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Listen Soundfield FM System
Studies show that students l
30% more in classes with aud
Effective instruction doesn’t
have to be impaired by a noisy
environment. Soundfields allow
instructors to direct their classes
with a normal speaking level and
students receive valuable
amplification. This means tha
classroom experience can be
for both teachers and studen
soundfield reinforcement. Vo
is eased for teachers and stu
hear better. Overall, the learn
experience is improved.
instruction clearly.
Highlights
• 80db Signal-to-Noise Ratio – best in class noise performance ensures your
audience hears the sound and not the noise.
• Improved learning retention and reduced instructor voice fatigue.
• High quality audio delivered in any environment.
Soundfield systems can be used for large audiences
as well. When used with a Listen transmitter, the
LR-100 receiver delivers the wireless transmission to
your existing sound system speakers in an
• Limited Lifetime Warranty with hassle-free support.
auditorium. Listen’s standard 57 channels ensures
you’ll always find interference-free channels.
2
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LT-700 Portable Transmitter
The LT-700 Portable Transmitter will broadcast your 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 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.
• 80dB Signal-to-Noise Ratio – best in class noise performance
ensures guests hear the sound and not the noise.
• Standard Alkaline or NiMH bateries.
• Mute button.
• Limited Lifetime Warranty with hassle-free support.
1
3
2
7
4
8
8
6
5
9
9
7
Key Specifications
• Range: Line of site, up to 150 feet.
• Number of simultaneous channels: 6/3,
72/216MHz.
• 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/Off.
7. Charging Port/Contacts Used with charging cases or power supply to charge NiMH
batteries within the unit.
Configurations
LT-700-072 - 72MHz
LT-700-216 - 216MHz
8. Door Locks Manually lock battery compartment door.
9. Battery Compartment Install alkaline or NiMH batteries to operate unit.
Accessories
Accessories for the LT-700 can be found on
the Soundfield FM Accessories page 6.
3
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FM Receivers
Amplification anywhere without wires! All-in-one wireless
receiver, 2-channel 10 Watt power amplifier. 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 Listen’s
LR-600 Look&Listen™ LCD display shows channel, lock, and
Highlights
• Super Quiet™ Technology provides superior audio quality.
• Easy to use.
• Multiple Channels – you’ll always find 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
g information.
a channel.
hassle-free support.
ut.
Key Specifications
Reeier rane 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.
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.
Configurations
LR-600-072 – 72 MHz
LR-600-216 – 216 MHz
Accessories
Accessories for Listen Receivers can be found
on the Soundfield FM Accessories page 6.
4
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FM Receivers
Listen’s LR-100 Stationary Receiver/Power Amplifier is a
stationary receiver with a built-in power amplifier. When used
with a Listen transmitter, the LR-100 can deliver high quality
audio for use in a variety of locations and applications – most
commonly soundfields. This unit has Listen’s signature
Look&Listen™ LCD Display showing channel, lock, and battery
level. A security cover protects auxiliary and receiver volume
and trim controls. It has an adjustable squelch control, and
balanced or unbalanced speaker wire output options.
Multiple input options give this unit great flexibility.
Highlights
• Super Quiet™ Technology provides superior audio quality.
• Look&Listen™ LCD.
• 57-programmable channels.
• Adjustable squelch control.
• Selectable audio output.
• Multiple input and output options.
It’s powered by a 16VAC/1000mA power input or 12 VDC
battery. Add an antenna for longer range applications.
1
2
3
4
7
5
6
ns
m LT-700: Line of site, 150 ft
Hz.
neous channels: 6/3,
ormance: 63 Hz - 15KHz
e, >80dB SNR and <2% THD.
5/10 wats (peak/RMS) with
1. Audio Section Audio can be adjusted for volume and quality via trim pots and switches. Listen
exclusive technology delivers low noise performance.
2. Receive Section Use the UP and DOWN buttons to select the transmission channel. The LCD
conveniently shows the selected channel, transmitter output power, lock and programming status.
3. Monitor Section You can listen to the transmitted audio using the monitor jack and volume control.
4. Speaker Volume Adjustable volume control for speaker output.
5. Audio Output Section Offers three different output options: unbalanced/phono, balanced male XLR
and Phoenix connector for speaker.
6. Audio Input Section Three different audio inputs: RF signal through the antenna, unbalanced/phono
or balanced/female XLR 1/4 inch combo connector.
7. Power Connect a power supply (included) to the back of the unit.
z
Hz
s security cover).
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Soundfield FM Accessories and Systems
Accessories
Listen offers a range of options for your Soundfield FM Accessory needs. Select from Antennas, Mounting Options, Connectors/
Cables, Batteries/Power Supplies, Charging/Carrying Cases, Speakers, Microphones and Miscellaneous Combiners all providing
excellent performance for clear interference-free sound.
