INFINITY 4 Channel 468 Watt Car Amplifier - RMS Power: - 75 Watt x 4 Channel @ 4 Ohm - 90 Watt x 4 Channel @ 2 Ohm - 180 Watt x 2 Channel @ 4 Ohm Bridged - 468 Watt MAX - Class A/B - MOSFET Power Supply - Full Range Preamp Outputs - High/Low Level Inputs - Variable Bass Boost - Direct Connect Terminals - CEA-2006 Compliant - 4 Gauge Power and Ground Wiring is Required for Installation - Dimensions: 14-3/4"L x 9"W x 2-11/16H - Product Condition: BRAND NEW - Part Number: REF475A Series: Reference Amplifier Class: Class AB Bridged Power: 180 Watt x 2 Channel @ 4 Ohm Bridged