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Description
Listen Technologies ListenIR LT-82 1-Channel TransmitterThis LT 82 1 Channel Transmitter from Listen Technologies takes the desired audio signal and transmits the signal via coaxial cable to one or more LA 140 IR radiator emitters. The LT 82 can be operated in mono or stereo on one of four different carriers, and up to four LT 82 units may be connected to provide up to four mono or stereo carriers to the radiator(s). The LT 82 generates DC power to power up to two LA 140 radiator emitters. Two LT 82 units
This LT-82 1-Channel Transmitter from Listen Technologies takes the desired audio signal and transmits the signal via coaxial cable to one or more LA-140 IR radiator-emitters. The LT-82 can be operated in mono or stereo on one of four different carriers, and up to four LT-82 units may be connected to provide up to four mono or stereo carriers to the radiator(s). The LT-82 generates DC power to power up to two LA-140 radiator-emitters. Two LT-82 units can be rack-mounted in a single rack space using the LA-326 rack mounting kit. The LT-82 may be used for government compliance (such as ADA), assistive listening, language interpretation, live theater, houses of worship, courtrooms, secure rooms, and for auditory description.
- Secure wireless communication, suitable for applications where isolation of the signal is important
- Up to four mono or stereo channels; no need to sacrifice multiple channels to achieve stereo transmissions (one LT-82 is required for each channel)
- Transmitter can power two radiators/emitters (LA-140), using Cat5 cabling
- Easy to specify, install, and use
- Performance ensures clear sound for listeners
- True stereo audio (left and right) is transmitted on a single carrier frequency
In the Box
Listen Technologies ListenIR LT-82 1-Channel Transmitter
- 30 VDC Power Adapter for LA-140/LT-82
- Interconnection Coaxial Cable
- Limited 5-Year Warranty
| Audio | |
|---|---|
| Frequency Response | 63 Hz to 15 kHz (+/- 3 dB) |
| Signal to Noise Ratio (SNR) | Mono: >60 dB Stereo: >52 dB |
| System Distortion | <2% total harmonic distortion (THD) |
| Input | Input 1: 1x Female XLR or 1/4" combo connector, balanced, 0 / -55 dBu (line/mic) nominal input level adjustable, -30 / +21 dBu (line/mic) maximum input level, impedance 20 k / 1 kOhm (line/mic), phantom power 12 V DC - on rear panel Input 2: 2x phono connectors, unbalanced, -10 / +10 dBu nominal input level adjustable, +30 dBu maximum, impedance 100k ohm - on rear panel |
| Output | Input 1, Input 2, mixed output on rear panel: 2x Phono connectors, unbalanced, -10 dBu nominal output level, +19 d Bu maximum, impedance 10 ohms |
| Audio Processing | Compression can be turned on or off |
| Controls/Indicators | |
|---|---|
| Controls | Front Panel: Power, Test Tone on/off, Channel up/down, Input Level, Transmit Level, Contour, Monitor Level Rear Panel: Input 1 Level (Line, Mic, Mic-Phantom Power), Input 2 Level (-10/+10 dBu) Internal Adjustments: Compression ratio for audio processor. Slope adjustable from 1:1 to 4:1. Default 2:1 Programming: Stereo on/off, Processing on/off |
| Indicators | Unit Power: Red LED illuminates when the unit is powered up (front panel) Input 1, Input 2, Transmit Level: indicates Input 1, Input 2, and Transmit audio levels. 10 segment LEDs (8 green, 2 red) Stereo: Indicated by a green LED when on (front panel) Processing: Indicated by a green LED when on (front panel) RF Carrier: Indicates carrier is active on the LCD Display (front panel) LCD: Channel designation, lock status, RF Carrier, programming (front panel) Test Tone: Red LED illuminates when test tone enabled (front panel) |
| RF System | |
|---|---|
| Audio Carrier Frequencies | 2.3 MHz 2.8 MHz 3.3 MHz 3.8 MHz |
| Number of Channels | 4 Channels, selectable one channel per transmitter (mono or stereo) |
| Frequency Accuracy | +/- 0.005% stability 32 to 122�F / 0 to 50�C |
| Transmitter | Transmitter stability: 50 PPM |
| Outputs | 2x BNC connectors for connection to radiator(s) and/or additional transmitter(s); 50 mV, 50 ohm, -15 dBm |
| Inputs | 1x BNC connector, for connection from additional transmitter(s); 50 mV, 50 ohm, -15 dBm |
| Power | |
|---|---|
| Power Supply | In-line power supply, (part number LA-205) |
| Power Supply Input | 100 to 240 V AC, 47 to 63 Hz |
| Power Supply Output | 30 V DC, 1.5 A |
| Power Supply Connector | 1x RJ-45 |
| Power Output | 2x RJ-45 jack, for remote-powering up to two radiators |
| Power Cord | North America: Type B (LT-82-01) Asia, UK: Type G (LT-82-02) Europe: Type J (LT-82-03) |
| General | |
|---|---|
| Color | Dark gray |
| Rack Mount | 1U high, 1/2U space wide One or two transmitters can be mounted in a single rack space. |
| Environmental | Operation Temperature: 14 to 104�F / -10 to 40�C Storage Temperature: -4 to 122�F / -20 to 50�C Relative Humidity: 0 to 95% relative humidity, non-condensing |
| Compliance | FCC Part 15, Industry Canada, CE, RoHS, UL |
| Dimensions | 1.75 x 8.5 x 9.13" / 4.5 x 21.5 x 23.0 cm |
| Weight | With Power Supply: 3.8 lb / 1.72 kg Unit Weight: 2.6 lb / 1.18 kg |
| Packaging Info | |
|---|---|
| Package Weight | 4.7 lb |
| Box Dimensions (LxWxH) | 14.3 x 10.9 x 3.1" |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.0 ★★★★★
Based on 28 reviews
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Product Reviews
★★★★★ 5
Great for teeth cleaning
Size: Extra Small, Color: Blue
My dog loves it. She’s a Yorkie and it’s perfect for her.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 10, 2026
★★★★★ 1
Made for very small dogs- don’t buy if you have medium to large dogs
Size: Extra Small, Color: Blue
2 of my 3 dogs chewed right threw it <5 minutes of getting it causing a potential choking hazard. It’s small not durable but definitely soft. Only suitable for very small dogs
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Reviewed in the United States on April 17, 2026
★★★★★ 5
Perfect for light/moderate chewers
Size: Extra Small, Color: Blue, Size: Extra Small, Color: Blue
My dog wouldn’t stop biting on the toddlers plastic dinosaur toys, so I got him this because it’s similar to plastic. But not hard enough to where it could damage his gums, also not soft enough to break apart. It’s perfect and he’s very happy with it. My dog is 6 LB toy poodle for reference, I would say this is suitable for small dogs. I saw reviews saying that their dog absolutely destroyed it immediately, but then in the review pictures their dogs were baby bulldogs/german shepards! This isn’t meant for breeds like that, but if you have a smaller dog with smaller teeth then this is ideal.
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Reviewed in the United States on May 2, 2026
★★★★★ 5
Quality and long lasting
Size: Extra Small (Pack of 2), Color: Blue
Highly Recommended!!! My 9 Shihtzu’s absolutely love the smell the durability and taste their thick so last long Thankfully I have to buy these every month!!!
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Reviewed in the United States on January 25, 2026
★★★★★ 4
Is this safe for my dog if she chews off little pieces.
Size: Small/Medium, Color: yellow
My Chihuahua loves this, however I want to know is it safe for my dog to swallow? She chews on it and gets little pieces of it and swallows them.
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Reviewed in the United States on June 4, 2026