Extron s XPA U 1002 is an ENERGY STAR qualified audio power amplifier delivering two 100 watt channels in a half rack, 1U, convection cooled, plenum rated enclosure that includes rack mount hardware.The XPA U 1002 delivers 100 watts into 8 or 4 ohms while the XPA U 1002 70V and XPA U 1002 100V deliver 100 watts into 70 volt and 100 volt systems, respectively. The XPA U 1002 offers the ability to install units without using rack spaces for ventilation, conserving precious rack space. It features a highly efficient advanced Class D amplifier design with power factor correction, ultra low inrush current, defeatable auto standby with fast wake up, and our patented CDRS Class D Ripple Suppression.