Hearing Loop Systems

SigNET manufactures the UK’s widest range of audio-frequency induction loop equipment for the hard of hearing. From a simple portable loop system for a ticket office to a top quality professional loop system for a cinema or theatre, our PDA RANGE is highly cost effective and includes a wide range of kits to help simplify specification, purchase and installation.

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  • PL1/K1 Portable Hearing Loop Kit

    • Ideal for restricted person to person contact in areas such as banks, post offices, small meeting rooms, reception desks, open plan offices and ticket booths.
    • Supplied with a robust wall-mounting storage shelf.
    • Portable, lightweight design allows the system to be moved easily from location to location.
    • Simple one button operation.
    • Integral high performance microphone.
    • Excellent sound quality.
    • Five years' expected battery life under normal operating/charging conditions.
    • Auto shut-off facility (user selectable for 10, 30 or 60 minutes) helps preserve battery life.
    • Connection of the plug-top charger overrides the timer function to ensure the unit remains operational at all times.
    • Can be used as normal whilst charging.
    • Also available, the PL1/K3 portable hearing loop kit (supplied in a robust plastic storage case but WITHOUT a plastic storage shelf).
  • ML1/K Counter Hearing Loop Kit

    Everything you need to create a high quality stand alone counter hearing loop system for the hard of hearing.

    • Ideal for banks, post offices, small meeting rooms, reception desks, ticket booths and any other application requiring restricted or small area coverage
    • Requires no specialist audio experience or connectors – can be fitted by any competent electrician
    • Space-saving double-gang wall-mounting amplifier fits standard UK 25mm back boxes (requires fixed mains wiring)
    • Omni-directional AMT microphone (supplied) plugs directly into 3.5mm socket on the amplifier’s front
    • Line/outreach socket also provided (max 3 outreach plates per system)
    • User-adjustable mic. sensitivity and engineer-adjustable loop drive and input level controls
    • Meets and exceeds the requirements of BS7594 and EN60118-4 when correctly installed
  • PDA103C Counter Loop Kit

    • Everything you need to create a high-quality fixed hearing loop system for a counter, desktop or ticket booth.
    • Ideal for banks, post offices, small meeting rooms, reception desks, ticket offices and any other application requiring restricted or small area coverage
    • Amplifier includes a 3.5mm microphone input (for use with the AMT microphone supplied), a line level input and an ‘outreach’ socket
    • Metal compensation control helps improve intelligibility in rooms with high metal content
    • Adjustable mic, line level and ‘outreach’ controls.
    • Drive (level) control allows the amplifier’s output stage to be set-up to suit the exact characteristics of the application.
    • State-of-the-art audio processor features an automatic gain control which compensates for poor microphone techniques and helps suppress loud noises, hisses and clicks
    • Limit, Peak, Loop Fault and Power On indicators
    • Designed to be wall-mounted using the keyholes provided
    • Meets and exceeds the requirements of BS7594 and EN60118-4 when correctly installed
  • VL1/B1 Vehicle Hearing Loop Kit

    A powerful hearing loop system ideal for use in cars, taxis, buses and other private/commercial vehicles.

    • Kit includes a compact mini-induction loop amplifier with keyholes for dashboard mounting, a cigarette lighter power adaptor, an AMT microphone, a pre-formed loop and an ‘AFILS fitted’ sticker.
    • Amplifier operates at 12V d.c. (24V vehicle kit also available, order code VL1/B2).
    • Loop can be positioned in the vehicle’s roof lining, under a seat, across the back of a seat or in a door panel to suit the application.
    • Metal compensation control helps combat the frequency response problems caused by metal ‘absorbing’ the magnetic field
    • Optional VL9 lead available for connection to the vehicle’s audio system.
    • Designed and manufactured in the UK.
  • PDA103L/R Small Room Loop Kit

    Two variants available, each containing:

