The Listen LT-800-216-01 Stationary RF Transmitter delivers exceptional audio clarity, reliable digital signal strength, and 57 selectable channels, making it ideal for assistive listening applications in classrooms, lecture halls, theaters, houses of worship, and more. Connected to your main audio system, the LT-800-216 broadcasts clear, high-quality audio to belt pack and stationary receivers, ensuring all listeners receive an optimal listening experience.
Featuring balanced and unbalanced audio inputs, this transmitter works with virtually any audio source. A built-in auto processor optimizes both voice and music audio before transmission, while the Look & Listen™ LCD display provides at-a-glance information on channels, programming, and lock status. The VU level meter and test tone simplify installation and setup, making the LT-800-216 a user-friendly, professional-grade solution for venues of any size.
LISTEN LT-800-216-01 Highlights
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57 selectable channels for interference-free operation
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Look & Listen™ LCD display shows channel, programming, and lock status
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Balanced and unbalanced audio inputs for flexible connectivity
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Built-in auto processor optimizes voice and music audio
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VU level meter and test tone for easy setup
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Ideal for classrooms, theaters, lecture halls, houses of worship
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30-day demonstration available for your venue
LISTEN LT-800-216-01 Includes
One (1) LT-800-216-01 Stationary Transmitter (216 MHz)
One (1) LA-207 12 VDC Replacement Power Supply for LT-800
One (1) Quick Reference Card
LISTEN LT-800-216-01 Specifications
+Audio
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Frequency Response
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50 Hz - 15 kHz (±3 dB)
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Signal-to-Noise Ratio
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SQ enabled 70 dB, SQ disabled 50 dB
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Audio Input 1
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Rear panel, one (1) Female XLR or 1/4 in combo connector, balanced, 0 / -55 dBu (line/mic) nominal input level adjustable, +21 / -30 dBu (line/mic) maximum input level, impedance 20k / 1k ohm (line/mic), phantom power +12 VDC
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Audio Input 2
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Rear panel, two (2) phono connectors, unbalanced, -10 / +10 dBu nominal input level adjustable, +30 dBu maximum, impedance 100k ohm
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Audio Processing
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Compression can be turned on/off, slope internally adjustable from 1:1 to 4:1, default 2:1
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Contour
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Cuts and boosts frequencies above 5 kHz
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Distortion
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< 2% total harmonic distortion (THD) at 80% deviation
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Audio Output
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Input 1 and input 2, mixed output (rear panel), two (2) phono connectors, unbalanced, -10 dBu nominal output level, +15 dBu maximum, impedance 10 ohm
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Headphone Output
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Front panel, one (1) 3.5 mm (0.14 in.) stereo connector, unbalanced, adjustable output level, +3 dBu maximum, impedance 10 ohm
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+Controls
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User Controls
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Front Panel: Power, test tone on/off, channel up/down, input levels, mix level, contour, monitor volume controlRear Panel: Input 1 Level, (Line, Mic, Mic-Phantom Power), Input 2 level (-10 / +10 dBu), RF power level (low, mid, high)
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Internal Adjustments
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Compression ratio for audio processor
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Programming
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SQ on/off, process on/off, channel lock
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+Indicators
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LCD
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Channel designation, lock status, RF power level, programming (front panel)
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Audio Input Status LEDs
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Indicates Input 1, Input 2, and Mix audio levels; 10 segment LED's (8 green, 2 red)
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Processing
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Indicated by a green LED when on (front panel)
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Test Tone
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Red LED illuminates when test tone is enabled
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RF Power
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Indicated on the LCD (low, mid, high)
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+RF
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Frequency Range
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216.0125 - 216.9875 MHz
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Number of Channels
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19 wide band, 38 narrow band
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Frequency Accuracy
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± .005% stability +32º to +122 ºF (0º to +50 ºC)
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Antenna Type
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Various antennas available
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Transmitter Stability
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50 PPM
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Transmission Range
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Up to 3,000 ft. (914 m)
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Antenna Connector
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BNC, 50 Ohms (Use RG-58 < 50 ft or RG-8 > 50 ft)
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Output Power
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100 mW (max allowed by FCC)
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Number of Simultaneous Transmitters
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Up to 5
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+Power
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Power Supply
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In line power supply, Listen part number LA-207 (Line cord is determined by the each Country's AC power standards)
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Power Supply Input
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100-240 VAC, 50-60 Hz, 0.4 A
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Power Supply Output
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12 VDC, 1.3 A, 15.6 W
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Power Supply Connector
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0.02 in (5.0 mm) OD, 0.01 in. (2.5 mm) ID, barrel type
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Compliance
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UL, CE, GS, TÜV, RoHS
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+Physical
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Width
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8.50 in. (21.5 cm)
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Height
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1.75 in. (4.5 cm)
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Depth
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9.13 in. (23 cm)
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Color
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Dark Grey with white silk screening
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Unit Weight with Power Supply
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3.5 lbs. (1.6 kg)
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Shipping Weight
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6.0 lbs. (2.7 kg)
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Rack Mounting
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One (1) rack space height, 1/2 rack space wide. One (1) or two (2) transmitters can be mounted in one rack space, optional rack mount (LA-326)
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Weight
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2.6 lbs. (1.2 kg)
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