Antenna’s
Expansion Speaker
Mic
LA-261
LA-123
• LA-107 Gr
• LA-116 or
• LA-122 Universal Antenna Kit
• LA-123 or LA-124 90 Degree Helical Antenna
• LA-125 or LA-126 Antenna Kit for Rack Mount
• L
• 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-316 Expansion Speaker
• LA-276 Collar Microphone
• LA-277 Conference Microphone
• LA-278 Behind-the-Head Microphone
• LA-279 Over-the-Ear Microphone
Soundfield FM Systems
Listen’s Soundfield FM systems are ideal for schools, houses of worship, training facilities, outdoor venues, bus tours, etc. The LS-10 is a
versatile system for multiple audio sources. It can be incorporated into an existing sound system or used as a stand-alone system and
can accommodate multiple audio sources. The LS-60 Receiver/Speaker Soundfield FM System is a great solution for classrooms, meeting
rooms or other small venues. This easy to set up system is portable for a quick soundfield solution in any environment.
Wireless speaker/receiver a
LS-10
Product Description
LS-09
1
LS-10
LS-60
1
LT-700 Portable FM Transmitter
LA-261 Lavalier Microphone
1
1
1
LA-276 Collar Microphone
1
1
LR-100 Stationary FM Receiver/Power Amplifier
LR-600 Wireless FM Receiver/Speaker
LA-202 Power/Charging Supply
LA-330 Portable Unit Lanyard
1
1
1
1
1
1
2
1
LA-316 Expansion Speaker
LA-362 Rechargable AA NiMH Batteries
1
Example:
Each Soundfield 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.
System Designator
Listen System
LS-10-216
Don’t miss a single sound. Listen.
Frequency
6
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Frequency Chart
72MHz Range:
Frequency Channel
216MHz Range
Channel
Frequency
72.975
74.625
74.675
74.700
74.725
74.775
75.225
75.275
75.300
75.325
75.375
75.400
75.425
75.475
75.500
75.525
75.575
75.600
75.625
75.675
75.700
75.725
75.775
75.800
75.825
75.875
75.900
75.925
75.975
Channel
1A
Frequency
216.0125
216.0250
216.0375
216.0625
216.0750
216.0875
216.1125
216.1250
216.1375
216.1625
216.1750
216.1875
216.2125
216.2250
216.2375
216.2625
216.2750
216.2875
216.3125
216.3250
216.3375
216.3625
216.3750
216.3875
216.4125
216.4250
216.4375
216.5125
Channel
2K
Frequency
216.5250
216.5375
216.5625
216.5750
216.5875
216.6125
216.6250
216.6375
216.6625
216.6750
216.6875
216.7125
216.7250
216.7375
216.7625
216.7750
216.7875
216.8125
216.8250
216.8375
216.8625
216.8750
216.8875
216.9125
216.9250
216.9375
216.9625
216.9750
216.9875
1
2
A
3
4
K
5
6
B
7
8
N
9
72.025
72.075
72.100
72.125
72.175
72.200
72.225
72.275
72.300
72.325
72.375
72.400
72.425
72.475
72.500
72.525
72.575
72.600
72.625
72.675
72.700
72.725
72.775
72.800
72.825
72.875
72.900
72.925
20
33
34
I
2A
3A
1B
2B
3B
1C
2C
3C
1D
2D
3D
1E
2E
3E
1F
2F
3F
1G
2G
3G
1H
2H
3H
1J
3K
1L
2L
35
36
37
38
J
3L
1M
2M
3M
1N
2N
3N
1P
2P
3P
1R
2R
3R
1S
2S
3S
1T
2T
3T
1U
2U
3U
1V
2V
3V
39
40
R
21
22
F
10
C
11
12
O
23
24
S
13
14
D
25
26
G
15
16
P
27
28
T
17
18
E
29
30
H
2J
3J
19
31
32
1K
The highlighted rows are wide band channels. The non-highlighted rows (narrow band) will only be seen when L/O
is disabled.
Listen Tec hnologies C orpora tion
14912 Herita gec rest Wa y
Bluffda le, Uta h 84065-4818, U.S.A.
+1.801.233.8992
North Americ a
+1.800.330.0891
+1.801.233.8995
Fa x
www.listentec h.c om
info@listentec h.c om
Listen Tec hnologies G mbH
Ja sminstr. 16
905022 Obera sba c h, G erma ny
EMEAI
+49 911 955159 0
Fa x
+49 911 955159 40
www.listentec h.de
info@listentec h.de
Printed in the United Sta tes of Americ a
© 2007 Listen Tec hnologies C orpora tion® All Rights Reserved 20071010
Don’t miss a single sound.
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