Harman Kardon HK 990 Stereo-Integrated Amplifier - 300 W RMS - 2.2 Channel Audio Section. Continuous Average Power (FTC), (stereo mode) - 150 watts per channel into 8 ohms @ 20 Hz - 20,000Hz, &lt;0.07% THD, both channels driven; High Instantaneous Current capability is up to 200 amps Unit Dimensions (H x W x D) and weight - 165mm x 440mm x 435mm (6-1/2 x 17-5/16 x 17-1/8), 19.6kg Six analog stereo audio inputs Two analog recording outputs Four digital inputs (two optical and two coaxial)