Crown CDI4000 – 4-Channel Contractor Install Power AmplifierProduct OverviewThe Crown CDI4000 is a four-channel contractor install amplifier built for multi-zone commercial audio installations requiring reliable, rack-mount amplification in background music, paging, and distributed audio systems. Part of Crown's CDi Series, the CDI4000 is suited for AV integrators and commercial installers specifying cost-effective four-channel amplification for conference centers, houses of worship, corporate campuses, and institutional facilities with 70V distributed speaker systems across multiple zones.Product DescriptionThe CDI4000 delivers continuous power across all four channels with full 70V and 100V constant-voltage output support alongside 4-ohm and 8-ohm low-impedance operation. The amplifier is built for permanent rack-mount installation in commercial AV systems where multi-zone audio coverage, long-term reliability, and 70V distributed audio compatibility are the primary requirements. Its rugged, lightweight chassis and front-panel controls support straightforward on-site installation and commissioning. Comprehensive DC, thermal, and short-circuit protection on all four channels supports unattended commercial operation.Key Features Four independent channels — Drive up to four separate audio zones from a single amplifier. 70V/100V constant-voltage output — All channels support distributed speaker systems in commercial installations. Contractor install design — Built for permanent rack-mount deployment in commercial AV systems. Rugged, lightweight chassis — Simplified installation and long-term commercial reliability. Front-panel controls and metering — On-site level adjustment and signal monitoring during commissioning. 4Ω and 8Ω low-impedance operation — Direct-drive speaker capability alongside constant-voltage output. Independent channel operation — Zone-specific level control per channel. Comprehensive protection — DC, thermal, and short-circuit protection on all four channels. Typical Applications Multi-zone conference center and corporate campus background music House of worship multi-zone fill and distributed speaker systems Government and institutional facility multi-zone audio Retail and hospitality multi-zone background music Multi-purpose room and training facility distributed audio Commercial facility paging and background music zones Technical Specifications Specification Value Channels 4 70V/100V Support Yes Low Impedance 4Ω, 8Ω Rack-Mount Yes Protection DC, thermal, short-circuit SKU NCDI4000 Full specs See vendor datasheet Frequently Asked Questions Can all four channels run independently for separate zones? Yes. Each channel operates independently, allowing up to four separate audio zones with individual level control from a single amplifier. Is the CDI4000 suitable for 70V distributed speaker systems? Yes. All four channels support 70V and 100V constant-voltage output for distributed ceiling speaker installations in commercial facilities. Is the CDI4000 designed for permanent rack installation? Yes. The CDI4000 is built for permanent rack-mount deployment in commercial AV systems including unattended background music and paging applications. What is the warranty? Crown CDi contractor install amplifiers carry a 3-year limited warranty. Contact Creation Networks for service information.
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