Introducing the XM-554ZR/RB car audio amplifier from Sony, it is a 600W 4-Channel power hous. This amplifier is a big bang for your buck and has enough to power anything you throw at it and then some. A MOSFET power supply with features including LED power and protection indicators, bridgeable operation, speaker-level inputs with signal sensing for automatic turn-on, chrome-plated RCA level inputs and screw terminals, and is CEA-2006 compliant amplifier.