Radio Design Labs D-CIJ3
Consumer Input Jacks, RCA


Our Price: $74.95
List Price: $100.25
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The D-CIJ3 is the perfect choice in installations requiring the passive mixing of two unbalanced line level audio sources to feed a mono balanced (or unbalanced) audio line.

The D-CIJ3 is a complete unbalanced line-level audio input module. The front panel features two gold plated phono jacks and a single stereo mini-jack, intended for mono or stereo consumer level sources. An input signal may be connected to either the phono jacks or to the mini-jack. The left and right signal inputs are combined and balanced through audio transformers configured to reject induced hum. A mono line-level output is provided on the rear panel detachable terminal block for connection to a 10 kO or higher input impedance line-level module or equipment input.


  • Stereo Inputs to Mono Output
  • Stereo Inputs on RCA Jacks and Stereo Mini-Jack
  • Line-Level Output to Feed 10 kO Equipment Inputs
  • Output Connections on Detachable Terminal Block
  • Mix Stereo Inputs to Mono Balanced
  • Unbalanced to Balanced Conversion Without Gain
  • Transformer Isolation for Unbalanced Line Inputs
  • Hum Cancellation on Unbalanced Line Inputs
  • Available in RDL White/Gray (D-CIJ3)


  • Input connectors (3): Phono jacks with gold contacts (Left and Right), Mini-jack 3.5 mm (Stereo)
  • Frequency response (line level): 50 Hz to 20 kHz (±1 dB); 30 Hz to 20 kHz (±2 dB)
  • THD: <0.2% (1 kHz)
  • Output connector: Detachable terminal block
  • Dimensions:
    Height: 4.13 in. 10.49 cm
    Width: 1.7 in. 4.32 cm
    Depth: 2.15 in. 5.47 cm
  • Mounting Box Minimum Dimensions:
    Width: 1.80 in. 4.57 cm
    Depth: 1.75 in. 4.45 cm
  • Ambient Operating Environment: 0° C to 55° C
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