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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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LA-122 Universal Antenna Kit Including (Grounding Base + Mounting Bracket + Wall/Electrical Box Mounting Plate + Shorting Plate + Antenna Module + (25'/7.6m) Coaxial Cable (Terminated with BNC Connectors on Both Ends) + 2x Telescoping Antennae (216 MHz) + 2x Flexible Antenna (216 MHz) + 2x Hex Kep Nuts + 2x Fiber Washer + 4x Machine Screw (#8-32 x3/4") + 4x Tapping Screw (#8-1/2") + 4x Dry Anchors)
LA-326 Universal Rack Mounting Kit Including (Left Side Bracket + Right Side Long Bracket + Right Side Short Bracket + Dual Mount Center Bracket + 10x Machine Screws)
LA-304 Assistive Listening Notification Signage Kit Including (Hard Plaque + Static Cling Window Sticker)
50 Hz - 15 kHz ( +/-3 dB)
SQ enabled 70 dB, SQ disabled 50 dB
Rear panel, one (1) Female XLR or 1/4 in combo connector, balanced, 0 / -55 dBu (line/mic) nominal input level adjustable, -30 / +21 dBu (line/mic) maximum input level, impedance 20k / 1k ohm (line/mic), phantom power +12 VDC
Rear panel, two (2) phono connectors, unbalanced, -10 / +10 dBu nominal input level adjustable, +30 dBu maximum, impedance 100k ohm
Compression can be turned on/off, slope internally adjustable from 1:1 to 4:1, default 2:1
Cuts and boosts frequencies above 5 kHz
< 2% total harmonic distortion (THD) at 80% deviation
Input 1 and input 2, mixed output (rear panel), two (2) phono connectors, unbalanced, -10 dBu nominal output level, +15 dBu maximum, impedance 10 ohm
Front panel, one (1) 3.5mm (0.14") stereo connector, unbalanced, adjustable output level, +3 dBu maximum, impedance 10 ohm
Front Panel: Power, test tone on/off, channel up/down, input levels, mix level, contour, monitor volume controlRear Panel: Input 1 Level, (Line, Mic, Mic-Phantom Power), Input 2 level (-10 / +10 dBu), RF power level (low, mid, high)
Compression ratio for audio processor
SQ on/off, process on/off, channel lock
Channel designation, lock status, RF power level, programming (front panel)
Indicates Input 1, Input 2, and Mix audio levels; 10 segment LED's (8 green, 2 red)
Indicated by a green LED when on (front panel)
Red LED illuminates when test tone is enabled
Indicated on the LCD (low, mid, high)
216.0125 - 216.9875 MHz
19 wide band, 38 narrow band
+/- .005% stability +32 Degree to +122 Degree F (0 Degree to +50 Degree C)
Various antennas available
50 PPM
Up to 3,000 ft. (914 m)
BNC
100 mW (max allowed by FCC)
3
In line power supply, Listen part number LA-207 (Line cord is determined by the each Country's AC power standards)
100-240 VAC, 50-60 Hz, 0.4 A
12 VDC, 1.3 A, 15.6 W
0.02" (5.0mm) OD, 0.01" (2.5mm) ID, barrel type
UL, CE, GS, TUV, RoHS
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
RoHS
FCC Part 15, Part 90, Industry Canada
Dark Gray with white silk screening
One (1) rack space height, 1/2 rack space wide. One (1) or two (2) transmitters can be mounted in one rack space, optional rack mount (LA-326)
LA-130, LA-326, LA-277, LA-304, LR-100-216, LR-400-216, LR-500-216, LR-5200-216-P1, LR-5200-216, LR-4200-216-P1, LR-4200-216, LP-40-216, LP-41-216, LP-50-216, LP-51-216, LA-303
8.50 x 1.75 x 9.13" (21.5 x 4.5 x 23cm)
2.6 lb (1.2kg)
With Power Supply: 3.5 lb (1.6kg)
< 2% total harmonic distortion (THD) at 80% deviation
Two (2) 3.5mm (0.14") connectors, unbalanced, 0 dBu nominal output level, 16 mW maximum, impedance 32 ohm
50 Hz - 15 kHz ( +/-3 dB)
SQ enabled 70 dB, SQ disabled 50 dB
Power, up/down volume, Listen button for end user channel selection
Via software and USB port
Press and hold up/down volume buttons for 5 seconds to enter channel adjust, use up/down to select channel
White, illuminated when unit is on, flashes when batteries are low or to indicate charging, solid when fully charged
Channel designation, battery level, unit number, charging status
216.0125 - 216.9875MHz
19 wide band, 38 narrow band
.6uV typical, 1 uV maximum for 12 dB sinad
+/- .005% stability 32 to 122 Degree F (0 to 50 Degree C)
Programmable in 20 steps, automatic on loss of RF signal
Uses ear phone/neck loop lanyard and short ear phone cable or standard earphone cable
Micro USB connector, 5 V, 500 mA
Lithium-ion
8 Hours of continuous use
Fully charged in 2 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, Part 90, Industry Canada, RoHS
LT-800-216-01, LT-700-216
Dark Gray
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 2.1cm)
Without Batteries: 1.6 oz (45.4g)
With Batteries: 2.4 oz (68.1g)
For professional venues seeking an exceptional audio assistance solution, the LS-57-216 Listen iDSP Advanced Level II Stationary RF System stands out as a superior choice. This system is designed to deliver crystal-clear RF signals through the LT-800-216 216 MHz transmitter, ensuring that up to 100 attendees can benefit from high-quality sound transmission. The inclusion of four LR-5200-216 Advanced iDSP receivers guarantees an unparalleled listening experience, with each receiver boasting an impressive 20 dB reduction in hiss compared to other RF receivers available in the market.
Listeners are afforded the luxury of choice with multiple channels on each unit, making this system ideal for settings that require language interpretation or the provision of alternate audio streams. The advanced programmable features of the receivers allow for customization to the specific channels required by the venue, while also providing the option to lock out unused channels for added security.
The receivers are powered by rechargeable Lithium-ion batteries, offering both longevity and cost efficiency, with a rapid recharge time of just 2.5 hours. The system's adaptability is further enhanced by the inclusion of a universal antenna and a universal rack mounting kit, LA-326, facilitating seamless integration into almost any permanent audio setup.
Comprehensive accessories such as universal ear speakers, neck loops/lanyards designed with integrated DSP-driven neck loops for telecoil-equipped hearing aids and cochlear implants, a 4-port USB charger, and assistive listening notification signage kit are provided. These not only cater to the diverse needs of your audience but also ensure that your venue meets compliance standards.
The architectural specifications of the LS-57 system are meticulously crafted to serve the hearing-impaired with excellence. With the ability to broadcast on 57 channels, a signal-to-noise ratio exceeding 70 dB, and an audio frequency response ranging from 50 Hz to 15 kHz (±3 dB), the system delivers high-fidelity sound. The unique DSP SQ noise reduction technology, programmable squelch circuit, and multifunctional display add layers of functionality and user-friendliness. The USB connector serves multiple purposes, including inventory control, setup, charging, and firmware upgrades, while the automatic battery charging circuitry simplifies maintenance.
In summary, the LS-57-216 Listen iDSP Advanced Level II Stationary RF System from Listen Technologies Corporation is a meticulously engineered product that offers superior audio assistance, customizable features, and a comprehensive set of accessories to enhance the auditory experience for the hearing-impaired in a variety of professional settings.