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Room Induction Loops

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Home > Room Induction Loops > All Products
16 - 50sqm Rooms
  • Two variants available.
  • Each kit contains 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
  • 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


50 - 200sqm Rooms
  • A powerful and very cost-effective induction loop amplifier designed to drive a perimeter loop of up to 200 square metres
  • Fully compliant with BS 7594, clause 10 A3 and BS EN 60118-4 when correctly installed
  • Available in a wide range of kit formats – suitable for use in meeting rooms, waiting rooms, TV lounges, health and fitness suites, churches, etc (see kit list below)
  • Up to 200 metres (metal free) coverage – ideal for most ‘free space’ applications
  • Features TWO balanced/unbalanced line level inputs and one microphone input with phantom power for electret microphones
  • Ideal for electrical contractors – no audio connectors or experience required
  • Metal compensation control to improve intelligibility in rooms with high metal content

AKM1 Meeting room kit: PDA200E amplifier; APM plated mic.; ‘AFILS fitted’ sticker
AKR1 Waiting room kit: PDA200E amplifier; APL outreach plate (paging system input); ‘AFILS fitted’ sticker
AKT1 TV / music lounge kit: PDA200E amplifier; AMH handheld mic.; APS scart lead; APJ outreach plate; APL outreach plate; ‘AFILS fitted’ sticker.
AKL1 Lecture room kit: PDA200E amplifier; AMT tie/desk mic.; AML lectern mic.; 2 x APJ outreach plates; ‘AFILS fitted’ sticker.
AKU1 Retail unit kit: PDA200E amplifier; AML lectern mic.; APJ outreach plate; ‘AFILS fitted’ sticker.
AKW1 Place of worship kit 1: PDA200E amplifier; AML lectern mic.; APJ outreach plate; APL outreach plate (audio input for CD/tape deck); ‘AFILS fitted’ sticker.
AKW2/L Place of worship kit 2 (lavalier version): PDA200E amplifier; AMR/LA lavalier radio mic; APQM outreach plate, 2 x APXM outreach plates (for existing mics.); ‘AFILS fitted’ sticker.
AKW2/H Place of worship kit 2: as AKW2/L but with a handheld radio mic.instead of a lavalier mic.
AKH1/L Health & fitness club kit (lavalier mic. version): PDA200E amplifier; AMR/LA lavalier radio mic; APQM outreach plate, APL outreach plate (for CD/tape deck); ‘AFILS fitted’ sticker.
AKH1/H Health & fitness club kit: as AKW1/L but with a handheld radio mic.instead of a lavalier mic.

AK Range systems can be easily expanded to include additional outreach plates and microphones.
See outreach plates and microphones for further details.


200 - 900sqm Rooms
  • Ideal for theatres, cinemas, churches, conference halls and other applications where top quality sound is a must
  • Each unit includes two XLR 3-pin input sockets (one balanced mic. and one switchable balanced mic./line) and one outreach connector
  • Adjustable level controls provided for all inputs – can be used individually or together as a three-input mixer
  • Metal compensation control helps offset the frequency response problems associated with excessive metal in a building
  • Includes a true output current meter and provides visual indication of the amplifier’s compressor action via two LEDs
  • 3.5mm headphone socket allows true monitoring of the output signal
  • Advanced audio signal processing with automatic gain control

Induction Loop Type: Free-standing (optional wall or 2U 19” rack mount kits available); plugtop IEC mains lead provided
Coverage: 200m2 (PDA200/2); 500m2 (PDA500/2); 1000m2 (PDA1000/2)
Dimensions: W 380 x H 80 (2U) x D 220mm; 3.74kg (PDA200/2), 3.46kg (PDA500/2); 4.54Kg (PDA1000/2)
Inputs: 2 x XLR (one mic.; one mic/line) and one outreach connector
Indicators: Loop drive meter; compression (high/low); power on
Controls: 3 x input level controls, loop drive, metal compensation, on/off switch



Accessories and miscellaneous items - Outreach Plates, Microphones, Test Equipment, Cables, etc...

Phase Shifting Loop Kits

DLR Dual induction loop amplifier kits for Phased Array Loops

• A new DLR range of dual induction loop amplifier kits are designed to simply the installation of a ‘phased array’ induction loop system.
• Suitable for use in areas up to 200m2, 500m2 or 1000m2 (dependent on the model purchased)
• Each pre-wired DLR kit features two PDA Pro-Range induction loop amplifiers, an APPS Phase Shifter and two outreach plates providing one
• XLR mic and one dual phono line input.
• Supplied in an attractive 4U enclosure
• Ideal for use in high-profile professional AFILS applications where minimal overspill and consistent loop coverage (i.e. no dead spots) is essential.

What is a phased-array induction loop system?
A phase-array induction loop system works by producing two AFILS signals that are 90° out of phase with each other. These signals are connected to two induction loops laid out in a special overlapping pattern (see inset diagram). The resultant magnetic field is evenly spread within the covered area and the field strength falls off very quickly outside the loop.


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South Yorkshire S17 4DL

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Hearing Loop, 57 Baslow Road, Sheffield, South Yorkshire S17 4DL

0114 2357 717


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