Rockford Fosgate 550X Power Series Subwoofer Amplifier

65 watts RMS x 4 at 4 ohms 137.5 watts RMS x 4 at 2 ohms 275 watts RMS x 2 in bridged mode at 4 ohms 2-, 3-, 4-channel or Tri-Way output 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) preamp-level (RCA) inputs preamp (RCA) outputs 4-gauge power and ground connectors

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