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The HKB-2X is a 4-channel, two display with shift page, flush mount digital partyline headset and Speaker Station that connects to Helixnet Main or Remote Stations over a single shielded twisted-pair cable. The HKB-2X 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
Any networked program audio feeds (Assignable to intercom channels)
Connectors
Headset: 4-pin XLR–M
Gooseneck Mic: 3-pin Tuchel
As Surface Mount Station:
Intercom line: Screw terminal block (3-way)
DC Power: Screw terminal (2)
Ethernet/PoE: RJ-45
In S-Mount Desktop:
Intercom line: (1) 3-pin XLR-M, (1) 3-pin XLR-F
DC Power: 3-pin to AC adapter (provided)
Ethernet/PoE: RJ-45
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: <-55dBu (Dynamic), <-65dBu (Electret)
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
LS Frequency Response: 180Hz – 11kHz +3dB
Distortion: <0.1% THD @ 1kHz
Noise: <-65dBu
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 third party supplied Ethernet power source (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:
As Wall Speaker: Fits standard ANSI/NEMA OS 1 4-gang wall box
With S-Mount: 10.4"W x 6.9"H x 6.7"D
Weight: 1.5 lbs
