Rockford Fosgate Punch PBR300X4 Car 300W RMS 4-Channel Amplifier OPEN-BOX#

1 X ROCKFORD FOSGATE PUNCH PBR300X4 AMPLIFIER. In addition, this patented technology allows the chassis design to be much smaller than traditional sized amplifier - 1.53" x 4.25" x 6.75" - making this amp a great solution for smaller stealth installations, motorcycles and recreational vehicles.