Listen Technologies Listen iDSP Essentials Level 2 Stationary RF System (72 MHz)

BH #LILS31072 • MFR #LS-31-072
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Listen Technologies Listen iDSP Essentials Level 2 Stationary RF System (72 MHz)
Key Features
  • Complete Assistive Listening System
  • 100% Digital Operation
  • Transmitter, Antenna, Receivers & More
  • Ear Speakers, Charger, Cabling & More
Listen Technology's Listen iDSP Stationary RF System is designed to handle your installed assistive listening needs. The system includes almost everything you need, and is designed to work digitally to preserve clarity and intelligibility. With its long transmission range, the Listen iDSP includes a three-channel RF transmitter, an antenna kit, a rackmount kit, four receivers, four ear speakers, and necessary accessories, such as a 4-port charger, two neck lanyards, cabling, and more.
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Kit Contains:

Listen Technology's Listen iDSP Stationary RF System is designed to handle your installed assistive listening needs. The system includes almost everything you need, and is designed to work digitally to preserve clarity and intelligibility. With its long transmission range, the Listen iDSP includes a three-channel RF transmitter, an antenna kit, a rackmount kit, four receivers, four ear speakers, and necessary accessories, such as a 4-port charger, two neck lanyards, cabling, and more.

Listen Technologies LT-803-072-01 Stationary 3-Channel RF Transmitter (72 MHz)

This 72 MHz Stationary RF Transmitter from LISTEN Technologies can be used for assisted listening in a variety of venues and scenarios. The transmitter offers universal inputs, which ensure your ability to interface with audio sources, including mixers, microphones, MP3 players, CD players, and more. The transmitter also features the company's signature Look & Listen LCD, which shows channel, lock, and RF power. A power supply is included.

Three channels simplify use and installation
Digitally tuned so the transmission won't drift
Look & Listen LCD shows channel, channel lock, and signal strength
Reliable clear sound quality; -62 dB Signal-to-noise ratio (SNR)
Balanced/unbalanced inputs allow interfacing with many audio sources
Auto Processor conditions the audio for voice/music prior to transmission
Multiple accessory options make it suitable for a wide range of applications
UPC: 819267023307
Listen Technologies LA-122 Univeral Antenna Kit (72 and 216 MHz)

The LA-122 Univeral Antenna Kit from Listen Technologies contains antennas for both 72 MHz and 216 MHz, as well as monopole and dipole antenna options. The included mounting hardware enables you to attach the antenna to walls, on electrical boxes, on a horizontal surface, and inside a wall or ceiling. The kit also contains components allowing you to configure several versions of an antenna, and 25' of coaxial cable with BNC connectors.

Includes both 72 MHz and 216 MHz antennas
Monopole and dipole antenna options included
Rigid and flexible radials are included
All hardware for mounting on a wall, on electrical boxes, on a horizontal surface (flat and inverse), inside a wall or ceiling is included
UPC: 819267020146
Listen Technologies LA-326 Universal Rack Mounting Kit

The LA-326 Universal Rack Mounting Kit from Listen Technologies is compatible with the company's LT-800 Stationary Transmitter, LT-803 3-Channel Stationary Transmitter, LT-82 Stationary IR Transmitter, and LR-100 Stationary Receiver/Amplifier. It allows for both single and dual mounting, and includes hardware for a large variety of configurations.

UPC: 819267021075
Listen Technologies Basic DSP RF Receiver (72 MHz)

This 72 MHz LISTEN Technologies Basic DSP RF Receiver is an iDSP (Intelligent Digital Signal Processing) personal listening product. The green battery technology reduces costs of ownership and hassles while reducing the number of batteries in landfills. A lithium-ion battery is included with the unit and provides up to 24 hours of continuous use. The integrated neck loop/lanyard or belt clip with DSP loop driver improves the listening experience for T-coil users. This iDSP device is small and easy to wear, dispense, store, and maintain.

