Overview

Clear-Com HelixNet HKB Speaker Station: 2/4Ch, Program Audio, (2) GPI, Flush Mount with 7 pin XLR-Male headset - HKB-2X-X7

HXII-KB/HKB-2X Speaker Station

The HXII-KB/HKB-2X Speaker Station from Clear-Com is a cutting-edge intercom solution engineered for high-performance communication in demanding broadcast and live event settings. Designed to seamlessly integrate with Clear-Com’s HXII and other intercom systems, this speaker station delivers exceptional audio clarity and reliability. The HXII-KB/HKB-2X is equipped with advanced features that enhance user control and communication efficiency, making it a vital tool for professionals in the industry.

Built with a focus on durability and ease of use, the HXII-KB/HKB-2X features a robust design that can endure the rigors of professional environments. Its intuitive interface includes programmable keys and a high-resolution display, allowing users to manage communication channels and settings with ease. The speaker station supports a variety of configurations and connections, ensuring it meets the specific needs of any production setup, whether it’s in a broadcast studio, on stage, or in a control room.

The HXII-KB/HKB-2X is not only about performance but also flexibility. It supports multiple HelixNet system hosts, making it adaptable to various communication needs. The unit’s advanced audio technology ensures clear, distortion-free sound, while its ergonomic design enhances user comfort and efficiency. With its combination of high-quality audio performance, flexibility, and user-friendly features, the HXII-KB/HKB-2X is an ideal choice for any professional intercom system.

Key Features

• High-quality audio performance for clear and reliable communication
• Seamless integration with Clear-Com HXII and other intercom systems
• Ergonomic design with user-friendly controls and high-resolution display
• Programmable keys for quick access to communication channels and settings
• Supports multiple HelixNet system hosts for flexible configurations

Technical Specifications

• Dimensions
  • 5" x 8.2" x 2.4"
  • (114 x 209 x 61mm)
• Weight
  • HXII-KB: 15.2 oz (0.43 kg)
  • HKB-2X: 18.8 oz (0.53 kg)
• Connectors
  • 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
  • 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)
  • 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
  • Max Gain: 18dB
  • Frequency Response: 200Hz - 10kHz ±3dB
  • Distortion: <0.1% THD @ 1kHz
  • Noise: <-50dBu
• Logic Inputs - PTT/GPI (-X7 only)
  • 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
  • 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
  • PoE - Power over Ethernet
  • IEEE 802.3af-2003 - Class 0
  • PSE: 15.4W DC max @ Power Source Req.
  • PD: 12.95W DC max @ Powered Device Draw
  • Note: HelixNet Speaker Station must be earthed to a clean ground when PoE is used. Preferably with the screen of a shielded CAT5/6 cable.
• Powerline
  • Input Voltage: ±29.5V DC
  • Input Current (Speaker Off): 0.3A
  • Input Current (Max): 0.5A
  • Powerline Utilization:
  • Speaker Station (Local Power) = 1 beltpack
  • Speaker Station (Speaker Off) = 2 beltpacks
  • Speaker Station (Speaker On) = 3 beltpacks
  • Note the maximum Powerline capacity of the HMS-4X.
  • Use HelixNet Cable Calculator to validate load and cable distance.
• Environmental
  • 32º - +113ºF (0 - +45ºC)
  • 90% relative humidity
• Network Specifications (Firmware Version 4.5+)
  • Network Protocols
  • Ethernet IPv4 – Unicast Audio and Control
  • mDNS – Multicast Device Discovery
  • Layer 3-Routable w. mDNS function limitations
  • HTTP-Management
  • V. Core–Decentralized Network Routing & Mixing
  • IVP-Proprietary intercom Audio and Control
  • WavPack – Audio Codec
  • Network Ports
  • Unicast:
  • Port 80 TCP – System Management
  • Port 6001 TCP – System Management
  • Port 6001 UDP - Audio Streams
  • Multicast:
  • Port 5353 UDP – mDNS, Names, Discovery, Linking
  • Optional for device names and linking
  • Network Parameters
  • HMS-4X Endpoint Resource Use: 1
  • Bandwidth:
  • 300 (max) kbps from each Speaker Station to Arcadia/HMS-4X
  • 1200 (max) kbps from Arcadia/HMS-4X to Speaker Station
  • Network Jitter Tolerance: <= 128ms jitter buffer per audio stream receiver automatically adjusted to network performance
  • QoS tags: DSCP=34 Assured Forwarding (AF=41)
  • Link-Local Default IP address range: 169.254.0.0/16
  • System reserved IP range: 10.0.0.0/8 for endpoints
• Recommended Ethernet Switches
  • Managed Ethernet Switch – Layer 3
  • 100/1000 Base-T ports for endpoints
  • 1000 Base IP Trunks between switches
  • QoS configuration
  • Energy Efficient Ethernet bypass option
  • IGMP Snooping bypass option