- Description
Details
The Listen Tech LS-03 Performance RF System has everything you need for an easy system to specify, install and operate. This installed system includes a stationary transmitter and universal antenna kit, rack mounting kit, LR-400 receivers with ear speakers, alkaline batteries and Assistive Listening Notification Signage Kit. You can also substitute any product to better meet your needs such as a different antenna or portable receiver. Use this system for auditory assistance, audio/video recording feed and press feeds. Great for schools, houses of worship, stadiums, and courtrooms.
- Features
Features
- Great system for a variety of applications such as schools, houses of worship, stadiums, and courtrooms.
- Superior audio quality – 80 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
- Long transmission range ensures coverage for the entire venue
- Specification
LT-800-072 Stationary RF Transmitter RF Frequency Range 72.025 - 75.950 MHz, 216.0125 - 216.9875 MHz Number of Channels 17 wide band, 40 narrow band, 19 wide band, 38 narrow band Number of Simultaneous Transmitters 6, 3 Frequency Accuracy ± .005% stability +32º to +122 ºF (0º to +50 ºC) Transmitter Stability 50 PPM Transmission Range Up to 1,500 ft. (457 m), Up to 3,000 ft. (914 m) Output Power 80,000 uV at 3 m, 100 mW (max allowed by FCC) Antenna Various antennas available Antenna Connector BNC Compliance FCC Part 15, Part 90, Industry Canada Audio System Frequency Response 50 Hz - 15 kHz (±3 dB), 50 Hz - 10 kHz (±3 dB) System Signal-to-Noise Ratio (A-Weighted) SQ enabled 80 dB, SQ disabled 60 dB, SQ enabled 80 dB, SQ disabled 50 dB System Distortion <2% total harmonic distortion (THD) at 80% deviation Audio Input 1 Rear panel, one (1) Female XLR or 1/4 in combo connector, balanced, Audio Input 2 Rear panel, two (2) phono connectors, unbalanced, -10 / +10 dBu nominal input level adjustable, Audio Processing (Process) Compression can be turned on/off, slope internally adjustable from 1:1 to 4:1, default 2:1 Contour Cuts and boosts frequencies above 5 kHz Combined Audio Output (Mix) Input 1 and input 2, mixed output (rear panel), two (2) phono connectors, Headphone Output (Monitor) Front panel, one (1) 3.5 mm (0.14 in.) stereo connector, unbalanced, adjustable output level, Controls Front Panel Power, test tone on/off, channel up/down, input levels, mix level, contour, monitor volume control Rear Panel Input 1 Level, (Line, Mic, Mic-Phantom Power), Input 2 level (-10 / +10 dBu), Internal Adjustments Compression ratio for audio processor Programming SQ on/off, process on/off, channel lock Indicators Input1, Input 2, Mix Level VU Indicates Input 1, Input 2, and Mix audio levels; 10 segment LED's (8 green, 2 red) SQ and Processing Indicated by a green LED when on (front panel) RF Power Indicated on the LCD (low, mid, high) LCD Display Channel designation, lock status, RF power level, programming (front panel) Test Tone Red LED illuminates when test tone is enabled. Power Power Supply In line power supply, Listen part number LA-207 Power Supply Input Input: 100-240 VAC, 50-60 Hz, 0.4 A Power Supply Output Output: 12 VDC, 1.3 A, 15.6 W Power Supply Connector Output Connector: 0.02 in (5.0 mm) OD, 0.01 in. (2.5 mm) ID, barrel type Power Supply Compliance UL, CE, GS, TÜV, RoHS Color Dark Grey with white silk screening Rack Mounting One (1) rack space height, 1/2 rack space wide. Compliance RoHS Environmental Temperature - Operation -10 ºC (14 ºF) to +40 ºC (104 ºF) Temperature - Storage -20 ºC (-4 ºF) to +50 ºC (122 ºF) Humidity 0 to 95% relative humidity, non condensing Dimensions (H x W x D) 1.75" (45 mm) x 8.50" (216 mm) x 9.12" (232 mm) Unit Weight 2.6 lbs (1.2 kg) Unit Weight with LA-207 Power Supply 3.5 lbs (1.6 kg) Shipping Weight 6.0 lbs (2.7 kg) LA-326 Universal Rack Mounting Kit Physical Rack Mount Dimensions (H x W x D) 1.75" (45 mm) x 19.0" (483 mm) x 