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Contacta Under / Above Counter Loop Kit & Accessories

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  • Under Counter Loop System
  • Above Counter Loop System
Usually dispatched onto Courier Transport within 24-36hrs. Transit time location dependent.
Calculated at checkout

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Product Description

2 Year Australian Warranty
Australian Model
Technical Support 1800 818 360

Overview Specifications

Key Features

 Microprocessor control

 80% Power saving in Energy-Saving "green" standby mode

 Continuous self-testing

 Constant-current loop drive

 Advanced audio processing features AGC, compression and noise gate


Contacta Under Counter Loop Kit

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"Under the Counter" Loop Kit

Our "Under the Counter" loop kit provides clear communication with hearing aid wearers, especially where high background noise is a problem or clear speech is restricted.

It has a exible aerial that can be bent to shape, allowing it to be installed into many di erent positions.

The kit includes our halo indicator noise cancelling microphone as standard for high performance and self-testing. Our small omni-directional mouse microphone is also compatible with this system.



Our 1 to 1 loop driver has the following features

  • Microprocessor control
  • Energy-saving “green” standby mode is achieving a power saving of up to 80% during quiet periods
  • Advanced audio processing features AGC, compression, and noise gate
  • Constant-current loop drive
  • Continuous self-testing
  • Isolated audio line input allows the driver to take alternative audio sources (optional)
  • Power and LED status indication



  • CE, ROHS and WEEE compliant
  • BS EN 60118-4, in correct installations



For use in any situation where one to one communication takes place at a counter, booth or desk, such as in:

  • Banks
  • Post offices
  • Supermarkets
  • Theatres
  • Information centres
  • Airports



Under Counter Loop Kit
  • HLD2 driver
  • Under counter loop aerial*
  • M72 Halo Mic
  • Power supply
  • Signage
* Aerial can be bent to shape to suit a variety of counters


Under Counter Loop Kit + Loop Sign with Built-In Aerial
  • HLD2 driver
  • M72 Halo Mic
  • Power supply
  • Loop sign with built-in aerial



Technical Data 
Inputs Input1 (Microphone) Screw terminals on 3.8mm 2 pole Phoenix connector. Single-ended electret microphone, powered by 5V via 2.2K ohms
Input2 (Line) (Optional) Screw terminals on 3.8mm 2 pole Phoenix connector. Transformer isolated, 0dBu into 1K ohms, may have series resistance added for optional 75V or 100V line inputs
Power Centre positive power jack, 14V DC 2A via 2.1mm from our P55 power supply unit
Loop output Loop connection Screw terminals on 3.8mm 2 pole Phoenix connector
Loop drive current 2A RMS compliance current @ 1Khz sine wave
Loop drive voltage 4V RMS compliance voltage @1KHz sine wave
Audio Frequency response 100Hz–5kHz (±3dB)
Distortion Better than -40dB, inputs at nominal level
Automatic gain control Processor controlled Dynamic range: 40dB typical
Attack time: 10 milliseconds
Release time: typically 10 seconds, varies with program content
Indications Status LEDs 3 colour LEDs indicate power , input and output diagnostic information
Connection provided for our LED halo indicator microphone
Self Test Microprocessor controlled Unit, including microphone and loop connections is continuously monitored, and internal and external LED indicators are updated
Energy saving Sound activated Unit will enter low energy “sleep” mode when acoustic conditions indicate lack of usage


Physical Data 
Dimensions Height – 116mm (4.57")
Width – 116.2mm (4.58")
Depth – 40mm (1.57")
Weight 300g (1.76lbs)

ABS Plastic Construction Housing


Matt Black, Fine Texture

Warranty Information

2 Year Australian Warranty

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