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$219.99
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Review Summary
Accidents happen. Protect your favorite Adorama products and purchase a protection plan to stay covered from accidental damage, mechanical or electrical failures, 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 international or U.S. territories purchases. Plans on open box items do not cover pre-existing damage.
Adorama Protect plans are available for ABS clients. If you have any questions or require assistanse, please call 800-223-2500
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20 Hz - 20 kHz (+/- 1 dB) Line Input63 Hz - 15 kHz (+/- 3 dB) System Specification (wireless end-to-end with LR-44)
> 70 dB (SNR) Line Input> 60 dB (SNR) System Specification (wireless end-to-end with LR-44)
Two (2) 3.5 mm (0.14 in.) Tip/Sleeve connector, -30 dBu nominal input, +14 dB headroom, impedance 4.4k Ohms, 5 VDC bias supply
< 0.1% (THD) Line Input< 2% (THD) System Specification (wireless end-to-end with LR-44)
Stereo/Mono Input. Two (2) Dual (RCA) Phono connectors, unbalanced, -10 dBu nominal input, +14 dB headroom, impedance 10k Ohms
Mono Input. Two (2) Phoenix Type connector, balanced, + 4 dBunominal input, +14 dB headroom, impedance 100k Ohms
Three (3) position switch - Power OFF, Power ON-Indicator Lights OFF, Power ON-Indicator Lights ON
Two (2), four (4) position rotary switches (2.3 MHz, 2.8 MHz, 3.3 MHz, 3.8 MHz)
Two (2) audio taper rotary potentiometer, counter-clockwise decreases input mix level, clockwise increases input mix level
Green LED on in-line power supply indicates AC power is applied
Two (2) Green LEDs, two (2) Red LEDs, Green LED indicates Audio presence and Red LED indicates peaks in the audio
Solid Amber indicates carrier is present and IR is being transmitted
Solid Green indicates power is applied to unit, flashing indicates unit has entered power save mode
2.3 MHz, 2.8 MHz, 3.3 MHz, 3.8 MHz, Selectable
Two (2) channels, Selectable carrier frequency
+/- .005% stability 0 to 50 Degree C
50 PPM
FM Wideband, +/-50kHz deviation max, 50 uS pre-emphasis
Carrier will shut off when no audio is present for 15 minutes on both channels to preserve radiator life
Two (2) RJ-45 connectors - Provides RF Signal and Power, CAT-5e cable 24 AWG, 100 ft. maximum cable length, two (2) LA-141s per output connector
2,787 sq. m (30,000 sq. ft) single channel with LR-4200-IR/LR-5200-IR receivers or 697 sq. m (7,500 sq. ft) single channel with LR-42/LR-44 receivers
1.49 W
100-240 VAC, 50-60 Hz
12 VDC, 4 A, 48 W
2.5 mm ID barrel connector, center positive
Two (2) RJ-45 connectors. providing Power and RF signal for up to two (2) LA-141 expansion radiators on each output
In-line switching mode power supply, Listen part number LA-210
IEC line cord, North America Type B (LT-84-01), Asia and UK Type G (LT-84-02), Euro Type C (LT-84-03), Australia Type I (LT-84-04)
14 Degree F (-10 Degree C) to +104 Degree F (40 Degree C)
-4 Degree F (-20 Degree C) to +122 Degree F (50 Degree C)
0 to 95% relative humidity, non-condensing
FCC part 15, ICS-03, CE, UL, CUL, C-Tick, CCC, PSE, KC, GS, RoHS, WEEE
CUL, UL, CE, CCC, C-Tick, KC, PSE, GS, FCC, RoHS
Black with White Silk Screening
Can be mounted on a wall, ceiling, or table with provided hardware (screws and hollow wall anchors not provided). Optional LA-347 Wall Box Mounting Plate is available for mounting to a standard single gang electrical box.
LR-42, LR-44, LPT-A117, LA-141, LR-4200-IR, LR-5200-IR, LR-4200-IR-P1, LR-5200-IR-P1, LP-40-IR-01, LP-41-IR, LP-50-IR, LP-51-IR, LR-X200-IR
1.5 x 10.7 x 4.1" (3.81 x 27.2 x 10.5cm)
0.8 lb (0.4kg)
with Power Supply: 1.8 lb (0.8kg)
< 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/cm2 @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)
An advanced solution for superior audio assistance, the LS-92 ListenIR iDSP Level III System is engineered to enhance the listening experience in larger venues, ensuring that every word is heard with crystal-clear quality. This comprehensive package is designed to meet the needs of venues with up to 100 seats, making it an excellent choice for courtrooms, boardrooms, classrooms, and similar environments.
The system features the innovative LT-84 ListenIR Transmitter/Radiator Combo, which broadcasts high-quality audio across a coverage area of up to 30,000 square feet (2787 square meters) when transmitting a single channel. With the ability to handle up to two audio channels and offering a choice of four mono carrier frequencies - 2.3, 2.8, 3.3, and 3.8 MHz - the LT-84 ensures flexible and reliable transmission.
Included in the set are several LR-4200-IR iDSP receivers, which are equipped with state-of-the-art iDSP noise reduction technology to deliver an unparalleled audio experience. These intelligent receivers are designed to be user-friendly, featuring an OLED display that shows battery status, volume level, and a customizable channel name. They are also equipped with a micro USB connector for convenient programming, setup, inventory control, charging, and firmware upgrades.
The LA-381 Intelligent 12-unit Charging Tray streamlines the management of the receivers, providing an efficient system for dispensing, collecting, and storing the units. This feature not only simplifies the user experience but also ensures that the receivers are always ready for use.
The LS-92 system boasts an impressive signal-to-noise ratio (SNR) of 60 dB or better and a total harmonic distortion (THD) of less than 2%, guaranteeing high-fidelity sound. The audio frequency response ranges from 63 Hz to 15 kHz, +/- 3dB, ensuring that the full spectrum of sound is accurately reproduced.
Each receiver offers the flexibility of being worn with a lanyard or belt clip, and the lanyard includes an integrated neck loop that is compatible with T-coil hearing aids. The receivers are smartly designed to provide customized audio output, whether connected to earphones or the integrated neck loop.
The system's independent channel audio processing features Limiting, Compression, and Noise Gate controls, along with transmit level control and LED level indication. Additionally, the system can power and send RF signals to up to four Expansion Radiators via CAT-5 cable for expanded coverage.
The LS-92 ListenIR iDSP Level III System is not only a cost-effective solution for adding assistive listening capabilities to your venue but also a testament to your commitment to accessibility and inclusivity. With its high-quality audio performance and user-centric design, the LS-92 is the ideal choice for any venue seeking to provide an exceptional auditory experience for all visitors.