The Crown CDi 4000 is a 2-channel, solid-state power amplifier engineered for reliability, power, and flexibility. Designed for installed sound systems, houses of worship, theaters, and live venues, this lightweight yet rugged amplifier delivers accurate, uncolored sound with ultra-low distortion.
Built with Crown’s proven engineering, the CDi 4000 combines high performance with value and ease of use. Its intuitive front-panel LCD screen makes configuration fast and simple, while the onboard DSP processor provides crossover, EQ, delay, and output limiting functions for complete loudspeaker management.
The amplifier’s switch-mode universal power supply ensures consistent performance worldwide, and advanced protection circuitry safeguards against shorts, overloads, DC faults, and overheating. With barrier-strip and Phoenix-style connectors, the CDi 4000 supports 2, 4, 8 Ω as well as 70V/100V/140V constant-voltage outputs, making it one of the most versatile amplifiers in its class.
Backed by Crown’s Three-Year, No-Fault, Fully Transferable Warranty, the CDi 4000 delivers professional-grade performance, reliability, and long-term value.
Crown CDi 4000 Key Features
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Accurate, transparent sound with very low distortion for premium music and voice reproduction.
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2-channel solid-state design delivering high output power with lightweight efficiency.
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Versatile load support: rated for 2 Ω, 4 Ω, 8 Ω, and 70V/100V/140V systems.
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Front-panel LCD screen for intuitive setup and configuration.
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Onboard DSP processing with crossovers, EQ, delay, and output limiting.
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Advanced protection circuitry prevents short circuits, open circuits, DC, mismatched loads, and thermal faults.
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Switch-mode universal power supply for worldwide operation.
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Proportional-speed fan-assisted cooling for quiet, reliable thermal management.
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Phoenix-style removable inputs and barrier-strip outputs for easy installation.
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2U rackmount design for professional integration.
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Backed by Crown’s 3-Year No-Fault Warranty.
Crown CDi 4000 Specifications:
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Category
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Specification
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Model
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Crown CDi 4000
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Amplifier Type
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Solid-state, 2-channel power amplifier
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Output Power
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1,200 W / ch @ 2 Ω • 800 W / ch @ 4 Ω • 500 W / ch @ 8 Ω • 1,600 W bridged @ 8 Ω
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Frequency Response
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20 Hz – 20 kHz (±0.25 dB)
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Total Harmonic Distortion (THD)
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< 0.5 %
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Signal-to-Noise Ratio
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> 100 dB
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Inputs
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Removable Phoenix-style connectors (balanced)
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Outputs
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Barrier-strip terminals for low-Z or 70V/100V/140V loads
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DSP Features
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Crossovers, EQ filters, delay, and output limiting
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Cooling System
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Proportional-speed fan-assisted airflow
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Power Supply
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Switch-mode universal (100–240 VAC, 50/60 Hz)
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Protection Circuits
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Short-circuit, open-circuit, DC, thermal, and load protection
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Display
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Front-panel LCD with navigation buttons
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Rackmount Size
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2U (3.5 in × 19 in × 12.25 in approx.)
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Weight
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~18.5 lb (8.4 kg)
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Warranty
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3-Year No-Fault Fully Transferable
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Applications
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Installed sound, live venues, theaters, worship, and education facilities
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