The Basic DSP RF Receiver has LED indicators that flash when batteries are low/charging or are solid when fully charged. You may connect the iDSP neck loop/lanyard or earphones via one of two 3.5mm output jacks, so the receiver can be shared with another user. The micro-USB connection is used with free iDSP software for charging, setup, programming, inventory management, and firmware updates. This listening device is well suited for places where it's difficult to hear, such as theaters, lecture halls, concert venues, and houses of worship.

  • RF receiver offering remarkable sensitivity and sound
  • Integrated neck loop/lanyard with DSP loop driver for an enhanced T-coil listening experience
  • Small size makes it easier to wear and use and for venues to dispense, store, and maintain
  • Limited lifetime warranty with hassle-free support
  • Lanyard and belt clip options offer convenient and discreet choices for the end-user
  • Advanced rechargeable battery technology eliminates the costs and hassles associated with frequent battery replacement
  • Designed for single-channel applications

 

UPC: 819267025844
Listen Technologies LA-401 Universal Ear Speaker (Dark Gray)

The dark grey LA-401 Universal Ear Speaker from Listen Technologies is designed to provide maximum audio quality and freedom of movement without cable snags. The universal style easily fits over your ear and offers a comfortable, secure fit on either your left or right side. The open design allows you to hear direct sounds, as well as enabling you to use the speaker along with hearing aids. It is constructed of hard plastic which can be easily and hygienically cleaned and reused. The speaker can be used with the short integrated neck loop/lanyard for minimizing cable tangles, or with the included extension cord for concealing your wires in your pocket.

Provides optimal audio and the freedom of movement without cable snags
Universally styled to easily fit comfortably over the right or left ear
Open design allows the user to hear direct sounds and can be used with hearing aids
Use with integrated neck loop/lanyard or 3.5mm extension cable
Hard plastic can be easily and hygienically cleaned and reused
UPC: 819267021426
Listen Technologies LA-430 Intelligent Earphone Neck Loop Lanyard

The Listen Technologies LA-430 Intelligent Earphone Neck Loop Lanyard is an integrated neck loop that works with any of the company's iDSP receivers and any of their earphones (available separately) and uses a DSP loop driver to deliver an improved listening experience for people who have hearing aids and cochlear implants with telecoils. It is capable of providing the proper field strength and a flat frequency response from the neck to the listening plane of the hearing aid—in accordance with IEC60118-4 standards. An automatic gain control circuit with a dynamic range of 36 dB optimizes speech and provides clear, intelligible audio.

The LA-430 plugs into an iDSP receiver and easily slips over the head to be worn around the neck like a lanyard; a quick release ensures immediate removal if necessary. The 3.5mm earphone jack on one side provides a connection to Listen's universal earphones or a similar pair of earbuds. The LA-430 enables venues to meet legislative requirements for assistive listening and deliver an enjoyable listening experience in places where it's difficult to hear, such as theaters, lecture halls, concert venues, and houses of worship.

Integrated neck loop that incorporates an advanced DSP loop driver for an improved listening experience for people who have hearing aids and cochlear implants with telecoils
Capable of providing the proper field strength and a flat frequency response according to IEC60118-4
Integrated 3.5mm earphone jack provides connection to earphones for use as a lanyard
Makes it easy for venues to meet legislative requirements for assistive listening and deliver an exceptional listening experience
Compatible with Listen iDSP receivers
UPC: 819267021532
Listen Technologies 4-Port USB Wall Charger

The 4-Port USB Wall Charger from LISTEN Technologies turns your wall outlet into a charging station, keeping your LISTEN iDSP products ready to go. It is a suitable accessory for personal use of iDSP products or for smaller venues. The charger's compact design makes it easy to store and does not block extra outlets on the wall. This charger is compatible with LISTEN iDSP receivers and supports input voltages of 100 to 240 VAC, 50 to 60 Hz. This model features four USB ports, and a small LED on the front of the charger illuminates when the charger is plugged into a live power socket. It comes with four USB-to-micro-USB cables.

