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The ROCKFORD FOSGATE P500X4D 500W Full-Range 4-Channel Car Audio Amplifier is an ultra-efficient 4-channel amplifier capable of producing 125 Watts into 2-Ohms without excessive drain on your charging system. The P500X4D amplifier can also be run in bridged/mono mode for use with subwoofers.
The P500X4D 500 Watt 4-channel full-range amplifier is a perfect edition to the famous Rockford Fosgate Punch amplifier line-up. Known world-wide for brute power, this Class-D design offers a higher level of efficiency along with a tri-stage protection that covers thermal, over-current and short circuits. On-board Punch Bass will also supplement low frequency "boom" to give your music more impact and presence than a live stadium concert.