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Listen ILD122

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You Pay: $849.00 QTY
  • Lifetime Tech Support
  • Best Seller!
  • Q & A

Professional Loop Driver (3.5 Amps)


The ILD122 is a compact (one-half RU) professional audio hearing loop driver capable of driving loop areas in excess of 2,150 sqft. (200 m(2)) with an unsurpassed clarity of sound for both music and speech for superior intelligibility. Based on proven and highly reliable technology it is backed by a 5 year warranty and Listen technical support. Improved power output provides outstanding value without compromise. It boasts all the usual features such as metal loss correction and is compatible with our unique Ultra-low Spill technology. The ILD122 is a compact and elegant unit suitable for freestanding, wall mounting or rack mounting.


  • The ILD122 delivers years of trouble free service to ensure venues will never disappoint people with t-coil equipped hearing aids or receivers.
  • Ideal for assistive listening applications in places of worship, theaters, schools, conference rooms, training facilities and hotels.
  • Continuous delivery of up to 3.5 amps under varying load conditions ensures the driver will operate under a variety of installation conditions.
  • Optimized sound quality and audio processing ensures that people with t-coil equipped hearing aids or receivers will be delighted with the experience.
  • Design, installation training, support and certification ensures the loop system meets the demands of customers.
  • Extensive audio and loop options delivers the right solution in a variety of applications.


  • Audio:
  • Frequency Response: 80 Hz to 6.5 kHz +/- 3 dB
  • Distortion: THD+N <0.2 %, 1 kHz Sine Wave at Full Current
  • AGC: Optimized for Speech, Dynamic Range >36 dB
  • Gain Control: Front recessed input level control
  • Metal Loss Correction: Correct system frequency response due to metal structures
  • Perimeter Loop - Coverage:
  • 1: 1 Aspect Ratio: 1,290 sgft. (120 m(2))
  • 2: 1 Aspect Ratio: 1,615 sgft. (150 m(2))
  • 3: 1 Aspect Ratio: 2,150 sgft. (200 m(2))
  • Condition 1: Loop must be 3-6 ft. (1-2 m) above or below the receiver height
  • Condition 2: There should be no metal structures in the plane of the loop
  • Condition 3: There must be sufficient voltage to drive the loop
  • Cable Length:
  • 10 AWG Copper: Max distance at full current - 357 ft. (109 m)
  • 14 AWG Copper: Max distance at full current - 330 ft. (101 m)
  • 18 AWG Copper: Max distance at full current - 224 ft. (68 m)
  • 22 AWG Copper: Max distance at full current - 125 ft. (38 m)
  • FB1.8 Flat Copper Tape: Max distance at full current - 436 ft. (133 m)
  • Low Spill System:
  • Required to Achive Low Spill: One (1) SP5 90 Audio Phase Shifter, Two (2) ILD122 Loop Drivers and Array Design
  • Array Design: Provided or checked by Listen
  • Spill Distance from Edge of Room: -40 dB at 5 ft. (1.5 m)
  • Inputs:
  • Power: 230/115 VAC, 84W, 45-65 Hz, Power Switch/Led on Front Panel
  • Power Certification: ETL Listed
  • Microphone Input: XLR Balanced, -70 dBu Input, 200-6000 Ohms, +15 VDC Phantom Power
  • Line Input: 1/4 in. (6.4 mm), -30 dBu Input, Overload Protected
  • Slave I/O: 1/4 in. (6.4 mm), Insert Point for SP5 90 Audio Phase Shifter, 0 dBu
  • Ouputs:
  • Drive Voltage: 7.1 V (RMS) at Maximum Ouput Current
  • Drive Current: 3.5 A (RMS), 5.0 A (Peak) with 1 kHz Sine Wave
  • Drive Current Peaks: Short Term >7 A
  • Drive Current Indication: 4-LED Display Front Panel, 3 dB Increments
  • Loop Connector: Wieland ST17/2
  • Other:
  • Fault Monitoring: LED Fault Indicators, Overload, Overhead, Loop Error
  • Remote Fault Monitoring: Relay Contacts
  • Ancillary: +/- 15 VDC, 0.15 A, Power Outlet to Power Accessories
  • Cooling: Natural Convection
  • Physical:
  • Size: 1 RU in 19 in. Rack, 8.5 x 8.7 x 1.7 in. (215 x 220 x 44 mm) (WxDxH)
  • Mounting Options: Freestanding
  • Weight: 5.0 lbs. (2.25 kg)
  • Environment: IP20 Protection, 20 to 90% Relative Humidity, 32 F (0 C) to 95 F (35 C)


  • One (1) ILD122 Professional Loop Driver (3.5 Amps)
  • One (1) "T" Logo Installed Adhesive Sign - Large (11.7" x 8.3")
  • One (1) Line Cord (North America)
  • One (1) Wieland ST17/2 Connector
  • One (1) Handbook and Installation Instructions

Q & A

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MFR Part Number
Product Category
Conference Systems
Unit of Measure
Shipping Weight
6.20 lbs.
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