8.0" (203 mm) Shipping Box Dimensions (H x W x D) 2.95" (75 mm) x 14.2" (361 mm) x 10.6" (270 mm) Weight 4.4 lbs (2.0 kg) Shipping Weight 5.0 lbs (2.3 kg) LR-400 Portable Display RF Receiver RF RF Frequency Range 863.050 - 864.950 MHz Number of Channels 17 Wide band Sensitivity .6uV typical, 1 uV maximum for 12 dB sinad Frequency Accuracy ± .005% stability 32 to 122 ºF (0 to 50 ºC) Antenna Integrated external antenna Squelch Programmable in 20 steps, automatic on loss of RF signal Compliance CE, ETSI, RoHS Audio System Frequency Response 50 Hz - 15 kHz (±3 dB) System Signal to Noise Ratio 70 dB (A-Weighted) System Distortion <2% total harmonic distortion (THD) at 80% deviation Output 0.14" (3.5 mm) connector,unbalanced, 0 dBu nominal output level, 16 mW maximum,impedance 32 ohm User Controls Channel up/down, SEEK, volume Controls User Controls Channel up/down, SEEK, volume Set-up Controls (Battery Compartment) Alkaline/NiMH battery switch Programming Channel lock, DX/Local, squelch Indicators LED Red, illuminated when unit is on, flashes when batteries are low or to indicate charging, LED flashes when locked and SEEK is pushed LCD Display Channel designation,battery level, battery charging, RF signal strength and channel lock Power Battery Type Two (2) AA batteries, alkaline or NiMH Battery Life (Listen Batteries) 20 hours alkaline (LA-361), 10 hours NiMH rechargeable (LA-362) Battery Charging (NiMH only) Fully Automatic, 13 hours maximum Physical Color Dark Grey with white silk screening Door Manually lockable, SEEK/channel select behind the door Environmental Temperature - Operation 14 to 104 ºF (-10 to 40 ºC) Temperature - Storage (-)4 to 122 °F (-20 to 50 °C) Humidity 0 to 95% relative humidity, non-condensing Dimensions 4.25" H x 2.75" W x 1.50" D (108 mm x 70 mm x 38 mm) Unit Weight 0.24 lb (0.11 kg) Unit Weight with Batteries 0.36 lb (0.16 kg) Shipping Weight 0.38 lb (0.17 kg) LA-164 Ear Speaker Audio Frequency Response 20 Hz - 20 kHz Impedance 32 ohm +/- 15% @ 1 kHz Rated Power Input 50 mW Max Power Input 100 mW Sensitivity 115 dB +/- 4dB @ 1 kHz, 1 mW Physical Connector 0.14" (3.5 mm) Color Dark Gray Compliance RoHS Cord Length 36" (914 mm) Weight 0.24 lb (0.11 kg) Shipping Weight 1.0 lb (0.45 kg) LA-122 Universal Antenna Kit RF Number of Capable Channels 57 (17 wide band, 40 narrow band) 72 MHz, 57 (19 wide band, 38 narrow band) 216 MHz Center Frequency 73.500 MHz, 216.500 MHz RF Frequency Range 72.025 MHz - 75.975 MHz, 216.0125 MHz - 216.9875 MHz Antenna Gain Unity Physical Antenna Types Monopole and dipole Dipole Verticle Clearance 80" (2032 mm), 27" (686 mm) Termination Connector Type BNC Mounting Options Wall mount, dual and single electrical box, ceiling electrical box, Mounting Hardware Includes self-tapping sheet metal screws, drywall anchors, Mounting Bracket Dimensions 2.5" H x 4.5" W x 7.0" D (64 mm x 114 mm x 178 mm) Mounting Plate Dimensions 4.48" x 4.55" (114 mm x 116 mm) Weight 4.4 lbs (2.0 kg) Shipping Weight 5.0 lbs (2.27 kg) LA-304 Notification Signage Kit Physical Hard Plague Dimensions 6.0" (152 mm) x 8.0" (203 mm) Soft Cling Dimensions 6.0" (152 mm) x 7.85" (199 mm) Unit Weight 0.37 lb (0.17 kg) Shipping Weight 1.0 lb (0.45 kg) LA-361 AA Alkaline Batteries Power : Classification Alkaline Power : Nominal Voltage 1.5 V Physical : Battery Size AA Environment : Operating Temperature -18 ºC to 55 ºC (0 ºF to 130 ºF) Physical : Unit Weight 0.10 lb (0.05 kg) Physical : Shipping Weight 1.0 lb (0.45 kg) - System Includes
System Includes
- (1) LT-800 Stationary RF Transmitter (72 MHz)
- (1) LA-122 Universal Antenna Kit (72 and 216 MHz)
- (1) LA-326 Universal Rack Mounting Kit
- (4) LR-400 Portable Display RF Receiver (72 MHz)
- (4) LA-164 Ear Speaker
- (4) LA-361 High Capacity AA Alkaline Batteries
- (1) LA-304 Assistive Listening Notification Signage Kit
- Reviews
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