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Don’t miss a single sound. Listen.
Listen Technologies Corporation believes your audience is there to learn or to be
entertained, and that they ought to enjoy a personalized, enriching auditory
experience. Many environments present challenges for the listener to clearly hear,
appreciate, and understand what is being communicated. Listen is committed to
ensuring that our products provide the auditory experience your audience deserves.
Listen’s line of portable FM products deliver on this commitment by providing a
carefully tuned system of products that makes the process of specifying, ordering,
and using the system simple and straight forward. A Listen FM system functions like a
low power radio station that broadcasts sound to receivers within range of the
transmitters. The Portable FM system is a great way to deliver interference-free, clear
sound directly to each individual, dramatically enhancing their individual experience
and ensuring that they get the full experience they desired.
Don’t miss a single sound. Listen.
Language Interpretation
Imagine being in a foreign country to do business, but unable
to understand what your business partners are saying.
A portable FM system delivers high quality sound to every
listener in your group, allowing your interpreter to facilitate
communication in even the loudest of environments.
Press Conferences
Tour Group
Have you ever been on a tour and not been able to hear the
information being provided by the tour guide? When you are
on a tour you are there to not only see what is being shown, but
also to hear what is being said. Unfortunately, sometimes the
environment itself poses hearing di culties. Listen solve this
problem by ensuring visitors get a clear and interference-free
listening experience.
A press conference can be an atmosphere charged with
excitement and commotion. When news is being reported, you
want to be sure you are hearing the message clearly and without
disruption. Your ability to do that relies on your ability to
understand what you are hearing. A Listen system brings the
information directly to your ears as if the speaker is giving you
the inside scoop on the news.
Employee Training
When you are trying to learn, hearing the message is
imperative. A Listen system can deliver an instructors
voice directly to the student’s ears providing them
with the ability to understand and process the
information more e ectively. The end result is more
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e ective training and instructors who are less
fatigued because they don’t have to speak loudly.
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Provide your guests with a
thorough visit of your operations.
Placing Listen’s LR-600 Receiver
(72/216MHz only) in strategic
areas allows your guests to fully
tour your facility, even in areas
where access is limited or in
over ow areas.
Listen Portable FM System
Deliver your message clearly, even
in the noisiest environment! Listen’s
hands-free equipment allows you
to deliver key information clearly
and safely while moving around
your operation.
Listen’s wide range of channels
means you can use one or more
systems in one area without
interference. Conduct multiple
simultaneous tours, the LCD
Display makes it easy to tune to
the correct audio presentation.
Customize tours for your international guests
by providing a system for delivering
simultaneous language interpretation.
Your message will be heard clearly and in your
guest’s own language.
Highlights
• 57 Channels (72/216MHz), 17 Channels (863MHz) – you’ll always nd
interference-free channels.
• Conduct multiple simultaneous tours and o er language interpretation.
• Minimal interruptions to others not on the tour.
• Limited Lifetime Warranty with hassle-free support.
• Look&Listen™ LCD display shows channel, battery status, signal strength, lock, and
programming information.
• Uses standard AA alkaline batteries or AA NiMH rechargeable batteries.
• Easy to use and manage inventory.
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LT-700 Portable Transmitter
The LT-700 Portable Transmitter will broadcast your interpreter or
tour guide’s voice to everyone in the audience, without having to
carry a microphone or be plugged into the wall. Excellent for factory
tours, outdoor events, wireless microphone applications, classroom,
training, or personal use -- anywhere you need to amplify sound
but don’t have (or want) an installed sound system. The signature
Look&Listen™ LCD shows channel, lock and battery level. It takes AA
batteries (alkaline or NiMH rechargeable). SmartCharge™
capabilities prevent overcharging of batteries. The antenna is in the
mic cord and the unit has an adjustable mic sensitivity switch.
Highlights
• Super Quiet™ Technology provides superior audio quality.
• Look&Listen™ LCD shows channel, battery status,
and programming information.
• Mic or line level inputs.
• 57-Channel selection (72/216MHz).
• 17-Channel selection (863MHz).
• Standard Alkaline or NiMH bateries.
• Mute button.