UPC: 819267021495
Listen Technologies LA-304 Hard Plaque Assistive Listening Notification Signage Kit

The  Listen Technologies LA-304 Hard Plaque Assistive Listening Notification Signage Kit provides venues with signage identifying the availability of assistive listening devices. It can be easily displayed in a window using the included static cling window sticker.

Informs people that assistive listening devices are available
Allows you to place a hard placard or static cling for the window
Kit Contains:

Listen Technologies LT-803-072-01 Stationary 3-Channel RF Transmitter (72 MHz)

Audio
Frequency Response
50 Hz to 15 kHz (+/- 3 dB)
Signal to Noise Ratio (SNR)
62 dB (A-Weighted)
System Distortion
<2% total harmonic distortion (THD) at 80% deviation
Input
Input 1: 1x Female XLR or 1/4" combo connector, balanced, 0 / -55 dBu (line/mic) nominal input level adjustable, -30 / +21 dBu (line/mic) maximum input level, impedance 20 k / 1 kOhm (line/mic), phantom power 12 VDC - on rear panel
Input 2: 2x phono connectors, unbalanced, -10 / +10 dBu nominal input level adjustable, +30 dBu maximum, impedance 100 kOhms - on rear panel
Output
Audio: Input 1 and input 2, mixed output on - rear panel), 2x phono connectors, unbalanced, -10 dBu nominal output level, +15 dBu maximum, impedance 10 Ohms
Headphone: 1x 3.5 mm stereo connector, unbalanced, adjustable output level, +3 dBu maximum, impedance 10 Ohms
Audio Processing
Compression can be turned on or off, slope internally adjustable from 1:1 to 4:1, default 2:1
Contour
Cuts and boosts frequencies above 5 kHz
Controls/Indicators
Controls
User Controls:
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)
Internal Adjustments: Compression ratio for audio processor
Programming: SQ on/off, process on/off, channel lock
Indicators
Audio Input Status LEDs: Indicate Input 1, Input 2, and Mix audio levels; 10 segment LEDs; 8 green, 2 red
Processing: Indicated by a green LED when on (front panel)
RF Power: Indicated on the LCD (low, mid, high)
LCD: Channel designation, lock status, RF power level, programming (front panel)
Test Tone: Red LED illuminates when test tone is enabled
RF System
Frequency Range
(A) 72.100
(E) 72.900
(H) 75.900
Number of Channels
3x wide band
Frequency Accuracy
+/- 0.005% stability 32 to 122ºF / 0 to 50ºC
Transmitter
Transmitter stability: 50 PPM
Transmission Range: Up to 1,500' / 457 m
Output Power
80000 uV at 3 m
Antenna Type
Various antennas available
BNC connectors
Power
Power Supply
In-line power supply, (part number LA-207)
Power Supply Input
100 to 240 VAC, 50 to 60 Hz, 0.4 A
Power Supply Output
12 VDC, 1.3 A, 15.6 W
Power Supply Connector
Barrel type:
0.02" (5.0 mm) OD
0.01" (2.5 mm) ID
General
Color
Dark gray with white silk screening
Environmental
Operation temperature: 14 to 104°F (-10 to 40°C)
Storage temperature: -4 to 122°F (-20 to 50°C )
Relative humidity: 0 to 95% relative humidity, non-condensing
Compliance
UL, CE, GS, TÜV, RoHS
FCC Part 15, Part 90, Industry Canada
Dimensions
1.75 x 8.5 x 9.13" (4.5 x 21.5 x 23.0 cm)
Weight
With power supply: 4.5 lb (2.0 kg)
Unit weight: 2.60 lb (1.2 kg)
Packaging Info
Package Weight
3.75 lb
Box Dimensions (LxWxH)
13.4 x 9.7 x 3"

Listen Technologies LT-803-072-01 Reviews

Really good sound

By Scott
Rated 4 out of 5
Date: 2025-04-22

There is not much for instructions that come with it. Once you figure out the antenna layout, it is easy to figure out. Once installed, it works really well

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