Rockford Fosgate Punch PBR400X4D Compact 4-channel car amplifier — 50 watts RMS x 4

Rockford Fosgate Punch PBR400X4D Compact 4-channel car amplifier — 50 watts RMS x 4   Product details This lightweight packs a punch Rockford Fosgate's incredibly small Punch PBR400X4D 4-channel amp will put out 50 watts RMS to each of your front and rear speakers, giving you the power to fill your listening space with great-sounding music. You can also run this amp in 2-channel mode to drive a couple of high-performance speakers or subs with up to 200 watts RMS each. Boosted Rail (BR) amp technology This Punch Class BR amplifier generates this power from a very tiny case — literally the size of your hand. Boosted Rail amp technology uses capacitors and high-speed circuitry to boost the amp's power supply voltage when needed, so it can handle musical peaks without missing a beat. Rockford Fosgate uses this new technology to create a remarkable amp that fits almost anywhere and delivers powerful sound. Features that keep you rockin' The amp also features speaker-level inputs with signal