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:

  • 4 independent channels x 400W output

  • Supports 2Ω, 4Ω, 8Ω, 70V, or 100V loudspeakers

  • Advanced 1024-tap FIR Linear Phase DSP processing

  • Factory-tuned Community loudspeaker presets for optimum performance

  • Multi-stage protection limiters to safeguard loudspeakers

  • Power Sharing technology for asymmetric output loading

  • Quick access to complete Community loudspeaker library

  • Easy configuration via ArmoníaPlus System Manager software

  • IEC 60849-compliant monitoring and reporting

  • User-assignable GPIO fault indicators

  • UPS-compatible power supply design

  • 4-year manufacturer’s warranty

Ideal Applications:

  • Houses of Worship

  • Small to medium venues

  • Educational and government facilities

  • Emergency paging and life-safety systems

  • Retail and corporate audio systems

Community ALC-404D Specifications

Specification Details
Product Type 4-Channel Amplified Loudspeaker Controller with DSP & Dante®
Channels 4 independent output channels
Output Power per Channel 400W (per channel, into compatible loads)
Load Compatibility 2Ω, 4Ω, 8Ω, 70V, or 100V on any channel
DSP Processing 1024-tap FIR Linear Phase DSP
Inputs 2 x Analog Inputs (balanced) 
2 x Dante® Network Audio Inputs
Outputs 4 x Loudspeaker Outputs (binding posts or terminal blocks)
Control Software ArmoníaPlus System Manager Software (via Ethernet)
Network Protocols Dante® audio, Ethernet control and monitoring
Loudspeaker Presets Factory-optimized Community loudspeaker presets
Protection Features Multi-stage loudspeaker protection limiters 
Power Sharing technology
Monitoring Full system monitoring via ArmoníaPlus 
Per-channel user-assignable GPIO fault outputs
Compliance IEC 60849 (Emergency notification system compliance)
UPS Compatibility Yes — engineered to operate with uninterruptible power supplies
Fault Monitoring Rear-panel GPIO connectors for fault indication
Power Supply Universal switching power supply
Dimensions Standard 2U rack mount (dimensions may vary)
Warranty 4 years
List price: $3,600.00
Price: $3,600.00