Rockford Fosgate Punch PBR400X4D Compact 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) CTA-2006 compliant Boosted Rail amp technology C.L.E.A.N. gain setup system includes clip lights and link to Rockford Fosgate's setup tones More Features: switchable high-pass filters (off/60/80 Hz at 12 dB/octave) on front and rear channels switchable low-pass filters (off/80 Hz at 12 dB/octave) on front and rear channels preamp and speaker-level inputs signal-sensing turn-on with speaker-level inputs eliminate need for remote turn-on lead wiring, fuse, and hardware not included with amplifier 8-gauge power and ground wires and a 60-amp fuse recommended dimensions: 6-3/4"W x 1-9/16"H x 4-1/4"D warranty: 1 year MFR # PBR400X4D