ListenIR 1-Channel Transmitter
Last updated Nov 1, 2026 · 2 entries in Page history
The LT-82-01 is the North America version of the ListenIR 1-Channel Transmitter from Listen Technologies. It carries mono or stereo audio on one selectable carrier and feeds up to two LA-140 radiators.
As the source prints itNumber of ChannelsFour (4) channels. Selectable one (1) channel per transmitter (mono or stereo)Press to see it in the sheet ↓
As the source prints itFrequency Response63 Hz - 15 kHz (+/- 3 dB)Press to see it in the sheet ↓
As the source prints itRack MountingOne (1) rack space high (1U), 1/2 rack space wide. One (1) or two (2) transmitters can be mounted in a single rack space. Optional Rack mount (LA-326) not included.Press to see it in the sheet ↓
As the source prints itWeight2.6 lbs. (1.18 kg)Press to see it in the sheet ↓
- Part number or model
- LT-82-01
- Catalog number
- Not assigned yet
- Searched on PriceQ as
- “LISTEN TECHNOLOGIES LT-82-01”
Timeline
Dates from the sources in References
- June 11, 2015Named in a press release on the Broward County Courthouse
- June 17, 2015Shown in the ListenIR range at InfoComm 2015
- March 3, 2022Supplier's Declaration of Conformity dated
- 08/18/2022EU Declaration of Conformity dated
- 08/18/2022UK Declaration of Conformity dated
- June 19, 2026Hong Kong Declaration of Conformity dated
Specifications
54 fields, as the sources state them
Overview
- Item
- LT-821
Configurations
- Configurations
- LT-82-01 Stationary IR Transmitter (North America)* LT-82-02 Stationary IR Transmitter (Asia, UK)* LT-82-03 Stationary IR Transmitter (Euro)* LT-82-04 Stationary IR Transmitter (Australia)* *01, 02, 03, and 04 designation refers to international plug type (type B, G, F, and I) for the power supply.1
Includes
- Includes
- One (1) LT-82 ListenIR 1-Channel Transmitter One (1) LA-205 30 VDC Extension/Replacement Power Supply for LA-140/LT-82 One (1) LA-89 Interconnection Coaxial Cable One (1) Quick Reference Card1
Audio
- Frequency Response
- 63 Hz - 15 kHz (+/- 3 dB)1
- Signal-to-Noise Ratio
- Mono: > 60 dBStereo: > 52 dB1
- System Distortion
- < 2% total harmonic distortion (THD)1
- Audio Input 1
- Mono Input (Rear Panel). Female-XLR and 1/4 in. combo connector, balanced, 0/-55 dBu (line/mic) nominal input level adjustable; +21/-30 dBu (line/mic) maximum input level; impedance 20k/1k ohms (line/mic); phantom power +12 VDC1
- Audio Input 2
- Stereo or Mono Input (Rear Panel). Two (2) Phono connectors, unbalanced, -10/+10 dBu nominal input level adjustable, +30 dBu maximum, impedance 100k1
- Audio Processing
- Compression can be turned on/off.1
- Contour
- Cuts and boosts frequencies above 5 kHz1
- Monitor Output
- Front panel. One (1) 3.5 mm (0.14 in.) connector, unbalanced, adjustable output level, +7 dBu maximum, impedance 10 ohms. 100 mW, 32 ohms1
- Audio: Output/s
- Input 1 and Input 2 Mixed Output (Rear panel). Two (2) Phono connectors, unbalanced, -10 dBu nominal output level, +19 dBu maximum, impedance 10 ohms1
Controls
- Programming
- Stereo on/off, Processing on/off1
- Front Panel
- Power, Test Tone on/off, Channel up/down, Input Level, Transmit Level, Contour, Monitor Level1
- Rear Panel
- Input 1 Level (Line, Mic, Mic-Phantom Power), Input 2 Level (-10/+10 dBu)1
- Internal Adjustments
- Compression ratio for audio processor. Slope adjustable from 1:1 to 4:1. Default 2:11
Indicators
- LCD
- Channel designation, lock status, RF Carrier, programming (front panel)1
- Unit Power
- Red LED illuminates when the unit is powered up (front panel)1
- Input 1, Input 2, Transmit Level
- Indicates Input 1, Input 2, and Transmit audio levels. 10 segment LED's (8 green, 2 red)1
- Stereo
- Indicated by a green LED when on (front panel)1
- Processing
- Indicated by a green LED when on (front panel)1
- RF Carrier
- Indicates carrier is active on the LCD Display (front panel)1
- Test Tone
- Red LED illuminates when test tone enabled (front panel)1
RF
- Input/s
- One (1) BNC connector, for connection from additional transmitter(s). 50 mV, 50 ohm, -15 dBm1
- RF: Output/s
- Two (2) BNC connectors, for connection to radiator(s) and/or additional transmitter(s). 50 mV, 50 ohm, -15 dBm1
- Carrier Frequencies
- 2.3 MHz, 2.8 MHz, 3.3 MHz, 3.8 MHz1
- Number of Channels
- Four (4) channels. Selectable one (1) channel per transmitter (mono or stereo)1
- Frequency Accuracy
- +/- .005% stability 0 to 50 °C1
- Carrier Shut Off
- Carrier will shut off when no audio is present for 30 minutes to preserve radiator life.1
- Transmitter Stability
- 50 PPM1
Power
Physical
- Width
- 8.50 in. (21.5 cm)1
- Height
- 1.75 in. (4.5 cm)1
- Depth
- 9.13 in. (23 cm)1
- Color
- Dark Grey1
- Unit Weight with Power Supply
- 3.8 lbs. (1.72 kg)1
- Shipping Weight
- 6.0 lbs. (2.7 kg)1
- Rack Mounting
- One (1) rack space high (1U), 1/2 rack space wide. One (1) or two (2) transmitters can be mounted in a single rack space. Optional Rack mount (LA-326) not included.1
- Weight
