The Clear-Com HXII-KB-X4 is a 4-gang flush-mountable speaker station designed for seamless integration with HelixNet wired partyline intercom systems. It features an intuitive front panel with OLED displays, backlit keys, and programmable keysets for easy communication control. The HXII-KB-X4 supports both headset and hands-free operation, includes program audio level control, and offers a swiveling display for optimal visibility.

With Ethernet and Powerline connectivity, this unit supports PoE operation and connects easily to Arcadia Central Station or HMS-4X hosts. Designed for flexibility, it can be flush-mounted or desktop-mounted with an optional enclosure. The HXII-KB-X4 enables up to 24 licensed channels and supports up to 128 HelixNet endpoints, ensuring reliable, scalable communication for broadcast, theater, and live event applications.

Clear Com HXII-KB-X4 Key Features:

  • 4-gang flush-mountable design with optional desktop enclosure

  • OLED displays and backlit keys for easy operation

  • Supports headset or hands-free communication

  • Two keysets assignable to channels, plus shift for 4-channel use

  • Ethernet and Powerline connections with PoE support

  • Works with Arcadia Central Station or HMS-4X

  • Central configuration via CCM browser

  • Scalable HelixNet system with up to 128 endpoints

Technical
Specifications

HelixNet System Hosts

Arcadia: Supports up to 128 HelixNet User Stations over Ethernet or Powerline via the HXII-DPL Powerline Device. Up to 24 Channels can be HelixNet Enabled using a Licensed Port for assignment to any HelixNet User Station keyset.

HMS-4X: Supports up to 64 endpoints (Remote Stations, Speaker Stations, Beltpacks, HLI-2W2, HLI-4W2, LQ port). User stations can connect directly to the 2 HMS-4X Powerlines or via optional HLI-ET2 module using HXII-DPL Powerline Device or 3rd party network switch connection. HMS allows use of 12 channels which can be expanded to 24 using optional license.

 
Connectors

Powerline: Powerline, Terminal Block 5 pole, 5mm pitch

Ethernet/PoE: RJ45

Headset: 4-pin XLR–M or 7-pin XLR-M with (2) PTT GPI (-X7)

Gooseneck Mic: 3-pin Tuchel

Power Connector: Terminal Block 2 Pole, 5mm

 
Microphone Pre-amplifier

Headset Mic Impedance: 200Ω (Dynamic)

Headset Mic Voltage: 1.7V (Electret selectable)

Limiter: +23dB

 

Route to four-wire output at 0dBu out:

Mic Gain: 60dB (Dynamic), 45dB (Electret)

Frequency Response: 300Hz - 10 kHz ± 3dB, contoured for intelligibility

Distortion: <0.1% THD @ 1kHz

Noise: <-65dBu

Headphone Limiter: 0dB (selectable)

 
Headphone Amplifier

Load Impedance: >32Ω 

Output Level: +12dBu before clipping

Sidetone: -12dB (selectable)

 

Route from a four-wire input at 0dBu in:

Max Gain: 0dB

Frequency Response: 40Hz - 10kHz ±3dB

Distortion: <0.1% THD @ 1kHz

Noise: -65dBu

Headphone Limiter: 0dB (selectable)

 
Loudspeaker Amplifier

Load Impedance: 8Ω 

Output Level: +18dBu before clipping

 

Route from a 4-wire input at 0dBu in:

Max Gain: 18dB

Frequency Response: 200Hz - 10kHz ±3dB

Distortion: <0.1% THD @ 1kHz

Noise: <-50dBu

 
Logic Inputs - PTT/GPI (-X7 only)

Assignable to talk, call, mic and headset keys

Input: 2

Style: Powered input, close contact to ground

Detection Voltage (Min): 3V

Input Voltage (Max): 5V

Output Voltage: 5V

Output Current (Max): 1mA

 
Device Power

Voltage: 48V DC

Current (Max): 0.3A

Power (Max): 14.4W

BTU (Max): 49BTU/hr

Input Power Connector: Terminal Block 2 Pole, 5mm

 

This unit can be powered via:

AC Adapter - Wall (not included)

Input Voltage Range: 100 - 240V AC

Input Frequency Range: 50 - 60Hz

Input Power Connector: Universal

Output Voltage: 48V DC

Output Power (Max): 15W

Output Power Connector: KPPX-3-P

List price: $2,060.00
Price: $2,060.00
SKU: Clear Com HXII-KB-X4
Catalog: 
Intercom
Brand: 
Clear Com
Dimensions: 9 in × 5 in × 3 in
Weight: 1.2 lb