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Listen Technologies LR-400 Display Receiver
SKU: 608
List Price: $164.00
Our Price: $149.00
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Overview

The LR-400-216 Portable Display FM Receiver is a lower cost digital display receiver. It has the same exceptional audio quality and convenient recharging options as Listen’s other full-featured receivers. The LR-400-216 can receive up to 19 wide band with 38 narrow band channels. The LR-400-216 has a digital display (LCD) to monitor channel selection, battery level, and signal strength. An LED on top of the receiver indicates if the unit is on, when batteries are low or if the unit is locked on a channel. It has channel SEEK capability and is compatible with mono or stereo earphones.

 

HIGHLIGHTS: 

  • Superior audio quality – 70 dB signal-to-noise ratio (SNR), setting the industry’s sound quality standard

  • 57 channels

  • 100 % Digital – Listen receivers are digitally-tuned so the transmission won’t drift

  • Limited Lifetime Warranty with hassle-free support

  • Look & Listen™ LCD shows channel, battery status, and signal strength

  • Uses standard alkaline or nickel-metal hydride (NiMH) batteries

  • Built in SmartCharge™ won’t allow batteries to overcharge. Charging circuitry is conveniently built into Listen’s receivers

  • Drop in charging contacts for any of Listen’s many charging cases or a charging plug on the side of the unit

  • Many accessory options make Listen products ideal for a wide range of applications

 

SPECIFICATIONS:

Audio 

Frequency Response

50 – 15 kHz (±3 dB)

Signal to Noise Ratio

SQ enabled 70 dB, SQ disabled 50 dB

   
   

Audio Output Jacks

3.5 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

Controls

User Controls

Channel up/down, SEEK, volume, Alkaline/NiMH batteries, SQ enable/disable

Programming

Channel lock, squelch

Indicators 

LCD

Channel designation, battery level, battery charging, RF signal strength and channel lock

LED’s

Red, illuminated when unit is on, flashes when batteries are low or to indicate charging, flashes when locked and SEEK is pushed

RF 

Frequency Range

216.0125 – 216.9875 MHz

No. of Channels

19 wide band, 38 narrow band

Sensitivity

.6uV typical, 1 uV maximum for 12 dB SINAD

Frequency Accuracy

± .005% stability +32 ºF to +122 ºF (0 ºC to +50 ºC)

   
   
   

Squelch

Programmable in 20 steps, automatic on loss of RF signal

Antenna Type

Uses earphone cable

Power 

Power Supply

I/P 120 VAC; O/P 7.5 VDC 250 mA, drop in contact points for use with charging cases, power supply not included (LA-208)

Power Supply Connector

2.3 mm OD by 0.7 mm ID, barrel type connector 7.5 VDC, center positive <250 mA, drop in contact points for use with Listen charging cases

Battery Type

Two (2) AA batteries, alkaline or NiMH

Battery Life

30 hours alkaline (LA-361), 15 hours NiMH rechargeable (LA-362)

Battery Charging Time

Fully automatic, 13 hours

Compliance

RoHS, WEEE, UL, PSE, CE, CUL, TUV, CB 

Physical 

Dimensions (H x W x L)

4.25 in. (10.8 cm) x 2.75 in. (7.0 cm) x 1.50 in. (3.8 cm)

Color

Dark Grey w/ white silk screening

Unit Weight w/ Batteries

5.8 oz. (164 g)

Shipping Weight

1.0 lbs. (0.5 kg)

Weight

3.9 oz (111 g)

Door

Manually lockable, SEEK behind door

Environmental 

Temperature – Operation

-10°C (14°F) to + 40°C (104°F)

Temperature – Storage

-20°C (-4°F) to + 50°C (122°F)

Relative Humidity

0 to 95% Relative Humidity, non condensing

Compliance 

Safety

RoHS

RF

FCC Part 15, Part 90, Industry Canada

 

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Manufacturer: Listen Technologies
Listen Technologies LA-321 8 Unit Charging/Carrying Case
SKU: 17
Listen Technologies LA-321 8 Unit Charging/Carrying Case
The LA-321 8-unit drop-in charging case is designed to store and charge up to 8 portable Listen FM products (LT-700, LR-300, LR-400 or LR-500)
$409.00



Manufacturer: Listen Technologies

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