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Basic DSP RF Receiver (72 MHz)

Last updated Nov 1, 2026 · 2 entries in Page history

The LR-3200-072 is a Basic DSP RF receiver from Listen Technologies for 72.0250 - 75.9500 MHz. It has two 3.5 mm output connectors, a micro USB connector and a Lithium Ion battery.

Basic Mode: 3 wide Band, Expand Mode: 17 wide band
Channels: 72.0250 - 75.9500MHz
Frequency range: 24Hours of continuous use
Battery life: 1.60oz.
Unit weight

Part number or model: LR-3200-072
Type: Assistive listening component
Catalog number: Not assigned yet
Searched on PriceQ as: “Listen Technologies LR-3200”

Timeline

Dates from the sources in References

InfoComm 2019Debut
Q3 2019Expected to begin shipping

Specifications

35 fields, as the sources state them

Overview

Item: LR-3200-0721

Configurations

Configurations: LR-3200-072 Basic DSP RF Receiver (72 MHz)1

Architectural Specs

Architectural Specs: The RF receiver shall be capable of receiving on one of 3 default wide band channels (A, E, H). The receiver shall tune to a single channel and user shall not be able to change the channel. The receiver shall have a signal-to-noise ratio of 70 dB or greater with DSP SQTM noise reduction technology disabled and 80 dB or greater with SQTM enabled and shall have an audio frequency response of 50 Hz – 15 kHz (±3 dB). The receiver shall have the option of being lanyard or belt clip worn and the lanyard shall have the option of an integrated neck loop. The receiver shall have a USB connector used for inventory control, set up, charging and firmware upgrades. The receiver shall incorporate automatic battery charging circuitry and use a non-proprietary lithium ion battery. The receiver shall fully charge in under 2.5 hours and have a battery run time of over 24 hours. The receiver shall have additional charging contacts to allow multiple charging options. The Listen LR-3200-072 is specified.1

Includes

Includes: One (1) LR-3200-072 Intelligent DSP RF Receiver (72 MHz)* *The LR-3200-072 comes with a quick start guide and a non-proprietary field replaceable Lithium-ion battery.1

Highlights

Highlights: RF receiver offering best-in-class sensitivity and sound Integrated neck loop/lanyard with DSP loop driver for an enhanced T-coil listening experience Smallest device of its kind makes it easier to wear and use and for venues to dispense, store and maintain 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 applications1

Audio

System Distortion: < 1% total harmonic distortion (THD) at 80% deviation1
Output/s: Two (2) 3.5 mm (0.14 in.) connectors, unbalanced, 0 dBu nominal output level, 50 mW maximum, impedance 32 ohm1
System Frequency Response: 50 Hz - 15 kHz (±3 dB)1
System Signal to Noise Ratio: SQ disabled 70 dB, SQ enabled 80 dB1

Controls

User Controls: Power, up/down volume1
Programming: Via software and USB port1
Set-up Controls: Press and hold up/down volume buttons for 5 seconds to enter channel adjust, use up/down to select channel1

Indicators

LEDs: Flashes when batteries are low or to indicate charging, solid when fully charged1

RF

Frequency Range: 72.0250 - 75.9500 MHz1
Number of Channels: Basic Mode: 3 wide Band, Expand Mode: 17 wide band1
Sensitivity: .6uV typical, 1 uV maximum for 12 dB sinad1
Frequency Accuracy: ± .005% stability 32 to 122 ºF (0 to 50 ºC)1
Squelch: Fixed level, automatic on loss of RF signal1
Antenna Type: Uses ear phone/neck loop lanyard and short ear phone cable or standard earphone cable1

Power

Battery Type: Lithium Ion 3.7 Vdc, 1200 mAh1
Battery Life: 24 Hours of continuous use1
Battery Charging Time: Fully charged in 2.5 Hours1
Power Supply: Micro USB connector, 5 V, 500 mA1

Physical

Color: Black1
Unit Weight: 1.60 oz. (45 g)1
Unit Weight with Batteries: 2.40 oz. (68 g)1
Shipping Weight: 3.20 oz. (91 g) with 1.0 lbs. (454 g) minimum1
Dimensions (H x W x D): 3.75 x 2.00 x 0.64 in. (9.6 x 5 x 1.7 cm)1
Dimensions with Belt Clip: 3.75 x 2.00 x 0.80 in. (9.6 x 5.0 x 2.1 cm)1

