4 x 4 Impedance Divider / Combiner

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    The TSD-ZDC is a universal impedance divider/combiner for passively summing or splitting of mic or line level signals. Features include four unbalanced 10K and four balanced 150Ω inputs/outputs that may be passively split or combined in any arrangement.  Typical applications include passive summation of multiple 150Ω mics or stereo 10ΩK sources and passive splitting of 150Ω or 10KΩ input sources to multiple outputs.

    To ease contractor use and installation the TSD-ZDC includes individual ground connectors for each input/output. The unit's compact footprint allows for easy standalone mounting or an optional rack mount adapter may be used to facilitate up to (4) TSD devices.


    • Four (4) 150Ω Stereo Input/Outputs
    • Four (4) 10K Stereo Input/Outputs
    • Split or Combine Any Signal
    • RF Filtering on All Inputs
    • Individual Input Grounds
    • Removable I/O Connectors
    • No External Power Required

    150Ω Network Inputs/Outputs 4, Passive Balanced Networks, Any Channel Can Be Input or Output
    Frequency Response 20Hz - 20kHz
    Height 1.5" (3.81 cm)
    Width 4" (10.16 cm)
    Depth 2.5" (6.35 cm)
    Weight 6oz., .165kg
    Warranty Period 36 months from date of purchase

    TSD Series CAD Drawing TSD Series CAD Drawing
    TSD-ZDC Owners Manual (12 pages) TSD-ZDC Owners Manual (12 pages)
    TSD-ZDC Application Guide (1 page) TSD-ZDC Application Guide (1 page)