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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.
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LA-122 Universal Antenna Kit Including (Grounding Base + Mounting Bracket + Wall/Electrical Box Mounting Plate + Shorting Plate + Antenna Module + Coaxial Cable (25'/7.6m) (Terminated with BNC Connectors On Both Ends) + 2x Telescoping Antenna (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) 3.5 mm (0.14 in.) 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 control Rear 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 3000' (914m)
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" (5mm) OD, 0.01" (2.5mm) ID, barrel type
UL, CE, GS, TUV, RoHS
-10 Degree C (14 Degree F) to +40 Degree C (104 Degree F)
-20 Degree C (-4 Degree F) to +50 Degree C (122 Degree F)
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)
Without Power Supply: 2.6 lb (1.2kg)
With Power Supply: 3.5 lb (1.6kg)
50 - 15 kHz ( +/-3 dB)
SQ enabled: 70dB; SQ disabled 50dB
3.5mm connectors, unbalanced, 0dBu nominal output level, 16mW maximum, impedance 32 Ohms
< 2% total harmonic distortion (THD) at 80% deviation
Channel up/down, SEEK, volume, Alkaline/NiMH batteries, SQ enable/disable
Channel lock, squelch, channel lock out
Channel Designation, lock status, signal strength indication, programming
Red, illuminated when unit is on. Flashes when batteries are low, or to indicate charging. Flashes when locked and SEEK is pushed
216.0125 - 216.9875 MHz
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 earphone cable
I/P 120VAC; O/P 7.5VDC 250 mA; Drop in contact points for use with charging cases. Power supply not included (LA-208)
2.3mm OD by 0.7mm ID, barrel type connector 7.5 VDC, center positive < 250mA. Drop in contact points for use with Listen charging cases
2x AA batteries, alkaline or NiMH
30 hours alkaline (LA-361), 15 hours NiMH rechargeable (LA-362)
Fully automatic, 13 hours
RoHS, WEEE, UL, PSE, CE, CUL, TUV, CB compliant
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 90, Industry Canada
LA-208, LT-800-216-01, LT-700-216, LA-904, LA-902, LA-901,
Dark Gray with White Silk Screening
Manually Lockable. Up, down, and power buttons through door. Other controls behind door
5 x 3 x 1" (13 x 7.6 x 2.5cm)
Without Batteries: 3.9 oz (111g)
With Batteries: 5.8 oz (164g)
Complete with our LR-500 receivers, LT-800 transmitter, antenna and rack mount kits, charging/carrying case, and batteries, the LS-52 is the most fully loaded 216 MHz assistive listening system available. The complete package includes everything your venue needs to not only ensure legislative compliance, but also offer an exceptional audio experience for anyone taking advantage of your assistive listening system.
The LR-500 receiver features a digital display allowing listeners to select from multiple channels and monitor the battery level and signal strength, while also making it easy for your to program. And the receivers, neck loops, ear speakers, and accessories are easily distributed, stored, and managed with the included charging/carrying case.
Architectural Specs
Furnish and install an RF wireless assistive listening system for use by the hearing-impaired. The assistive listening system (ALS) shall be capable of broadcasting on 17 wide band channels and 40 narrow band channels and be frequency agile. The ALS system shall have 80 dB SNR or greater, end-to-end. The RF receiver shall be capable of receiving on 57 wide and narrow band channels. The RF receiver shall be capable of receiving on 57 wide and narrow band channels. The receiver shall have a SNR of 80 dB or greater.
The receiver shall be programmable to electronically lock out unneeded channels. The receiver shall be capable of seeking channels. The device shall have a squelch. The device shall have an audio frequency response of 50 Hz to 15 KHz, ' +/- 3 dB at 216 MHz . The device shall incorporate a stereo headset jack that allows the user to plug in either a mono or stereo headset and listen to audio normally.
The device shall incorporate an LCD display that indicates channel, battery level, low battery, battery charging, RF signal strength and channel lock status. The receiver shall incorporate automatic battery charging circuitry for recharging of NiMH batteries. The device shall have a switch able option for the use of (2) alkaline or (2) NiMH batteries. The receivers and transmitters shall offer a limited lifetime warranty. Listen Technologies Corporation LS-52-216 products are specified.