


See Options
Need help? Ask our experts.
Review Summary
Accidents happen where life happens. Protect your favorite Adorama products and purchase a protection plan to stay covered from accidental damage, mechanical or electrical failure, and more.
If we can’t fix it, we’ll replace it at no additional cost.
Protect your product from drops, spills, and more.
Enjoy your gear without fear. We have you covered!
When regular use of your product over time results in mechanical or electrical failure.
We will never charge you a deductible after the purchase of a plan.
Our claims process is simple & easy and our customer service team is happy to help.
Adorama Protect powered by Extend is available for purchase to customers in the United States. Not available for purchase Internationally or in U.S. Territories.
Browse our FAQ
< 2% total harmonic distortion (THD) at 80% deviation
Two (2) 0.14" (3.5mm) connectors, unbalanced, 0 dBu nominal output level, 16 mW maximum, impedance 32 ohm, accepts mono or stereo phone plug or LA-430 Intelligent Ear Phone/Neck Loop Lanyard
63 Hz - 15 kHz ( +/-3 dB)
> 60 dB
Power on/off and volume up/down
Via software and USB port, Auto Seek, Jack Sense, Squelch, Auto Power, Auto Off, Stereo, Brightness, Channel Name
Press and hold up/down volume buttons for 5 seconds to enterchannel adjust, use up/down to select channel
OLED - Channel designation, battery level, unit number, charging status, volume status
Flashes when batteries are low or to indicate charging, solid when fully charged
2.3 MHz, 2.8 MHz, 3.3 MHz, 3.8 MHz
Four (4) selectable channels
+/- .005% stability 32 to 122 Degree F (0 to 50 Degree C)
FM Wideband, +/-50 kHz deviation max, 50 uS de-emphasis
30,000 sq ft (2787 sq m) single channel with LT-84/LA-141 or 40,000 sq ft (3716 sq m) single channel with LT-82/LA-140
Programmable in 20 steps, automatic on loss of IR signal
Turns unit off after a specified time of no IR signal, default is 30 minutes
Better than one (1) nW/sq cm @40 dB SNR
Micro USB connector, 5 V, 500 mA
Lithium Ion
8 Hours of typical use
Fully charged in 2.5 Hours
14 to 104 Degree F (-10 to 40 Degree C)
-4 to 122 Degree F (-20 to 50 Degree C)
0 to 95% relative humidity, non-condensing
FCC Part 15, ICS-03, CE, RoHS, WEEE, ADA 706, CBC 11B-706
LA-140-GY, LT-82, LA-365, LA-401, LA-381, LA-405, LA-404, LA-403, LA-402, LA-380, LA-430, LT-84, LA-141, LA-382
Flat Black
Without Belt Clip: 3.75 x 2.0 x 0.64" (9.6 x 5.0 x 1.7cm)
With Belt Clip: 3.75 x 2.0 x 0.80" (9.6 x 5.0 x 2.1 cm)
Without Batteries: 1.9 oz (53.9g)
With Batteries: 2.8 oz (79.4g)
Take your audio experience to the next level with the LP-40-IR Intelligent DSP IR Receiver pack from Listen Technologies, a trusted name in high-quality audio equipment. This comprehensive kit is designed to enhance IR assistive listening, making it an ideal choice for expanding your existing system or starting a new one.
The pack includes six compact LR-4200-IR iDSP units, each offering industry-leading range and sensitivity for a robust and reliable signal. These innovative receivers are the smallest IR devices available on the market, offering a user-friendly experience for the end-users and simplifying the task of storing, managing, and dispensing them.
Each LR-4200-IR receiver is equipped with an OLED display that clearly communicates the channel name and status, battery charge level, and volume level. They also feature a micro USB connection for effortless setup, programming, and firmware updates.
The kit also includes an LA-381 Intelligent 12-unit charging tray, a durable and efficient solution for charging, storing, and dispensing ListenIR receivers. This tray can accommodate up to twelve receivers, providing ample storage and charging capacity for the six included receivers and allowing for easy system expansion as your needs grow.
The LP-40-IR pack comes complete with receivers, neck loops/lanyards, universal ear speakers, and the charging tray, offering a comprehensive solution for delivering superior IR assistive listening to your customers, clients, visitors, and more. Experience the convenience and efficiency of this all-in-one kit, designed to meet the needs of those who rely on assistive listening devices daily.