Russound D850i Class D 8-Channel Digital Power Amplifier




The Russound D850 digital multi-channel amplifier offers the features custom installation professionals demand while offering a lighter weight, smaller chassis and more efficient Class D power. The feature-rich design of the D850 is ideal for the demands of distributed audio systems and is also compatible with our Russound volume controls. Its 8 channels are arranged in stereo pairs to provide discreet amplification and custom configurations for each of 4 zones.



  • High efficiency, cool running digital amplification
  • Zones are bridgeable to create flexible power configurations
  • Global bus input, independent inputs per zone
  • Global trigger input/output
  • Independent trigger input/output per zone
  • Audio sensing with auto-switching delay settings per zone
  • Class-D power compatible with Russound volume controls
  • Robust protection circuitry for operation under extreme conditions
  • Rack mountable


  • Amplifier Channels: 8 channels 4 independent zones
  • Bridge Mode: Select Stereo or Bridge mode per zone 8 Ohm only
  • Frequency Response: 20Hz to 20kHz +1.7/-1dB at 1W output into 8 Ohms
  • Fuse Rating: 100-120V/T5A, 250V US & Canada, 220-240V/T2.5A, 250V Europe
  • Input Impedance: >22k Ohms Line Input
  • Input Sensitivity:
    600 mV for 80W @ 1 KHz 4 Ohm One Zone
    700 mV for 50W @ 1 KHz 8 Ohm One Zone
  • Power Output:
    80W /Channel, 1kHz into 4 Ohms, One Zone Driven
    50W /Channel, 1kHz into 8 Ohms, One Zone Driven
    160W, 1kHz into 8 ohms, Bridge
  • Power Requirement(s):
    North American Model:
    100-120VAC 60Hz 600W max
    IEC C14 type connector with 3 terminal detachable power cord

    International Model (D850i):
    220-240VAC 50Hz 600W max
    IEC C14 type connector with 3 terminal detachable power cords for UK, Europe, and Australia

  • Signal to Noise Ratio: >90dB A-weighted
  • Speaker Connection(s): Detachable speaker terminals support up to 14awg wire
  • Switching Delay: Three settings, 5 Seconds, 5 minutes, 10 minutes
  • Trigger Input(s): Bus and Zone @12VDC
  • Zone Line Input: Line or Bus select switch per zone

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