Listen Technologies Portable Digital RF Receiver (72 MHz) - LR-300-072

Listen Technologies Portable Digital RF Receiver (72 MHz) - LR-300-072

Part Number: LR-300-072
Our Price: $129.00
Availability: Usually ships the same business day


Portable Digital RF Receiver (72 MHz)

The LR-300-072 Portable Digital RF Receiver provides the same unbeatable audio performance as our full-featured receiver line in a simple, affordable package. Capable of receiving the 17 most common wide-band channels, the LR-300-072 features convenient recharging options, strong signal reception and audio clarity, and a multi-function LED in place of the LCD screen available on our other digital receivers.

Note: The LR-300 is available only for use on the 72 MHz frequency, and is approved for assistive listening use in the U.S. by the FCC. Check with your local government for specific regulations regarding broadcast frequencies in your country.

Key Features
  • Superior audio quality from the 80 dB signal-to-noise ratio (SNR)
  • Compatible with 17 common wide-band frequencies
  • 100% digital for improved signal strength and clarity
  • Works with alkaline and NiMH rechargeable batteries
  • Built-in Smart Charge (TM) technology prevents battery overcharging and extends battery life
  • Drop-in charging contacts for use with Listen Technologies charging cases
  • Backed by Listen Technologies' limited lifetime warranty and hassle-free support
  • One (1) LR-300 Portable Digital RF Receiver
  • One (1) Quick Reference Card


Frequency Response50 Hz - 15 kHz (3 dB)
Signal-to-Noise RatioSQ enabled 80 dB, SQ disabled 60 dB
Audio Output Jacks3.5 mm (0.14 in.) connectors, unbalanced, 0 dBu nominal output level, 16 mW maximum, impedance 32 ohms
Distortion< 2% total harmonic distortion (THD) at 80% deviation
User ControlsSEEK, volume, Alkaline/NiMH batteries, SQ enable/disable
ProgrammingChannel lock
LEDsRed, illuminated when unit is on, flashes when batteries are low or to indicate charging, flashes when locked and SEEK is pushed
Frequency Range72.025 - 75.975 MHz
Number of Channels17 wide band
Sensitivity.6uV typical, 1 uV maximum for 12 dB sinad
Frequency Accuracy .005% stability 32 to 122 F (0 to 50 C)
SquelchYes, non-adjustable
Antenna TypeUses earphone cable
Power SupplyI/P 120VAC; O/P 7.5VDC 250 mA, drop in contact points for use with charging cases, power supply not included (LA-208)
Power Supply Connector2.3mm OD by 0.7mm ID, barrel type connector 7.5 VDC, center positive < 250mA, drop in contact points for use with Listen charging cases
Battery TypeTwo (2) AA batteries, alkaline or NiMH
Battery Life30 hours alkaline (LA-361), 15 hours NiMH rechargeable (LA-362)
Battery Charging TimeFully automatic, 13 hours
ComplianceRoHS, WEEE, UL, PSE, CE, CUL, TUV, CB compliant
Width2.75 in. (7.0 cm)
Height4.25 in. (10.8 cm)
Length1.50 in. (3.8 cm)
ColorDark Grey with white silk screening
Unit Weight with Batteries5.8 oz (164 g)
Shipping Weight1.0 lbs (0.5 kg)
Weight3.9 oz (111 g)
DoorManually lockable, SEEK behind door
Temperature - Operation-10 C (14 F) to +40 C (104 F)
Temperature - Storage-20 C (-4 F) to +50 C (122 F)
Relative Humidity0 to 95% relative humidity, non-condensing
RFFCC Part 15, Industry Canada