Crown CDi 1000, 2 Channel 1400W* Installation Power Amplifier. Crown CDi Series amplifiers are professional tools designed and built for installed sound applications. The series includes three models which are identical except for output power: CDi 1000, CDi 2000, and CDi 4000. All are rugged and lightweight, and offer unmatched value in their class.

Features

• Extremely versatile; rated for 2-, 4-, 8-ohm loads and 70V and 140V outputs.
• Switch-mode universal power supply.
• Intuitive front-panel LCD screen for quick, easy configuration.
• Onboard digital signal processing includes crossovers, EQ filters, delay, and output limiting.
• Up to 20 user defined DSP presets are available.

Specifications

• Frequency Response (at 1 watt into 4 ohms, 20Hz - 20 kHz): +0/–1 dB 
• Signal to Noise Ratio (below rated 8-ohm power at 1 kHz, A-weighted): 100 dB 
• Damping Factor (8 ohm): 20 Hz to 400 Hz: > 500 
• Input Stage: Input is electronically balanced and employs
  precision 1% resistors 
• AC Line Current: CDi 1000: 11.50A, CDi 2000: 11.93A, CDi 4000: 11.75A
  At idle: Draws no more than 45 watts. 
• Crosstalk (below rated power) 20 Hz to 1 kHz: > 70 dB 
• Input Impedance (nominal): 20 kilo hms balanced, 10 kilo hms unbalanced
• Load impedance (note: safe with all types of loads):
  Dual: 2–8 ohms
  Bridge mono: 4–16 ohms
• Voltage Gain (at 1 kHz, 8 ohm rated output): CDi 1000: 30.5 dB, CDi 2000: 32.9 dB, CDi 4000: 34.2 dB
• Sensitivity (at 8 ohm rated output): 1.4V 
• Maximum Input Signal: +22 dBu typical 
• Operating Temperature: 0° C to 40° C at 95% relative humidity (non-condensing) 
• AC Line Voltage and Frequency Configurations Available (± 10%): 100V, 120V-240V, 50/60 Hz 
• Ventilation: Flow-through ventilation from front to back 
• Cooling: Heat sinks and proportional-speed fan 
• Dimensions: Width, Height, Depth (behind mounting surface): EIA Standard 19 in. W (EIA RS-310-B)
  x 3.5 in. (8.9 cm) H x 12.25 in. (31.1cm) D 
• Net Weight, Shipping Weight: 19 lb (8.6kg), 22 lb (10.0 kg)

Minimum Guaranteed Power CDi 1000 

Per channel, both channels driven

• 2 ohm Dual (per channel): 700W*
• 4 ohm Dual (per channel): 500W
• 8 ohm Dual (per channel): 275W
• 4 ohm Bridge-Mono: 1,400W*
• 70V Dual (per channel): 500W
• 140V Bridge-Mono: 1000W

With 0.5% THD
*With 1% THD