• Limited Lifetime Warranty with hassle-free support.
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LT-700-863
LT-700-072
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LT-700-072
Key Speci cations
• Range: Line of site, up to 150 ft. (45.7 m)
72/216 MHz, 200 ft. (60.9 m) 863 MHz.
• Number of simultaneous channels: 6/3/8
72/216/863MHz.
• Audio performance: 63 Hz-15KHz frequency
response, >80dB SNR and <2% THD.
1. Mute Switch Easy access mute/talk switch.
2. Microphone Jack 3.5mm mic jack for microphone or line level audio source.
3. Multi-function LED Indicates when unit is muted, batteries are low, and charging status.
4. LCD Display Displays channel selection, battery level, and channel lock for programming.
5. Channel Section Allows you to manually change the broadcast channel.
6. Power Turns the unit On/O .
7. Charging Port/Contacts Used with charging cases or power supply to charge NiMH
batteries within the unit.
8. Door Locks Manually lock battery compartment door.
9. Battery Compartment Install alkaline or NiMH batteries to operate unit.
10. Antenna Articulating and exible for easy storage (863MHz only).
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Con gurations
LT-700-072 - 72 MHz
LT-700-216 - 216 MHz
LT-700-863 - 863 MHz
Accessories
Accessories for the LT-700 can be found on
the Portable Product Accessories page 6.
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Listen o ers two types of portable FM receivers that allow
you to customize your system to your speci c needs. Both
receivers o er multiple channels for outstanding audio
performance backed by limited lifetime warranty.
The LR-400 and LR-500 o er Listen’s Look&Listen™ LCD
display so you’ll see what’s going on. The LR-500 o ers
channel selection buttons for the user and programmability
for multiple channel applications like language
interpretation. In this case, you can program the LR-500 to
only display active channels limiting the number of
channels your guests have to seek through.
FM Receivers
Highlights
• Super Quiet™ Technology provides superior audio quality.
• Easy to use.
• Multiple Channels – you’ll always nd interference-free channels.
• Look&Listen™ LCD display shows channel, battery status, signal
strength, lock, and programming information.
• SEEK button automatically nds a channel.
• Limited Lifetime Warranty with hassle-free support.
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LR-400-863
LR-400-863
1. Power/Volume On/o and volume control.
2. Earphone Jack 3.5 mm jack accepts either mono or stereo headsets.
3. Multi-function LED Indicates power or low battery and charging status.
4. LCD Display Displays channel selection, battery level, signal strength,
channel lock and program features (LR-500 only).
5. Channel Section The seek button allows you to scan for the broadcasting channel, while the
up/down button allows you to manually change the receive channel. Buttons are located inside
the cover on the LR-400.
6. Charging Port/Contacts Used with charging cases or power supply to charge
NiMH batteries within the unit.
7. Door Locks Manually lock battery compartment door.
8. Battery Compartment Install alkaline or NiMH batteries to operate unit.
9. Antenna Articulating and exible for easy storage (863MHz only).
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LR-500-072
LR-500-072
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LR-400-072
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Key Speci cations
• Receiver range from LT-700: Line of site,
150 ft. (45.7 m) 72/216 MHz,
200 ft. (60.9 m) 863 MHz.
• Number of simultaneous channels: 6/3/8
72/216/863MHz.
• System audio performance: 50-15KHz 72/863
MHz 50-10 KHz 216 MHz frequency response,
>80dB SNR and <2% THD.
Con gurations
LR-400-072 – 72 MHz
LR-400-216 – 216 MHz
LR-400-863 - 863 MHz
LR-500-072 – 72 MHz
LR-500-216 – 216 MHz
LR-500-863 - 863 MHz
Accessories
Accessories for Listen Receivers can be found
on the Portable Product Accessories page 6.
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FM Receivers
Ampli cation anywhere without wires! All-in-one wireless
receiver, 2-channel 10 Watt power ampli er. Place up to 150 feet
away from a Listen portable transmitter to receive and amplify
the transmission audio. This unit is powered by AA batteries
(alkaline or NiMH rechargeables), or 15VAC power supply or 12
VDC, for 15/10 Watt continuous power. It has unbalanced
auxiliary input and output ports. Listen’s signature
Look&Listen™ LCD display shows channel, lock, and battery
level. Comes with adjustable mounting bracket/handle.
