Rockford Fosgate Punch P400X4 4-channel car amplifier — 50 watts RMS x 4

Product highlights: 4-channel car amplifier 50 watts RMS x 4 at 4 ohms (100 watts RMS x 4 at 2 ohms) 200 watts RMS x 2 bridged at 4 ohms (4-ohm stable in bridged mode) CEA-2006 compliant Features: variable high- and low-pass filter filter (50-250 Hz, 12 dB/octave) variable PEQ2 bass/treble boost (0-18 dB at 45 Hz and 0-14 dB at 12.5K Hz) C.L.E.A.N. gain setup system includes clip lights and link to Rockford Fosgate's setup tones Class-AB amplifier design frequency response: 20-20K Hz Dynamic Thermal Management and MEHSA MOSFET cooling systems MOSFET power and output stages preamp and speaker-level inputs (speaker wire to RCA adapter required for speaker-level input) signal-sensing turn-on with speaker-level inputs eliminate need for remote turn-on lead More Info: 4-gauge power and ground leads and an 60-amp fuse recommended — wiring and hardware not included with amplifier no onboard fuses — when installing multiple amps in a system, an additional 60-amp in-line fuse between the d