Cerwin Vega Amplifier Xed Series 4 Ch 400W 304728 5in Extension Bar SHPSB140 5in Extension Bar Reduced cutting effort XED4004D 4 CHANNEL XED SERIES AMPLIFIER 400W MAXFEATURES:Latest High Efficiency Class D TopologyCompact Size with Ambient backlit logoRCA Pass Thru output for easy system expansionFully Variable Crossovers (12dB per octave)Handles HI and LO level input to 12V2 Ohm Stable Stereo and 4 Ohm Mono (CH3 4) for 3 Ch modeProprietary Vega Bass Boost EQ Up To 12dBSPECIFICATIONS:4 Channel Amplifier60W x 4 at 4 Ohm RMS90W x 4 at 2 Ohm RMS160W x 2 at 4 Ohm RMS Bridged Mono2 Ohm Stereo & Overload Circuits Protect Amplifier200mV 6V High Level or Low Level RCA InputVariable 12dB High