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Highlights
• Super Quiet™ Technology provides superior audio quality.
• Easy to use.
• Multiple Channels – you’ll always nd interference-free channels.
• 80dB Signal-to-Noise Ratio – best in class noise performance
ensures guests hear the sound and not the noise.
• Look&Listen™ LCD display shows channel, battery status, signal
strength, lock, and programming information.
• SEEK button automatically nds a channel.
• Limited Lifetime Warranty with hassle-free support.
• Unbalanced aux input and output.
• Adjustable 3-band equalizer.
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1. Channel Selector/Volume Change channel from the top or rear. Adjust volume from the top.
2. Charging/Power Port Power unit and/or charge NiMH batteries.
3. Adjustable 3-Band Equalizer Fine-tune audio output.
4. Input/Output Ports Unbalanced/auxiliary phono/input/output ports.
5. LCD Display Displays channel selection, battery level, signal strength, channel lock
and program features.
6. Antenna Use either the internal or optional external antenna.
7. Battery Compartment Unit can be powered by (8) alkaline batteries or NiMH rechargeable batteries.
8. Adjustable Handle/Mounting Bracket For mounting on wall, ceiling or microphone stand.
9. Speaker 15/10 watt (peak/RMS) 4 ohm 2-way speaker.
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Key Speci cations
• Receiver range from LT-700: Line of site, 150 ft
(45.7 m), 72/216MHz.
• Number of simultaneous channels: 6/3,
72/216MHz.
• System audio performance: 50-15KHz frequency
response, >80dB SNR and <2% THD.
Con gurations
LR-600-072 – 72 MHz
LR-600-216 – 216 MHz
NOTE: Not available in 863MHz.
Accessories
Accessories for Listen Receivers can be found
on the Portable Product Accessories page 6.
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Portable Product Accessories and Systems
Accessories
Listen provides a variety of accessories to meet your Portable FM needs. Choose from Connectors/Cables,
Batteries/Power Supplies, Charging/Carrying Cases, Earphones/Speakers, and Microphones all providing outstanding
performance for crisp, clear sound.
Microphones
LA-278
• LA-261 Lavalier Microphone
• LA-262 Over-the-Head Microphone
• LA-270 Noise Cancelling Microphone
• LA-272 Over-the-Head Microphone with Earphone
• LA-274 Hand Held Microphone
• LA-276 Collar Microphone
• LA-277 Conference Microphone
• LA-278 Behind-the-Head Microphone
• LA-279 Over-the-Ear Microphone
Portable FM Systems
Listen’s Portable FM Systems are designed for use by an individual or multiple individuals. The Personal FM System is a great
system to take to school, a house of worship, training facility, etc. The multi-person systems are ideal for organizations that want to
ensure that their visitors hear and understand every word. These systems can be used indoors or outdoors and are a terri c mobile
solution for language interpretation.
FM Product Cases
LA-321
• LA-311 16-Unit Portable Charging/Carrying Case
• LA-313 16-Unit Portable Carrying Case
• LA-317 4-Unit Portable Charging/Carrying Case
• LA-318 4-Unit Portable Carrying Case
• LA-320 Con gurable Carrying Case
• LA-321 8-Unit Portable Charging/Carrying Case
• LA-322 8-Unit Portable Carrying Case
• LA-323 4-Unit Portable Charging/Carrying Case w/Removable Lid
• LA-324 8-Unit Portable Charging/Carrying Case w/Removable Lid
• LA-325 16-Unit Portable Charging/Carrying Case w/Removable Lid
Earphones
• LA-161 Single Ear Bud
• LA-162 Stereo Ear Buds
• LA-164 Earspeaker
• LA-165 Stereo Headphones
• LA-166 Neck Loop
• LA-170 Behind-the-Head
Stereo Headphones
LA-165
LS-07
Product Description System Part Number
LS-05 LS-06 LS-07 LS-08 LS-13 LS-14
LT-700 Portable FM Display Transmitter 111111
LA-261 Lavalier Microphone 1
LA-278 Behind-the-Head Microphone 1 1 1 1 1
LR-400 Portable Digital Display FM Receiver 1 7 15 30 120
LR-500 Portable Programmable Digital Display FM Receiver 15
LA-164 Ear Speaker 1 7 15 15 30 120
LA-306 Soft Case 1
LA-322 8-Unit Portable FM Products Carrying Case 1
LA-313 16-Unit Portable FM Products Carrying Case 1
LA-311 16-Unit Portable FM Products Charging/Carrying Case 1 2 8
LA-361 High Capacity AA Alkaline Batteries (2) 2 8 16
LA-362 Rechargable AA NiMH Batteries (2) 16 31 121
Example:
Listen System
System Designator
LS-05-216
Frequency
Each Portable FM System delivers Listen’s commitment to
providing you with a customizable solution that is simple to
specify, install, and use. You will enjoy outstanding performance
with exceptional support from the Listen team.
