When you install a Power series amplifier, you get the beefiest power Rockford Fosgate has to offer.
When you install a Power series amplifier, you get the beefiest power Rockford Fosgate has to offer. The Power 851S will feed a big, power-hungry subwoofer all it can handle this beast delivers an awe-inspiring 850 watts RMS in bridged mode. Innovative circuitry and precision controls ensure that your music sounds absolutely pristine... and rocks hard!
215 watts RMS x 2 at 4 ohms
425 watts RMS x 2 at 2 ohms
850 watts RMS x 1 at 4 ohms in bridged mode
stereo or bridged mono output
4-ohm stable in bridged mode
Tri-Way capable
requires 4-gauge power and ground leads and a 60-amp fuse wiring and hardware not included with amplifier
TOPAZ noise-killing differential inputs eliminate 80% of ground loop noise
NOMAD advanced protection circuitry monitors temperature, voltage, current and impedance, and provides "intelligent" shut-down protection without limiting system performance
TRANSana circuit designs keep voltages low and signal paths simple in the pre-amp section, for minimum distortion and maximum musicality
MEHSA provides more efficient transfer of heat from MOSFET output devices to the heatsink for cooler operation
preamp outputs for convenient daisy-chaining of amplifiers
Punch Bass (0-18 dB at 45 Hz) with wired remote control
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