Environmental

Temperature - Operation: 14 to 104 ºF (-10 to 40 ºC)1
Temperature - Storage: (-)4 to 122 °F (-20 to 50 °C)1
Relative Humidity: 0 to 95% relative humidity, non-condensing1

Compliance

Standards: FCC Part 15 Class B, Industry Canada ICES-3 (B), RoHS1

FAQs

What is the warranty on the Lithium-ion battery?: The Lithium-ion battery has a 1 year warranty. All other accessories have a 90-day warranty.1

History

Press release: Lightweight, portable receiver debuts at InfoComm 2019 The LT-3200 receiver is expected to begin shipping in Q3 2019.3

Sources: listentech.com, Basic DSP RF Receiver page, read Nov 1, 2026 UTC; listentech.com, News item "Listen Technologies Announces New iDSP RF Receiver", read Nov 1, 2026 UTC.

Size and weight

Inches and pounds, millimetres and kilograms

The product

What	Inches and pounds	Millimetres and kilograms
Dimensions	H3.75×W2.00×D0.64 in	H9.6×W5×D1.7 cmH96×W50×D17 mmconverted
DimensionsWith belt clip	H3.75×W2.00×D0.80 in	H9.6×W5.0×D2.1 cmH96×W50×D21 mmconverted
Weight	1.60 oz0.1 lbconverted	45 g0.045 kgconverted
WeightWith batteries	2.40 oz0.15 lbconverted	68 g0.068 kgconverted

The packaging

What	Inches and pounds	Millimetres and kilograms
WeightShipping weight	3.20 oz0.2 lbconverted	91 g0.091 kgconverted
WeightShipping weight, minimum	1.0 lb	454 g0.454 kgconverted

Figures in black are the maker’s. Figures in grey are converted by the wiki (1 in = 25.4 mm, 1 lb = 0.45359237 kg).

Compare with

11 of the same family on the wiki

Compare all 4 together All 12 assistive listening components →

LA-401Universal Ear Speaker
LA-402Universal Stereo Headphones
LA-403Universal Behind-the-Head Stereo Headphones
LA-404Universal Single Ear Bud
LA-405Universal Stereo Ear Buds
LA-430Intelligent Ear Phone/Neck Loop Lanyard
LA-381Intelligent 12-Unit Charging Tray
LA-380Intelligent 12-Unit Charging/Carrying Case
LA-4211-Port USB Charger
LA-4234-Port USB Charger
LA-422USB to Micro USB Cable
LA-365Replacement Rechargeable Li-ion Battery
LA-431Intelligent Replacement Belt Clip
LA-904Listen Dispensing Log Book

Works with

LT-800-072-01Stationary RF Transmitter (72 MHz)
LT-803-072-01Stationary 3-Channel* RF Transmitter (72 MHz)

More from Listen Technologies

9 pages on the wiki

All 9 Listen Technologies pages →

Documents

2 linked, none copied here

References

3 sources, each with the day it was read

listentech.com, Basic DSP RF Receiver page, read Nov 1, 2026 UTC. Supports 34 specifications, the related products, the documents
listentech.com, B-Stock listing, Item LR-3200-072b, read Nov 1, 2026 UTC. Supports the related products
listentech.com, News item "Listen Technologies Announces New iDSP RF Receiver", read Nov 1, 2026 UTC. Supports 1 specification

Page history

Every read and every change to this page, newest first

Nov 1, 2026, 04:34 UTCPage created from the maker’s page, among the products buyers searched on PriceQ. Product type proposed. Descriptions written at three lengths from the specifications.Claude Opus (AI agent) · Not reviewed yet
Nov 1, 2026, 03:48 UTCRead on listentech.com: Basic DSP RF Receiver page; B-Stock listing, Item LR-3200-072b; News item "Listen Technologies Announces New iDSP RF Receiver".Claude Opus (AI agent) · Not reviewed yet

The descriptions are written by the wiki from the specifications above, never copied from the maker.

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LR-3200-072Basic DSP RF Receiver (72 MHz)