Portable Programable Display RF Transmitter (72 MHz)

Portable Display RF Transmitter (72 MHz) (S. Korea)

Name: Portable Display RF Transmitter (72 MHz) (S. Korea)
SKU: LT-700-072KR
Price: 681.48 USD
Availability: InStock

Item:LT-700-072KR

The Listen LT-700 Portable Display RF Transmitter is used to wirelessly broadcast audio for a variety of portable applications. Whether its voice or music, you can broadcast your audio to everyone in the audience without having to carry a microphone or be plugged into a wall. The LT-700 is excellent for factory tours, outdoor events, wireless microphone applications, classrooms, training, or personal use – anywhere you need to amplify sound, but don’t have (or want) an installed system. With the many features of the LT-700, portable transmission has never been easier for users!

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Includes

One (1) LT-700 Portable Display RF Transmitter

Highlights

Superior Audio Quality – 70 dB signal-to-noise ratio, setting the industry’s sound quality standard
A choice between 21 channels, complete antenna and accessory options make Listen products ideal for a wide range of applications
Look & Listen™ LCD shows channel, battery status, and programming information
100 % Digital – Listen receivers are digitally-tuned so transmission won’t drift; assurance that when you select a channel, it stays on the channel
Transmit up to eight (8) channels simultaneously on 72 MHz
Uses standard alkaline or NiMH batteries
Transformer charging plug or drop in charging contacts
Built in SmartCharge™ won’t allow batteries to overcharge. Charging circuitry is conveniently built into Listen’s LT-700 Transmitter; never worry about unplugging a transformer at a certain time
Mute switch
Mic and/or line level inputs
Limited Lifetime Warranty with hassle-free support

Also Needed

Specs

+Audio

Frequency Response	50 Hz - 15 kHz (±3 dB)
Signal-to-Noise Ratio	SQ enabled: 70dB; SQ disabled 50dB
Distortion	< 2% total harmonic distortion (THD) at 80% deviation
Microphone Input	Unbalanced, tip of 3.5 mm connector, -45 dBu nominal input level, -30 dBu maximum, impedance 20k Ohms
Microphone Sensitivity	Three position switch: high, middle, and low; 6db increments
Microphone Power	5VDC Bias
Line Input	Unbalanced, ring of 3.5mm connector, -10 dbu nominal input level, -3 dbu maximum, impedance 10K ohms

+Controls

User Controls	Power, mute, channel UP/DOWN, Mic sensitivity, NiMH/alkaline battery, SQ enable/disable
Programming	Channel Lock out,Channel lock

+Indicators

LCD	Channel Designation, lock status, signal strength indication, battery life, RF Power
LEDs	Red, illuminated when unit is on. Flashes when batteries are low, or to indicate charging. Flashes when muted

+RF

Frequency Range	72.650 - 74.750 MHz
Number of Channels	21 channels
Frequency Accuracy	± .005% stability 32 to 122º (0 to 50ºC)
Antenna Type	Microphone cable
Transmitter Stability	50 PPM
Transmission Range	Up to 45.7 m (150 ft.)
Antenna Connector	3.5 mm connector
Output Power	Less than 10mW
Number of Simultaneous Transmitters	8 (use channels 1 - 8)

+Power

Power Supply	I/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 Connector	2.3mm 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 Type	Two AA batteries, alkaline or NiMH
Battery Life	15 hours alkaline (LA-361), 8 hours NiMH rechargeable (LA-362)
Battery Charging Time	Fully automatic, 13 hours
Compliance	KCC

+Physical

Width	3.00 in. (7.6 cm)
Height	5.00 in. (13.0 cm)
Depth	1.00 in. (2.5 cm)
Color	Dark Grey with white silk screening
Unit Weight with Batteries	5.8 oz. (164 g)
Shipping Weight	1.0 lbs. (0.5 kg)
Weight	3.9 oz. (111 g)
Door	Manually lockable, controls accessible through doors

+Environmental

Temperature - Operation	14 to 104º F (-10 to 40º C)
Temperature - Storage	-4 to 122° F (-20 to 50° C)
Relative Humidity	0 to 95% relative humidity, non-condensing

Accessories

How-To's

Quick Start Guides:

GUIDE: ListenRF LT-700-KR Quick Reference Card

User Manuals:

MANUAL: ListenRF LT-700-072KR

FAQs

+Does the LT-700 provide phantom power?

Yes, 3VDC

+Will the LT-700 portable transmitter work for two-way communication?

No. However, Listen does recommend ListenTALK a two-way system for tour group applications where talk-back communication modes are available.

+What is the range of the LT-700 portable transmitter?

Line of site up to 150 ft. (45.7 m) for 216 MHz.

+Can I use a line source with the portable transmitter?

Yes. Listen offers the LA-263, a mic/line input cable for this use.

+How long do the batteries last on the portable transmitter?

Alkaline batteries last 15 hours; NiMH rechargeable batteries last 8 hours (72 MHz & 216 MHz).