The Intelligent DSP RF Receiver (216 MHz) delivers exceptional audio clarity and reliability, featuring an integrated neck loop/lanyard and advanced battery technology for extended use.
$227.00
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The LR-4200-216 receiver from Listen Technologies is engineered to provide outstanding audio clarity and quality, with the best range and reception available in the 216 MHz band. This receiver is the smallest device of its kind, ensuring a compact unit that is easy for end users to handle.
Part of the Intelligent Digital Signal Processing (iDSP) line, the LR-4200-216 features an integrated neck loop and lanyard for comfortable wear. The DSP loop driver enhances the listening experience for individuals using T-coil-equipped hearing aids, while dual 3.5mm output jacks allow the receivers to be shared between users.
Each receiver comes with a micro USB connection, making it simple for venues to charge and update units using free iDSP software through any standard USB port.
Designed for extended speaking sessions, presentations, and more, the LR-4200-216 incorporates advanced Lithium-ion rechargeable batteries that provide long-lasting and reliable power. The integrated OLED display clearly shows charge status, channel information, and volume level for easy monitoring.
Whether for lecture halls, conferences, classrooms, or other venues, the LR-4200-216 is an exceptional choice for providing convenient and reliable assistive listening. The package includes one LR-4200-216 Intelligent DSP RF Receiver, a quick start guide, and a non-proprietary field replaceable Lithium-ion battery.
Audio
| System Distortion | < 2% total harmonic distortion (THD) at 80% deviation |
| Output/s | Two (2) 3.5 mm (0.14 in.) connectors, unbalanced, 0 dBu nominal output level, 16 mW maximum, impedance 32 ohm |
| System Frequency Response | 50 Hz – 15 kHz (±3 dB) |
| System Signal to Noise Ratio | SQ enabled 70 dB, SQ disabled 50 dB |
Controls
| User Controls | Power, up/down volume |
| Programming | Via software and USB port |
| Set-up Controls | Press and hold up/down volume buttons for 5 seconds to enter channel adjust, use up/down to select channel |
Indicators
| LEDs | White, illuminated when unit is on, flashes when batteries are low or to indicate charging, solid when fully charged |
| Display | Channel designation, battery level, unit number, charging status |
RF
| Frequency Range | 216.0125 – 216.9875 MHz |
| Number of Channels | 19 wide band, 38 narrow band |
| Sensitivity | .6uV typical, 1 uV maximum for 12 dB sinad |
| Frequency Accuracy | ± .005% stability 32 to 122 ºF (0 to 50 ºC) |
| Squelch | Programmable in 20 steps, automatic on loss of RF signal |
| Antenna Type | Uses ear phone/neck loop lanyard and short ear phone cable or standard earphone cable |
Power
| Power Supply | Micro USB connector, 5 V, 500 mA |
| Battery Type | Lithium-ion |
| Battery Life | 8 Hours of continuous use |
| Battery Charging Time | Fully charged in 2 Hours |
Physical
| Color | Dark Grey |
| Unit Weight with Batteries | 2.4 oz (68.1 g) |
| Shipping Weight | 3.2 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 Weight | 1.6 oz (45.4 g) |
| Dimensions with Belt Clip | 3.75 x 2.0 x 0.80 in. (9.6 x 5.0 x 2.1 cm) |
Environmental
| Temperature – Operation | 14 to 104 ºF (-10 to 40 ºC) |
| Temperature – Storage | (-)4 to 122 °F (-20 to 50 °C) |
| Relative Humidity | 0 to 95% relative humidity, non-condensing |
Compliance
| Standards | FCC Part 15, Part 90, Industry Canada, RoHS |
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