- Description
Details
The Listen Tech LS-08 15 Person Advanced Portable RF System is a great for organizations conducting multiple tours or simultaneous language interpretation. The 15-Person System includes a portable transmitter and microphone, programmable display receivers with ear speakers, rechargeable batteries and a charging/carrying case. Also be sure to consider whether a hand held or noise canceling microphone might be appropriate for your application. You can add any number of receivers to a single transmitter if you need to accommodate more guests. This system is a good size for rentals. Use this system for auditory assistance and language interpretation on tours or in other venues. Great for manufacturers, museums, governments, houses of worship, tour companies, zoos, and board rooms.
These products are approved by the FCC for use in the US. Please note that they cannot be used in all countries. Check with your local government or specific regulation with regard to broadcast frequency in your specific country. Note: FCC rules limit the use of this product to assistive listening.
- Features
Features
- Great for organizations conducting multiple tours or simultaneous language interpretation
- Superior Audio Quality - 80 dB signal-to-noise ratio, setting the industry's sound quality standard
- Minimal interruptions to others not on the tour
- Easy to use and manage inventory
- A choice between 57 channels
- Programmability - Unneeded channels can be locked so this receiver will access only one or more channels of your choice
- 100 % Digital - Listen receivers are digitally-tuned so transmission won't drift
- Built in SmartCharge won't allow batteries to overcharge
- Limited Lifetime Warranty with hassle-free support
- Specification
LT-700 Portable Transmitter Frequency 72 MHz or 216 MHz RF Frequency Range (72 MHz) 72.025 - 75.975 MHz RF Frequency Range (216 MHz) 216.025 - 216.987 MHz Number of Channels (72 MHz) 57 (17 wide, 40 narrow) Number of Channels (216 MHz) 57 (19 wide, 38 narrow) Sensitivity (72 MHz / 216 MHz) .6uV typical, 1 uV maximum for 12dB SINAD Frequency Accuracy (72 MHz / 216 MHz) ±.005% stability 32 to 122° F (0 to 50°C) Transmitter Stability (72 MHz / 216 MHz) 50 PPM Transmission Range From 0 to 50 ft. (15.2 m) to 150 ft. (45.7 m) Output Power (72 MHz) Less than 10mW Output Power (216 MHz) Less than 100mW Antenna (72 MHz / 216 MHz) Uses microphone cable Antenna Connector 3.5 mm connector Audio System Frequency Response (72 MHz) 63 Hz - 15 kHz (± 3dB) System Frequency Response (216 MHz) 63 Hz - 10 kHz (±3dB) System Signal to Noise Ratio (A-weighted) (72 MHz) SQ enabled: 80dB; SQ disabled 60dB System Signal to Noise Ratio (A-weighted) (216 MHz) SQ enabled: 80dB; SQ disabled 50dB System Distortion (72 MHz / 216 MHz) <2% total harmonic distortion (THD) at 80% deviation Microphone Input (72 MHz / 216 MHz) Unbalanced, tip of 3.5 mm connector, (55 dBu nominal, -32dBu maximum, impedance 21 Ohms) Microphone Sensitivity (72 MHz / 216 MHz) Three position switch: high, middle and low; 6dB increments Line Input (72 MHz / 216 MHz) Unbalanced,ring of 3.5mm connector,(-10dB nominal input level adjustable, +4dBumax,impedance 10kohms Controls (72 MHz / 216 MHz) Set-up Controls, behind the door Mic sensitivity, NiMH/alkaline battery, SQ enable/disable User Controls Power, mute, channel UP and DOWN