• 4-Port 1RU Panel for 2-Wire Interfacing
  • Intercom-over-IP: routing intercom and audio signals over IP networks
  • Up to 6 LQ devices can be networked to create standalone partyline intercom group
  • Supports up to 8 SIP client connections per LQ device (license required)
  • Supports up to 8 Agent-IC and Station-IC clients per LQ device (license required)
  • Connects to HelixNet via HLI-ET2 over LAN or WAN
  • Add up to 24 ports of audio I/O per HelixNet Main Station by connecting to LQ Series
  • Adjustable bandwidth on a per port basis
  • 2-wire powering, termination and auto-nulling
  • Compatible with Clear-Com and RTS systems
  • Female and Male XLR connectors at each port
  • Network-friendly OPUS Codec
  • Browser-based Core Configuration Manager application
  • Networked Control Events for multi-unicast one-to-many routing
Item Part Number:


LQ Firmware Release 4.2 now enables users to save and recall their configuration settings and manage how the device is used with a new LQ Resource Calculator.

Technical Specifications


Resolution: 12 bit
Sample Rate: 24kHz
Frequency Response: 100 – 12kHz

Partyline Audio

Input Gain: -3dB to +3dB
Output Gain: -3dB to +3dB

Network Setting
Bit Rates: 16, 32, 48, 64, 128Kbps
Packet Size: 5, 10, 20, 40, 60ms
Jitter Buffers: 0 – 1000ms


Network/LAN: EtherCON/RJ45 (female)
Partyline Audio I/O: 3 Pin XLR (female)

Partyline Output Current

Type: Clear-Com & RTS TW
Local DC Powered: 250mA per pair of PL ports (500mA total)

Power Supply

In-line supply with sleeve locking connector
Input: 100-240V, 50-60Hz, 1.4A MAX
Output: DC 12V, 5A, 60W MAX


Operating Temperature: +32°F – +104°F
(0°C – +40°C)
Storage Temperature: -67°F – +158°F
(-55°C – +70°C)
Humidity: 90%, non-condensing


19 x 1.79 x 8.8in (WxHxD)
(483 x 46 x 224mm)


4.29lbs (1.95kg)

Associated Products

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