 4-Ohm Bridged

Dynamic Power(PVC/PowerCube): 75 Watts x 4 @ 4-Ohm
130Watts x 4 @ 2-Ohm
270Watts x 2 @ 4-Ohm Bridged

Frequency Response: 20Hz – 20kHz +/- 1dB