NAD CI 940 Multi-Channel Amplifier

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  • Regular price $1,490.00


When it comes to the CI 940, NAD’s renowned audio performance combines seamlessly with the flexibility and reliability required for custom integration. Containing 4 channels of low distortion amplification, the CI 940 smoothly delivers the right amount of current for strong, but accurate, bass response. Designed to fit into standard rack units, the CI 940 is completely protected from both short circuit and overheating, and will automatically restore operation once a condition has been rectified. Furthermore, easy integration is guaranteed with the option of either DC trigger or signal-sensing power-on with auto shut-off. Complete with a detachable power cable for easy service and upgrades, the CI 940 provides an expansive sonic experience unique in this category of product.


  • Four channels of clean, low distortion power set up in two stereo zone configuration
  • 35W x 4 @ 8 Ohms/4 Ohms
    70W x 2 @ 8 Ohms in Bridge Mode
  • Compact 2U rack height with rack ears
  • Phoenix speaker connection blocks
  • Detachable power cable for easy service and upgrades
  • Indicator lamps for each zone that show protection status and amplifier clipping
  • <0.5W standby consumption
  • <0.03% THD; <0.04% IMD (SMPTE, CCIR)
  • >95dBA referenced to 1W


Continuous Output Power 

8 Ohms/4 Ohms - 4 x 35W (ref. rated THD, 20Hz-20Hz, all channels driven)

8 Ohms Bridge Mode - 2 x 70W (ref. 20Hz-20kHz)

Rated THD (250mW to rated power, CCIF IMD, DIM 100) <0.03% (ref. 20Hz-20kHz)
IHF Dynamic Power

55W at 8 Ohm

85W at 4 Ohm

95W at 2 Ohm

Damping Factor >180 (ref. 8 Ohms, 50Hz and 1kHz)
Input Sensitivity 270mV (ref. rated power)
Voltage Gain 35dB
Frequency Response

ref. 20Hz-20kHz ±0.2dB

-3dB at 3Hz and 100kHz

Signal/Noise Ratio, A-Weighted

>95dB (ref. 1W)

>110dB (ref. 35W)

Minimum Input Signal to Trigger (auto sense mode) >20mV
Time to Automatic Standby (without signal at input sense mode) 10 minutes
Rated Power 270W (120V 60Hz, 230V 50Hz)
Idle Power <55W
Standby Power <0.5W
Gross Dimensions (W x H x D) 483 x 105 x 323mm (19 1/16 x 4 3/16 x 12 3/4”)
Net Weight 6.96kg (15.35lb)
Shipping Weight 8.4kg (18.5lb)

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