    • Everything you need to create a high quality hearing loop system for a room up to 50m2 (7m x 7m)
    • PDA103L kit ideal for small meeting rooms, council chambers, doctors' surgeries, etc.
    • PDA103R kit ideal for small room applications where equipment needs be mounted above suspended ceilings, etc.
    • Note that a Domestic TV/Music Lounge kit c/w digital TOS-link connector is also available – see our separate PDA103S listing for details
    • PDA103 amplifier includes a 3.5mm microphone input, a line level input and an 'outreach' socket
    • Metal compensation control helps improve intelligibility in rooms with high metal content
    • Adjustable mic, line level and 'outreach' controls.
    • Drive (level) control allows the amplifier's output stage to be set-up to suit the exact characteristics of the application.
    • State-of-the-art audio processor features an automatic gain control which compensates for poor microphone techniques and helps suppress loud noises, hisses and clicks
    • Limit, Peak, Loop Fault and Power On indicators
    • Designed to be wall-mounted using the keyholes provided
    • Meets and exceeds the requirements of BS7594 and EN60118-4 when correctly installed
  • PDA103i Intercom Loop System

    • A self-contained hearing loop system specifically designed to integrate with disabled refuge, door entry and intercom help points.
    • Helps satisfy the accessibility and integrated loop requirements of the Equality Act and the 2018 revision of BS 8300.
    • Housed in an attractive surface-mounting IP65 rated enclosure for use in indoor or outdoor areas.
    • Adjustable controls allow the amplifier’s input and output stages to be set to suit the exact characteristics of the application.
    • Includes internal Limit, Peak, Loop Fault and Power On indicators.
    • Exceeds the requirements of PD IEC TR 63079, BS7594 & EN60118-4 when correctly installed.
  • PDA103S Domestic Loop Kit

    • Includes everything you need to create a high quality domestic hearing loop system for bedrooms, living rooms, TV lounges and studies up to 50m2 in size (7m x 7m)
    • PDA103 amplifier includes a 3.5mm microphone input, a line level input, a digital 'TOS' link connector for connection to TV sets (TV set connection requires separately available TOS-link cable. See main instructions for further details).
    • APL outreach plate also supplied for connection to audio sources.
    • Metal compensation control helps improve intelligibility in rooms with high metal content
    • Adjustable mic, line level, 'digital' and 'outreach' controls.
    • Drive (level) control allows the amplifier's output stage to be set-up to suit the exact characteristics of the application.
    • State-of-the-art audio processor features an automatic gain control which compensates for poor microphone techniques and helps suppress loud noises, hisses and clicks
    • Limit, Peak, Loop Fault and Power On indicators
    • Designed to be wall-mounted using the keyholes provided
    • Meets and exceeds the requirements of BS7594 and EN60118-4 when correctly installed
  • AK Range / 200E Hearing Loop Kits

    • The PDA200E is a wall-mounting hearing loop amplifier that can drive a perimeter loop of up to 200m2 (14m x 14m) in free space/areas with low metal content.
    • Internal drive, level & metal compensation controls.
    • Two balanced / unbalanced line level inputs.
    • One microphone input with 12V phantom power
    • Outreach connector allows up to 10 of our audio input utility plates to be added.
    • Automatic compressor-limiter maintains the loop signal for improved intelligibility.
    • Each input has a separate internal tamper- resistant control that can be manually adjusted.
    • Compression, output (Peak Current 3, 2, 1) and power on (Power) front panel indicators.
    • Short circuit protection.
    • Internal temperature safety cut-out to stop over heating.
    • Wall-mounted metal enclosure for a permanent robust installation.
    • Exceeds the requirements of PD IEC TR 63079 & EN60118-4 when correctly installed.
    • Also available in a variety of 'AK' Range kits for use in meeting rooms, lecture theatres, places of worship, health and fitness suites, elevators and more.
    • In areas over 5m wide with high metal content consider using a phased array loop system instead.
  • PRO/SW Professional Loop Amps

    A range of high performance wall-mounting constant current loop amplifiers.

