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Russound R290DS

Two-Channel Dual Source Amplifier (90W)

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Two-Channel Dual Source Amplifier (90W) R290DS

The R290DS is a two-channel, two-source, 90-watt amplifier with auto-source switching. With primary and secondary audio line inputs, loop output, selectable speaker level input, and 12 V trigger input and output, the R290DS provides the power and features necessary to support today's multiroom audio systems.

Ideal for power upgrades for a specific zone, zones where a local source input is required, or for long series parallel speaker runs, the R290DS supplies the extra power needed for larger zones, while combining the flexibility of adding local sources via automatic source switching. It also includes an autosensing input that activates the amplifier upon detecting an audio signal. The amplifier returns to standby mode when the audio signal ceases.

The R290DS is rated at 90 watts per channel into 8 ohms, 110 watts into 4 ohms, and is bridgeable, providing 250 watts of power into a single 8-ohm load. Each amplifier output channel incorporates robust protection circuitry for safety and reliability under extreme circumstances.

Standard Features

  • Dual source input with auto switching selects between primary and secondary sources
  • Bridgeable to create one channel with substantial power output
  • Reliable circuitry designed to safeguard against thermal overload and short circuits


Amplifier Channels 2
Frequency Response 20 Hz to 20 kHz +/-0.3 dB
Input Impedance 47 kilohms
Input Sensitivity 70 mV for 1 watt at 8 ohms
680 mV for 90 watts at 8 ohms
Power Output Continuous Stereo:
90 watts per channel at 8 ohms
110 watts per channel at 4 ohms

Bridged Mono:
250 watts at 8 ohms
Power Requirement(s) US/Canada: 120 VAC 60 Hz 2.5 A
Europe: 230 VAC 50 Hz 1.2 A
Signal to Noise Ratio >110 dB A-weighted
Total Harmonic Distortion <0.03% THD+N from 20 Hz to 20 kHz for 90 watts into 8 ohms
Voltage Gain 32 dB
Zone Outputs 1


Color Black
Height (inches) 10.6"
Width (inches) 20.5"
Depth (inches) 23.6"


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