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CDi 4000

Two-channel, 1200W @ 4Ω, 70V/140V Power Amplifier


The CDi Series amplifiers are professional tools designed and built for installed sound applications. The series includes four models which are identical except for output power: CDi 1000, CDi 2000, CDi 4000, and CDi 6000. All are rugged and lightweight, and offer unmatched value in their class.

Power Matrix

Recommended for: Installed Sound.

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  • 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.
Channels 2
Sensitivity (for full rated power at 8 ohms) 1.4V
Rated Power Output (per channel @ 4 ohms) 1200W Stereo
Signal to Noise Ratio (below rated 1 kHz power at 8 ohms) 100 dB (A-weighted)
THD < 0.5%
Damping Factor (20 Hz to 400 Hz) > 500
Frequency Response (at 1W, 20 Hz - 20 kHz) + 0 dB, -1 dB
Crosstalk (below rated power) 20 Hz to 1 kHz >70 dB
Input Impedance (nominal) 20k ohms balanced, 10k ohms unbalanced
Dimensions 3.5" x 19" x 12.25"
Weight 22.0 lbs
IEC Power Connector 15A
Cdi 4000 front no top shadow medium Cdi 4000 back no top shadow medium