The Listen LR-4200-216 Intelligent DSP RF Receiver delivers exceptional audio clarity and long-range reception for the 216 MHz band. Part of Listen Technologies’ iDSP line, this compact receiver is lightweight and easy to wear, featuring an integrated neck loop/lanyard and DSP loop driver for enhanced listening with T-coil-equipped hearing aids. Dual 3.5mm outputs allow multiple users to share a single receiver.
Equipped with advanced Lithium-ion rechargeable batteries, the LR-4200-216 offers long-lasting, reliable power for lectures, conferences, classrooms, and other venues. Its OLED display provides clear information on battery life, channel selection, and volume level. A micro USB connection allows for convenient charging and device updates via free iDSP software. Compact, durable, and user-friendly, the LR-4200-216 is an ideal solution for assistive listening in any professional or educational setting.
LISTEN LR-4200-216 Highlights
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High-performance RF receiver with best-in-class sensitivity and 20dB lower noise
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Integrated neck loop/lanyard with DSP loop driver for T-coil listening
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Small, lightweight design for easy wear, storage, and maintenance
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OLED display shows battery, channel, and volume information
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Optional lanyard or belt clip for discreet use
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Advanced Lithium-ion rechargeable battery technology
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Designed for single-channel applications
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Dual 3.5mm output jacks for sharing
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Includes
One (1) LR-4200-216 Intelligent DSP RF Receiver (216 MHz)
LISTEN LR-4200-216 Specifications
+Audio
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System Distortion
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< 2% total harmonic distortion (THD) at 80% deviation
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Output/s
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Two (2) 3.5 mm (0.14 in.) connectors, unbalanced, 0 dBu nominal output level, 16 mW maximum, impedance 32 ohm
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System Frequency Response
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50 Hz - 15 kHz (±3 dB)
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System Signal to Noise Ratio
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SQ enabled 70 dB, SQ disabled 50 dB
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+Controls
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User Controls
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Power, up/down volume
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Programming
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Via software and USB port
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Set-up Controls
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Press and hold up/down volume buttons for 5 seconds to enter channel adjust, use up/down to select channel
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+Indicators
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LEDs
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White, illuminated when unit is on, flashes when batteries are low or to indicate charging, solid when fully charged
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Display
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Channel designation, battery level, unit number, charging status
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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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Sensitivity
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.6uV typical, 1 uV maximum for 12 dB sinad
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Frequency Accuracy
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± .005% stability 32 to 122 ºF (0 to 50 ºC)
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Squelch
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Programmable in 20 steps, automatic on loss of RF signal
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Antenna Type
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Uses ear phone/neck loop lanyard and short ear phone cable or standard earphone cable
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+Power
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Power Supply
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Micro USB connector, 5 V, 500 mA
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Battery Type
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Lithium-ion
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Battery Life
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8 Hours of continuous use
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Battery Charging Time
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Fully charged in 2 Hours
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+Physical
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Color
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Dark Grey
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Unit Weight with Batteries
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2.4 oz (68.1 g)
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Shipping Weight
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3.2 oz (90.8 g) with 16 oz (454 g) minimum
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Dimensions (H x W x D)
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3.75 x 2.0 x 0.64 in. (9.6 x 5.0 x 1.7 cm)
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Unit Weight
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1.6 oz (45.4 g)
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Dimensions with Belt Clip
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3.75 x 2.0 x 0.80 in. (9.6 x 5.0 x 2.1 cm)
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+Environmental
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Temperature - Operation
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14 to 104 ºF (-10 to 40 ºC)
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Temperature - Storage
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(-)4 to 122 °F (-20 to 50 °C)
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Relative Humidity
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0 to 95% relative humidity, non-condensing
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