The 905xl is a high−performance remote−controllable power amplifier.- Stereo Mode - 2 x 110W @4Ω.- Selectable Balanced and Unbalanced Inputs.- Remote Control (RS-232) - Volume, EQ and input selection.- Class D Amplifier.- Size - Standard 19" (1U). Rack "ears" included.Applications:- Presentation rooms and multimedia applications for quick, local audio amplification.- Personal audio listening (for example, a PC and portable CD player).