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The HRM-4X is a 4-channel 1RU digital partyline headset and speaker Remote Station that connects to HelixNet HMS-4X Main Stations and other HelixNet user stations over a single shielded twisted-pair cable. The HRM-4X can be locally powered via an external power supply or third party Power-over-Ethernet (PoE) power source.
Product Features:
Technical Specifications:
Channels
Four local from any networked Main Station
One local and any networked program audio feeds (Assignable to intercom channels)
Connectors
Intercom Line: (1) 3-pin XLR-M, (1) 3-pin XLR-F
Ethernet/PoE: Ethercon RJ-45
Headset: 4-pin XLR–M
Gooseneck Mic: 3-pin Tuchel
USB: Type A
Program: 3-pin XLR–F
SA (Stage Announce): 3-pin XLR–M
Hot Mic/IFB Interface: 1/4" (0.64 cm) phone jack
GPIO: 9 way D-type male (1xGPI, 1xGPO)
DC Power: 3-pin to AC adapter (provided)
Microphone Pre-amplifier
Headset Mic
Impedance: 200Ω (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 – 10 kHz ±3dBContoured for Intelligibility
Distortion: <0.2% THD @ 1kHz
Noise:
Headphone Amplifier
Load Impedance: >32Ω
Output Level: +12dBu before clipping
Sidetone: -12dBu (selectable)
Max Power: 5W
The following specified for a route from a four-wire input at 0dBu in:
Max Gain: 0dB
Frequency Response: 180Hz – 11kHz +3dB
Distortion: <0.1% THD @ 1kHz
Noise: <-65dBu
Headphone Limiter: 0dBu (selectable)
Loudspeaker Amplifier
Load Impedance: 8Ω
Output Level: +18dBu before clipping
The following specified for a route from a four-wire input at 0dBu in:
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: >= 10KΩ
The following specified for a route to four-wire output at 0dBu out:
Frequency Response: 20Hz - 10kHz ±3dB
Distortion: <0.2% THD @ 1kHz
Noise: <-55dBu
Stage Announce Output
Maximum Level Before Clipping: 18dBu
Nominal Output Level: 0dBu (selectable)
Output Impedance: <= 100Ω
The following specified for a route from a dynamic headset:
Frequency Response: 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: <= 100Ω
The following specified for a route from a dynamic headset:
Frequency Response: 300Hz - 12kHz ±3dB
Distortion: <0.2% THD @ 1kHz
Noise: <-55dBu
Main Power
Via AC Adapter:
Input Voltage Range: 100 - 240VAC
Input Frequency Range: 50 - 60Hz
Input Power: <= 250VAC
AC Adapter Power
Connector: IEC60320-1-C14
Via Power over Ethernet (PoE):
Connector: RJ-45
Conforms to PoE
standard: IEEE 802.3af-2003
Power Required: 13W
Environmental
Max temperature is 104°F
0 - 90% relative humidity
Dimensions: 19" W x 1.75" H x 6.4" D
Weight: 4 lbs