- 2.6 lbs. (1.18 kg)1
- Power Line Cord
- IEC line cord, North America Type B (LT-84-01), Asia and UK Type G (LT-84-02), Euro Type F (LT-84-03), Australia Type I (LT-84-04)1
Environmental
Compliance
- Standards
- FCC Part 15, Industry Canada, CE, RoHS, UL1
History
- Listen Technologies’ IR Assistive Listening System Installed in Over 70 Courtrooms at the New Broward County Courthouse in Fort Lauderdale, Florida
- BLUFFDALE, UT, June 11, 20153
- Listen Technologies Displays Complete ListenIR Range at InfoComm 2015
- INFOCOMM, ORLANDO, FL, June 17, 20154
- Supplier's Declaration of Conformity: Date
- March 3, 20225
- EU Declaration of Conformity: Date
- 08/18/20226
- UK Declaration of Conformity: Date
- 08/18/20227
- Declaration of Conformity (Hong Kong): Date
- June 19, 20268
Sources: listentech.com, ListenIR 1-Channel Transmitter page, read Nov 1, 2026 UTC; listentech.com, Press release, dateline, read Nov 1, 2026 UTC; listentech.com, Press release, dateline, the release names the LT-82 Stationary IR Transmitter, read Nov 1, 2026 UTC; listentech.com, Supplier's Declaration of Conformity for models LT-82 and LA-140, Date line, read Nov 1, 2026 UTC; listentech.com, EU Declaration of Conformity for models LT-82 and LA-140, Date line, read Nov 1, 2026 UTC; listentech.com, UK Declaration of Conformity for models LT-82 and LA-140, Date line, read Nov 1, 2026 UTC; listentech.com, Declaration of Conformity, section 6, Date line, read Nov 1, 2026 UTC.
Size and weight
Inches and pounds, millimetres and kilograms
The product
| What | Inches and pounds | Millimetres and kilograms |
|---|---|---|
| Dimensions | W8.50 | W21.5 |
| Weight | 2.6 lb | 1.18 kg |
| WeightWith power supply | 3.8 lb | 1.72 kg |
The packaging
| What | Inches and pounds | Millimetres and kilograms |
|---|---|---|
| WeightShipping weight | 6.0 lb | 2.7 kg |
Figures in black are the maker’s. Figures in grey are converted by the wiki (1 in = 25.4 mm, 1 lb = 0.45359237 kg).
Compare with
11 of the same family on the wiki
Listen Technologies · Assistive listening componentLA-423-01Side by side with LT-82-01 →
Listen Technologies · Assistive listening componentLA-453Side by side with LT-82-01 →
Listen Technologies · Assistive listening componentLA-481-01Side by side with LT-82-01 →
Listen Technologies · Assistive listening componentLR-3200-072Side by side with LT-82-01 →- No confirmed photo of this modelListen Technologies · Assistive listening componentLR-400-072Side by side with LT-82-01 →
Williams AV · Assistive listening componentEAR 013Side by side with LT-82-01 →
Williams AV · Assistive listening componentPPA R37 HDSide by side with LT-82-01 →
Williams AV · Assistive listening componentPPA R37NSide by side with LT-82-01 →
More from Listen Technologies
9 pages on the wiki
- Listen TechnologiesLA-423-01
- Listen TechnologiesLA-453
- Listen TechnologiesLA-481-01
- Listen TechnologiesLR-3200-072
Documents
6 linked, none copied here
References
8 sources, each with the day it was read
- listentech.com, ListenIR 1-Channel Transmitter page, read Nov 1, 2026 UTC. Supports 48 specifications, the related products, the documents
- listentech.com, ListenIR Support page, Technical Documentation, read Nov 1, 2026 UTC. Supports the documents
- listentech.com, Press release, dateline, read Nov 1, 2026 UTC. Supports 1 specification
- listentech.com, Press release, dateline, the release names the LT-82 Stationary IR Transmitter, read Nov 1, 2026 UTC. Supports 1 specification
- listentech.com, Supplier's Declaration of Conformity for models LT-82 and LA-140, Date line, read Nov 1, 2026 UTC. Supports 1 specification
- listentech.com, EU Declaration of Conformity for models LT-82 and LA-140, Date line, read Nov 1, 2026 UTC. Supports 1 specification
- listentech.com, UK Declaration of Conformity for models LT-82 and LA-140, Date line, read Nov 1, 2026 UTC. Supports 1 specification
- listentech.com, Declaration of Conformity, section 6, Date line, read Nov 1, 2026 UTC. Supports 1 specification
Page history
Every read and every change to this page, newest first
- Page created from the maker’s page, among the products buyers searched on PriceQ. Product type proposed. Descriptions written at three lengths from the specifications.Claude Opus (AI agent) · Not reviewed yet
- Read on listentech.com: ListenIR 1-Channel Transmitter page; ListenIR Support page, Technical Documentation; Press release, dateline; Press release, dateline, the release names the LT-82 Stationary IR Transmitter; Supplier's Declaration of Conformity for models LT-82 and LA-140, Date line; EU Declaration of Conformity for models LT-82 and LA-140, Date line; UK Declaration of Conformity for models LT-82 and LA-140, Date line; Declaration of Conformity, section 6, Date line.Claude Opus (AI agent) · Not reviewed yet
The descriptions are written by the wiki from the specifications above, never copied from the maker.
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