Don’t miss a single sound. Listen.
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72 MHz Range 216 MHz Range 863 MHz Range
Channel Frequency Channel Frequency
1 72.025 20 72.975
2 72.075 33 74.625
A 72.100 34 74.675
3 72.125 I 74.700
4 72.175 35 74.725
K 72.200 36 74.775
5 72.225 37 75.225
6 72.275 38 75.275
B 72.300 J 75.300
7 72.325 39 75.325
8 72.375 40 75.375
N 72.400 R 75.400
9 72.425 21 75.425
10 72.475 22 75.475
C 72.500 F 75.500
11 72.525 23 75.525
12 72.575 24 75.575
O 72.600 S 75.600
13 72.625 25 75.625
14 72.675 26 75.675
D 72.700 G 75.700
15 72.725 27 75.725
16 72.775 28 75.775
P 72.800 T 75.800
17 72.825 29 75.825
18 72.875 30 75.875
E 72.900 H 75.900
19 72.925 31 75.925
32 75.975
The highlighted rows are wide band channels.
Frequency Chart
Channel Frequency Channel Frequency Channel Frequency
1A 216.0125 2K 216.5250 01 863.050
2A 216.0250 3K 216.5375 02 863.200
3A 216.0375 1L 216.5625 03 863.400
1B 216.0625 2L 216.5750 04 863.550
2B 216.0750 3L 216.5875 05 863.750
3B 216.0875 1M 216.6125 06 863.900
1C 216.1125 2M 216.6250 07 864.100
2C 216.1250 3M 216.6375 08 864.250
3C 216.1375 1N 216.6625 09 864.450
1D 216.1625 2N 216.6750 10 864.600
2D 216.1750 3N 216.6875 11 864.800
3D 216.1875 1P 216.7125 12 864.950
1E 216.2125 2P 216.7250 13 863.300
2E 216.2250 3P 216.7375 14 863.650
3E 216.2375 1R 216.7625 15 864.000
1F 216.2625 2R 216.7750 16 864.350
2F 216.2750 3R 216.7875 17 864.700
3F 216.2875 1S 216.8125
1G 216.3125 2S 216.8250
2G 216.3250 3S 216.8375
3G 216.3375 1T 216.8625
1H 216.3625 2T 216.8750
2H 216.3750 3T 216.8875
3H 216.3875 1U 216.9125
1J 216.4125 2U 216.9250
2J 216.4250 3U 216.9375
3J 216.4375 1V 216.9625
1K 216.5125 2V 216.9750
3V 216.9875
Listen Technologies Corporation
14912 Heritagecrest Way
Bluffdale, Utah 84065-4818, U.S.A.
+1.801.233.8992
+1.800.330.0891
+1.801.233.8995
North America
Fax
www.listentech.com
info@listentech.com
Listen Technologies GmbH
Jasminstr. 16
905022 Oberasbach, Germany
+49 911 955159 0
+49 911 955159 40
Tel
Fax
www.listentech.de
info@listentech.de
Printed in the United States of America
© 2007 Listen Technologies Corporation
®
All Rights Reserved 2007917
Don’t miss a single sound.
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