When you install a Power series amplifier, you get the biggest, beefiest power Rockford Fosgate has
When you install a Power series amplifier, you get the biggest, beefiest power Rockford Fosgate has to offer. The 4-channel Power 851X amplifier incorporates innovative circuitry, precision controls, and MOSFET power to ensure that your music sounds absolutely pristine...and rocks hard!
110 watts RMS x 4 at 4 ohms
215 watts RMS x 4 at 2 ohms
425 watts RMS x 2 in bridged mode at 4 ohms
2-, 3-, or 4-channel 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
MOSFET power supply and output devices
front and rear 50-250 Hz high-pass/low-pass crossovers, 24 dB/octave slopes
MEHSA mounting technology increases the heat transfer from the MOSFET output devices to the heat sink, for higher power output, lower
operating temperatures, and greater reliability
TOPAZ noise-killing differential inputs that eliminate 80% of ground loop noise
Transana circuitry keeps preamp voltages low and signal paths simple for outstanding audio quality
NOMAD advanced protection circuitry for "intelligent" shutdown protection
wired remote control included for fingertip control of Punch Bass (for 0-18 dB of bass boost at 45 Hz)
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