• 2-Wire Interface Module
  • Clear-Com/RTS assignment from HMS-4X main station
  • Two 3-pin XLR-F connectors per module


The HelixNet IP networking guide provides specifications, best practices and guidance for the integration of HelixNet into an existing or new IP network.

Item Part Number:
  • HLI-2W2

Technical Specifications


Intercom Line: (2) 3-pin XLR–F


Maximum Level Before Clipping: 6dBu

Nominal Input Level: -18dBu (C-C), -12dBu (RTS)

Input Impedance: >= 10KΩ bridging

The following specified for a route to four-wire input at 0dBu in:

Frequency Response: 100 Hz – 10 kHz ±3dB

Distortion: <0.2% THD @ 1kHz

Noise: <-55dBu

The following specified for a route from a four-wire output at 0dBu out:

Frequency Response: 40 Hz – 10 kHz ±3dB

Distortion: <0.2% THD @ 1 kHz

Noise: <-75dBu

Auto-nulling and Echo Cancellation RTS/Clear-Com Selectable

Termination: External

Power: 30V max external


2.24 x 7.36 x 1.54 in (HxWxD)

(57 x 187 x 39 mm)


13 oz (0.38 kg)


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