Clear-Com HMS-4X
4-Channel HelixNet Main Station

OUR PART #:  HMS-4X

The HMS-4X HelixNet Main Station provides power and up to 20 networked channels of audio to support up to 20 digital beltpacks.
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Clear-Com HMS-4X 1
Clear-Com HMS-4X 2
Clear-Com HMS-4X 3
Clear-Com HMS-4X 4
Our Price: $3,798.00
List Price: $4,220.00
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Clear-Com HMS-4X
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The HMS-4X HelixNet Main Station provides power and up to 20 networked channels of audio to support up to 20 digital beltpacks. The sleek 1RU digital system can be mounted into any standard 19" rack.

Clear-Com HMS-4X Main Station Features:

  • High Channel Density. Four independent intercom channelsand power for beltpacks transmitted over shielded twisted-pair (Ex. microphonecable, CAT5, or CAT6 cable).  
  • No Rewiring Required. System designed to preserveinvestment by operating on shielded existing infrastructure.
  • Single Cable Operation. Fewer cables save time and costduring setup and configuration.
  • No Hum. No Buzz. All-digital system offers immunity toelectro-magnetic interference and ground loops.
  • High User Capacity. Connect up to 20 beltpacks on asingle HMS-4X Main Station across four channels.
  • Quick Startup. Get up-and-running fast and effortlesslywith easy plug-and-go installation and hardware auto-discovery.
  • Seamless Interfacing. Optional two-wire and four-wiremodules interface with existing analog intercom systems and audio devices.
  • Easy-to-Navigate Menu. Quick access to system settingsand configuration for fast and painless set up.
  • Easy Updates. Apply firmware maintenance and upgradeseasily via USB ports.

Front Panel:

  • Remote Microphone Kill
  • Stage Announce Out
  • Line Status Indication
  • Large Format OLED Displays
  • Up to 10 Characters for User-defined Labels
  • Talk and Call Keys
  • Speaker and Program Level Controls
  • Rotary Channel Level Controls
  • USB-A and USB Micro-AB Ports
  • XLR Headset Connector
  • Microphone and Headset On/Off Key

Back Panel:

  • Universal Power Connector
  • GPIO- DB-25 (4 Relays & 4 Opto Inputs)
  • Hot Microphone Output
  • Stage Announce (SA) Out
  • Program Input
  • XLR-3M and XLR-3F Powerline Intercom Ports
  • Ethernet Module
  • Built-in Expansion Bays for Optional Interface Modules

Technical Specifications:

NOTE: dBu is an absolute measurement. 0 dBu is referenced to 0.775 volts RMS.

Channels:

  • Four intercom channels
  • Program Audio (Assignable to intercom channels)

Connectors:

  • Intercom Line: (4) 3-pin XLR–M
  • Headset: 4-pin XLR–M
  • USB: Type A & Micro AB
  • Program: 3-pin XLR–F
  • SA (Stage Announce): 3-pin XLR–M
  • Hot Mic / IFB Interface: 1/4" (0.64 cm) phone jack
  • GPI: 25 way D-type female

Microphone Pre-amplifier:

  • Headset Mic Impedance: 200O (Dynamic)
  • Headset Mic Voltage: 1.7V (Electret selectable)
  • Limiter: +23dB
  • The following specified for a route to four-wire output at 0dBu out:
    -Mic Gain: 60dB (Dynamic), 45dB (Electret)
    - Frequency Response: 300Hz – 10kHz ±3dB
    - Contoured for Intelligibility
    - Distortion: <0.2% THD @1kHz
    - Noise: <-55dBu (Dynamic), <-65dBu (Electret)

Headphone Amplifier:

  • Load Impedance: >32O
  • Output Level: +12dBu before clipping
  • Sidetone: -12dBu (selectable)
  • The following specified for a route from a four-wire input at 0dBuin:
    - Max Gain: 0dB
    - Frequency Response: 40Hz - 10kHz ±3dB
    -Distortion: <0.1% THD @ 1kHz
    - Noise: <-65dBu
    - Headphone Limiter:0dBu (selectable)

Loudspeaker Amplifier:

  • Load Impedance: 8O
  • Output Level: +18dBu before clipping
  • The following specified for a route from a four-wire intput at 0dBuin:
    - Max Gain: 18dB
    - Frequency Response: 200Hz - 10kHz ±3dB
    -Distortion: <0.1% THD @ 1kHz
    - Noise: <-50dBu

Program Line Input:

  • Maximum Level Before Clipping: 18dBu
  • Nominal Input Level: 0dBu (selectable)
  • Input Impedance: >= 10KO
  • The following specified for a route to four-wire output at 0dBu out:
    -Frequency Response: 20Hz - 10kHz ±3dB
    - Distortion: <0.2% THD @1kHz
    - Noise: <-65dBu

Stage Announcer Output:

  • Maximum Level Before Clipping: 18dBu
  • Nominal Output Level: 0dBu (selectable)
  • Output Impedance: <= 100O
  • The following specified for a route from a dynamic headset:
    - FrequencyResponse: 300Hz - 12kHz ±3dB
    - Distortion: <0.1% THD @ 1kHz
    - Noise:<-55dBu

Hot Mic Output:

  • Maximum Level Before Clipping: 12dBu
  • Nominal Output Level: 0dBu (selectable)
  • Output Impedance: <= 100O
  • The following specified for a route from a dynamic headset:
    - FrequencyResponse: 300Hz - 12kHz ±3dB
    - Distortion: <0.2% THD @ 1kHz
    - Noise:<-55dBu
    - Main Power
    - Input Voltage Range: 100 - 240VAC
    - InputFrequency Range: 50 - 60Hz
    - Input Power: <= 250VAC
    - Output Voltage:+/-29VDC ± 1V
    - Output Current per Channel: 1.5A (continuous)
    - PowerConnector: IEC60320-1-C14

Environmental:

  • Max temperature is 40º C (104º F)
  • 0 - 90% relative humidity

Dimensions: 19" W x 1.75" H x 13" D (483 x 44 x 320 mm)

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