Rockford Fosgate PBR300X4 Punch BRT 300-Watt Ultra Compact 4-Channel Amplifier

General Features: 

• 4-channel car amplifier
  75 watts RMS x 4 at 4 ohms
  non-bridgeable, 4-ohm stable per channel
  CEA-2006 compliant
  Boosted Rail amp technology
  Dynamic Thermal Management cooling system
  selectable high- and low-pass filters (80 Hz, 12 dB/octave)
  differential-balanced inputs eliminate noise from your vehicle's electrical system
  preamp and speaker-level inputs
  10-gauge power and ground leads and a 30-amp fuse recommended — wiring and hardware not included with amplifier
  no onboard fuses — when installing multiple amps in a system, an additional 30-amp in-line fuse between the distribution block and the amplifier is recommended
  dimensions: 6-3/4"W x 1-1/2"H x 4-1/4"D