Listen Technologies Intelligent DSP RF Receiver (216 MHz) - LR-4200-216

Listen Technologies Intelligent DSP RF Receiver (216 MHz) - LR-4200-216

Part Number: LR-4200-216
Our Price: $169.00
Availability: Usually ships the same business day


Intelligent DSP RF Receiver (216 MHz)

The LR-4200-216 receiver from Listen Technologies offers outstanding audio clarity and quality with the best range and reception available for the 216 MHz band.

The LR-4200-216 is the smallest device of its kind, resulting in a compact unit that won't burden the end user. Part of our Intelligent Digital Signal Processing (iDSP) line, is features an integrated neck loop/lanyard that is easy to wear, and the DSP loop driver offers an improved listening experience for anyone with a T-coil-equipped hearing aid. Dual 3.5mm output jacks also allow receivers to be shared between users.

Each receiver is also equipped with a micro USB connection, making it easy for venues to charge and update the units with free iDSP software via any standard USB port.

Extended speaking sessions, presentations and more can be challenging for other devices, but the LR-4200-216 incorporates advanced Lithium-ion rechargeable batteries that offer long life and reliable power. Charge status, along with channel information and volume level, are easy to read on the integrated OLED display.

From lecture halls to conferences, classrooms and more, the LR-4200-216 is an outstanding receiver choice for any venue looking to offer convenient, reliable assistive listening.

Key Features
  • High performance RF receiver offering best-in-class sensitivity and 20dB less noise than other devices
  • Integrated neck loop/lanyard with DSP loop driver for an enhanced T-coil listening experience
  • Smallest device of its kind makes it easier to wear and use and for venues to dispense, store and maintain
  • OLED display showing channels, battery status, channel status, volume level, and more
  • Limited lifetime warranty with hassle-free support
  • Lanyard and belt clip options offer convenient and discreet choices for the end user
  • Advanced rechargeable battery technology eliminates the costs and hassles associated with frequent battery replacement
  • Designed for single-channel applications
  • One (1) LR-4200-216 Intelligent DSP RF Receiver (216 MHz)*

*The LR-4200-216 comes with a quick start guide and a non-proprietary field replaceable Lithium-ion battery.


System Distortion< 2% total harmonic distortion (THD) at 80% deviation
Output/sTwo (2) 3.5 mm (0.14 in.) connectors, unbalanced, 0 dBu nominal output level, 16 mW maximum, impedance 32 ohm
System Frequency Response50 Hz - 15 kHz (3 dB)
System Signal to Noise RatioSQ enabled 70 dB, SQ disabled 50 dB
User ControlsPower, up/down volume
ProgrammingVia software and USB port
Set-up ControlsPress and hold up/down volume buttons for 5 seconds to enter channel adjust, use up/down to select channel
LEDsWhite, illuminated when unit is on, flashes when batteries are low or to indicate charging, solid when fully charged
DisplayChannel designation, battery level, unit number, charging status
Frequency Range216.0125 - 216.9875 MHz
Number of Channels19 wide band, 38 narrow band
Sensitivity.6uV typical, 1 uV maximum for 12 dB sinad
Frequency Accuracy .005% stability 32 to 122 F (0 to 50 C)
SquelchProgrammable in 20 steps, automatic on loss of RF signal
Antenna TypeUses ear phone/neck loop lanyard and short ear phone cable or standard earphone cable
Power SupplyMicro USB connector, 5 V, 500 mA
Battery TypeLithium-ion
Battery Life8 Hours of continuous use
Battery Charging TimeFully charged in 2 Hours
ColorDark Grey
Unit Weight with Batteries2.4 oz (68.1 g)
Shipping Weight3.2 oz (90.8 g) with 16 oz (454 g) minimum
Dimensions (H x W x D)3.75 x 2.0 x 0.64 in. (9.6 x 5.0 x 1.7 cm)
Unit Weight1.6 oz (45.4 g)
Dimensions with Belt Clip3.75 x 2.0 x 0.80 in. (9.6 x 5.0 x 2.1 cm)
Temperature - Operation14 to 104 F (-10 to 40 C)
Temperature - Storage(-)4 to 122 F (-20 to 50 C)
Relative Humidity0 to 95% relative humidity, non-condensing
StandardsFCC Part 15, Part 90, Industry Canada, RoHS