Description
Russound D890 Multi-Channel Power Amplifier
Product Details
The Russound D890 is a compact, high-performance Class-D digital power amplifier designed to bring powerful sound to up to 4 audio zones. Built into a slim, single-rack-unit chassis, it offers premium multi-room performance, flexible routing, and customized audio filtering for home theater and distributed audio systems.
Features
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8 Channels / 4 Zones: Delivers up to 90W per channel at 4 ohms in a multi-room setup.
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Ultra-Compact Design: Fits into a slim 1U rack height to maximize space in equipment racks.
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Bridgeable Channels: Easily bridge output channels for maximum power where needed (e.g., larger spaces or outdoor setups).
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Flexible Audio Inputs: 3 input options per channel—choose between 2 shared global Bus Inputs or a dedicated Zone Line Input.
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Customizable Audio Filters: Fine-tune audio output per zone using Full Range (20Hz–20kHz), Low Pass Filter (20Hz–160Hz for subwoofers), or High Pass Filter (80Hz–20kHz) settings.
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Control Flexibility: Features 3 power turn-on modes: Always On, Signal-Sensing (low-power standby under 0.5W), and 12V Trigger Control with output cascading.
Specifications
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Channels / Zones: 8 Channels (4 Zones)
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Power Output (4Ω): 90W / Channel (1kHz, 1 Zone Driven)
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Power Output (8Ω): 45W / Channel (1kHz, 1 Zone Driven)
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Bridged Power Output (8Ω): 180W (1kHz, 1 Zone Driven)
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Frequency Response:
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Full Range: 20Hz to 20kHz (+/-3dB)
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Low Pass: 20Hz to 160Hz (+/-3dB)
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High Pass: 80Hz to 20kHz (+/-3dB)
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Signal-to-Noise Ratio: >90dB (A-weighted)
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Input Impedance: >22k ohms Line Input
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Speaker Connectors: Detachable screw-down, accepts up to 12 gauge wire
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Standby Power Consumption: <0.3W
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Form Factor: 1U Rack Height
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Dimensions: 17.125" W x 1.75" H x 9.75" D (43.5 x 4.4 x 24.8 cm)
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Product Weight: 8.0 lbs (3.6 kg)
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Warranty: 2-Year Limited Warranty



