Community ALC-404D – 4 x 400W DSP Amplified Loudspeaker Controller with Dante®
The Community ALC-404D delivers four independent channels of 400 watts amplification with advanced DSP processing and Dante® audio networking. Designed for seamless integration with Community Professional Loudspeakers, this amplified loudspeaker controller provides comprehensive signal routing, zone switching, protective limiting, remote monitoring, and system amplification functions in a single, flexible device.
Supporting low impedance, 70V, or 100V loudspeakers on any channel, the ALC-404D features 1024-tap FIR Linear Phase DSP, factory-optimized presets for Community loudspeakers, and multi-stage loudspeaker protection to ensure consistent sound quality and reliable operation in every installation.
With remote system control and monitoring via ArmoníaPlus System Manager software, easy setup and management are possible from anywhere. Engineered for mission-critical applications, the ALC-404D also offers UPS-compatible power supply and user-assignable GPIO fault monitoring, making it ideal for fire alarm and emergency notification systems.
ALC-404D Key Features:
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4 independent channels x 400W output
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Supports 2Ω, 4Ω, 8Ω, 70V, or 100V loudspeakers
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Advanced 1024-tap FIR Linear Phase DSP processing
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Factory-tuned Community loudspeaker presets for optimum performance
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Multi-stage protection limiters to safeguard loudspeakers
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Power Sharing technology for asymmetric output loading
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Quick access to complete Community loudspeaker library
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Easy configuration via ArmoníaPlus System Manager software
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IEC 60849-compliant monitoring and reporting
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User-assignable GPIO fault indicators
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UPS-compatible power supply design
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4-year manufacturer’s warranty
Ideal Applications:
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Houses of Worship
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Small to medium venues
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Educational and government facilities
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Emergency paging and life-safety systems
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Retail and corporate audio systems
Community ALC-404D Specifications
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Specification
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Details
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Product Type
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4-Channel Amplified Loudspeaker Controller with DSP & Dante®
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Channels
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4 independent output channels
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Output Power per Channel
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400W (per channel, into compatible loads)
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Load Compatibility
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2Ω, 4Ω, 8Ω, 70V, or 100V on any channel
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DSP Processing
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1024-tap FIR Linear Phase DSP
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Inputs
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2 x Analog Inputs (balanced)
2 x Dante® Network Audio Inputs
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Outputs
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4 x Loudspeaker Outputs (binding posts or terminal blocks)
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Control Software
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ArmoníaPlus System Manager Software (via Ethernet)
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Network Protocols
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Dante® audio, Ethernet control and monitoring
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Loudspeaker Presets
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Factory-optimized Community loudspeaker presets
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Protection Features
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Multi-stage loudspeaker protection limiters
Power Sharing technology
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Monitoring
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Full system monitoring via ArmoníaPlus
Per-channel user-assignable GPIO fault outputs
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Compliance
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IEC 60849 (Emergency notification system compliance)
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UPS Compatibility
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Yes — engineered to operate with uninterruptible power supplies
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Fault Monitoring
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Rear-panel GPIO connectors for fault indication
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Power Supply
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Universal switching power supply
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Dimensions
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Standard 2U rack mount (dimensions may vary)
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Warranty
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4 years
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