    • Intuitive graphical interface allows simple set-up of input levels, output current, phantom power and metal compensation.
    • 200m2, 500m2 or 1000m2 coverage (model dependent).
    • 1 x mic with switchable phantom power input and 1 x line input.
    • Outreach connector allows up to 10 of our revolutionary audio input utility plates to be added
    • Anti-tamper lock function prevents unauthorised adjustment of system settings
    • Class D output stage for maximum efficiency and very high output
    • Superior analogue audio processing with a powerful CPU and cutting-edge technology provide life-like speech and frst class music reproduction
    • Short circuit protection against loop faults for increased reliability
    • Fault relay & graphical display provide clear indication of operation and fault status
    • Industry leading dual action automatic gain control compensates for poor microphone technique
    • Line level output for recording or daisy-chaining multiple units to cover larger areas.
    • Exceeds the requirements of PD IEC TR 63079 & EN 60118-4 when correctly installed and complies with EN 62368-1.
    • Designed and manufactured in the UK.
  • PRO5/SD Professional Loop Amps

    A range of high performance free-standing constant current loop amplifiers.

    • Intuitive graphical interface allows simple set-up of input levels, output current, phantom power and metal compensation.
    • 200m2, 500m2 or 1000m2 coverage (model dependent).
    • 1 x mic with switchable phantom power input and 1 x line input.
    • Outreach connector allows up to 10 of our revolutionary audio input utility plates to be added
    • Anti-tamper lock function prevents unauthorised adjustment of system settings
    • Class D output stage for maximum efficiency and very high output
    • Superior analogue audio processing with a powerful CPU and cutting-edge technology provide life-like speech and frst class music reproduction
    • Short circuit protection against loop faults for increased reliability
    • Fault relay & graphical display provide clear indication of operation and fault status
    • Industry leading dual action automatic gain control compensates for poor microphone technique
    • Line level output for recording or daisy-chaining multiple units to cover larger areas.
    • Exceeds the requirements of PD IEC TR 63079 & EN 60118-4 when correctly installed and complies with EN 62368-1.
    • Designed and manufactured in the UK.
  • PRO/DW Phase-Shifting Loop Amps

    A range of high performance wall-mounting constant current phase-shifting loop amplifiers with Class D output stages for maximum efficiency.

    • Perfect for areas where minimal overspill and consistent coverage (i.e. no dead spots) is essential.
    • Intuitive graphical interface allows simple set-up of input levels, output current, phantom power and metal compensation.
    • 200m2, 500m2 or 1000m2 coverage (model dependent).
    • 1 x mic, 1 x line and 1 x optical TOS link input to facilitate easy connection to TVs, soundbars, etc.
    • Outreach connector allows up to 10 of our revolutionary audio input utility plates to be added
    • Anti-tamper lock function prevents unauthorised adjustment of system settings
    • Class D output stage for maximum efficiency and very high output
    • Superior analogue audio processing with a powerful CPU and cutting-edge technology provide life-like speech and frst class music reproduction
    • Short circuit protection against loop faults for increased reliability
    • Fault relay & graphical display provide clear indication of operation and fault status
    • Industry leading dual action automatic gain control compensates for poor microphone technique
    • Line level output for recording or daisy-chaining multiple units to cover larger areas.
    • Exceeds the requirements of PD IEC TR 63079 & EN 60118-4 when correctly installed and complies with EN 62368-1.
    • Designed and manufactured in the UK.
  • PRO5/DD Phase-Shifting Loop Amps

    A range of high performance free-standing constant current phase-shifting loop amplifiers with Class D output stages for maximum efficiency.

    • Perfect for areas where minimal overspill and consistent coverage (i.e. no dead spots) is essential.
    • Intuitive graphical interface allows simple set-up of input levels, output current, phantom power and metal compensation.
    • 200m2, 500m2 or 1000m2 coverage (model dependent).
    • 1 x mic, 1 x line and 1 x optical TOS link input to facilitate easy connection to TVs, soundbars, etc.
    • Outreach connector allows up to 10 of our revolutionary audio input utility plates to be added
    • Anti-tamper lock function prevents unauthorised adjustment of system settings
    • Class D output stage for maximum efficiency and very high output
    • Superior analogue audio processing with a powerful CPU and cutting-edge technology provide life-like speech and frst class music reproduction
    • Short circuit protection against loop faults for increased reliability
    • Fault relay & graphical display provide clear indication of operation and fault status
    • Industry leading dual action automatic gain control compensates for poor microphone technique
    • Line level output for recording or daisy-chaining multiple units to cover larger areas.
    • Exceeds the requirements of PD IEC TR 63079 & EN 60118-4 when correctly installed and complies with EN 62368-1.
    • Designed and manufactured in the UK.