Indicators (72 MHz / 216 MHz) Specifications LED Red, illuminates when unit is on. Flashes when batteries are low or to indicate charging LCD Display Channel, lock status, programming Power (72 MHz / 216 MHz) Battery Type Two AA batteries, alkaline or NiMH Battery Life (Listen batteries) 15 hours alkaline (LA-361), 8 hours NiMH rechargeable (LA-362) Environmental (72 MHz / 216 MHz) Temperature - Operation 14 to 104° F (-10 to 40°C) Temperature - Storage -4 to 122° F (-20 to 50°C) Humidity 0 to 95% relative humidity, non-condensing Physical (72 MHz / 216 MHz) Door Manually lockable. UP, DOWN and power through door, other controls behind door (see Controls above) Dimensions (H x W x D) 4.25" (130 mm) x 3" (76 mm) x 1" (25 mm) Unit Weight 3.9 oz. (111 gm) Unit Weight with Batteries 5.8 oz. (164.4 gm) Shipping Weight 1.0 lbs (0.45 kg) LR-500 Programmable Display Receiver RF RF Frequency Range (72 MHz) 72.025 - 75.950 MHz RF Frequency Range (216 MHz) 216.025 - 216.975 MHz Number of Channels (72 MHz) 57 (17 wide, 40 narrow) Number of Channels (216 MHz) 57 (19 wide, 38 narrow) Sensitivity (72 MHz / 216 MHz) .6uV typical, 1 uV maximum for 12dB SINAD Frequency Accuracy (72 MHz / 216 MHz) ± .005% stability 32 to 122° F (0 to 50° C) Antenna (72 MHz / 216 MHz) Uses earphone cable Antenna Connector (72 MHz / 216 MHz) 3.5 mm connector Squelch (72 MHz / 216 MHz) Programmable in 20 steps Audio System Frequency Response (72 MHz) 63Hz - 15kHz (±3dB) System Frequency Response (216 MHz) 63Hz - 10kHz (±3dB) System Signal to Noise Ratio (A-weighted) (72 MHz) SQ enabled: 80dB; SQ disabled 60d System Signal to Noise Ratio (A-weighted) (216 MHz) SQ enabled: 80dB; SQ disabled 50dB System Distortion (72 MHz / 216 MHz) <2% total harmonic distortion (THD) at 80% deviation Output (72 MHz / 216 MHz) 3.5mm connectors, unbalanced, 0dBu nominal output level, 16mW maximum, impedance 32 Ohms Controls (72 MHz / 216 MHz) Set Up Controls Programmable channel selection (see below), alkaline/NiMH batteries and squelch, SQ enable/disable User Controls Volume, channel UP/DOWN, SEEK. All controls except volume are electronically lockable Indicators (72 MHz / 216 MHz) Specifications LCD Display Indicates channel,RF signal strength,lock status, squelch,battey power level and channel programming Power (72 MHz / 216 MHz) Battery Type Two AA batteries, alkaline or NiMH Battery Life (Listen batteries) 30 hours alkaline (LA-361), 15 hours NiMH rechargeable (LA-362) Battery Charging (NiMH only) Fully automatic, 14 hours Power Supply Connector 2.3mm OD by 0.7mm ID, barrel type connector. 7.5VDC, center positive <250mA Environmental (72 MHz / 216 MHz) Temperature - Operation 14 to 104° F (10 to 40° C) Temperature - Storage -4 to 122° F (-20 to 50° C) Humidity 0 to 95% relative humidity, non-condensing Physical (72 MHz / 216 MHz) Dimensions (H x W x D) 4.25" (130 mm) x 3" (76 mm) x 1" (25 mm) Unit Weight 3.9 oz. (111 g) Unit Weight with Batteries 5.8 oz. (164.4 g) Shipping Weight 1.0 lbs (453.6 kg) - In The Box
In The Box
- (1) LT-700-072 Portable Display RF Transmitter (72 MHz)
- (1) LA-278 Behind-the-Head Microphone
- (15) LR-500-072 Portable Programmable Display RF Receiver (72 MHz)
- (15) LA-164 Ear Speaker
- (1) LA-311 16-Unit Portable RF Product Charging/Carrying Case
- (16) LA-362 Rechargeable AA NiMH Batteries
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