The Extron XTRA Series XPA 2001 is a half rack 1U, convection cooled power amplifier. This professional grade amplifier features a 100 dB signal-to-noise ratio with less than 0.1% THD+N. The XPA 2001 is an ENERGY STAR qualified amplifier with an Extron exclusive, highly efficient, advanced Class D amplifier design. It also features patented CDRS - Class D Ripple Suppression technology that provides a smooth, clean audio waveform and an improvement in signal fidelity over conventional Class D amplifiers. The XPA 2001 is one quarter the size of comparable amplifiers, conserving rack space and weighing light. The Extron exclusive, high efficiency design generates very little heat and allows the amplifier to be convection cooled.