Russound D250LS Class D 2-Channel Digital Power Amplifier




The D250LS is perfect for installations that include adding a local source to a multiroom system. The D250LS allows the source (e.g., a PC or TV in the bedroom) to automatically override the audio playing in that particular room of a distributed audio system. When the local source is turned on, the amplifier switches the room speakers to its own output. This amplifier also provides autosensing line and amplified inputs as well as a trigger input for versatility in different applications.



  • Switches speakers between a local source and a distributed audio system
  • Four mounting options available with included hardware
  • Low-profile design permits use in areas most amplifiers won't fit
  • Channels are bridgeable to create one channel with substantial power output
  • Robust circuitry is designed for long-term stability


Amplifier Channels 2
Channel Separation >60dB @ 1 kHz
Frequency Response 20 Hz to 20 kHz +/- 0.4 dB
Fuse Rating T3.15AL/250V
Input Impedance 47 kilohms Line Input
Input Sensitivity 70 mV for 1 watt at 8 ohms
550 mV for 50 watts at 8 ohms
Power Consumption (Standby) <0.5 watts
Power Output Continuous Stereo:
50 watts per channel at 8 ohms (<0.3% THD+N) @ 1kHz
75 watts per channel at 4 ohms
150 watts at 8 ohms, 2 channels bridged
Power Requirement(s) North American: 120 VAC 60 Hz 2.5A
European: 230 VAC 50 Hz 2.5A
IEC 320 type connector with 3 terminal detachable power cord
Signal to Noise Ratio >112 dB A-weighted
Switching Delay 5 seconds to 5 minutes
Total Harmonic Distortion <0.3% THD+N from 20 Hz to 20 kHz for 50W into 8 ohms
<0.05% from 20Hz to 20kHz for 1W into 8 ohms
Trigger Input(s) 12 VDC 10 kilohms
Trigger Output(s) 12 VDC 100 mA max
Voltage Gain 32 dB
Zone Outputs 1

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