Rockford Fosgate P400X4 Punch 4-channel amplifier

• 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 
• 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
• 11-1/8"W x 2-7/16"H x 8-13/16"D
• warranty: 1 year