The LR-4200-072 receiver delivers superior audio clarity, compact design, and reliable performance for assistive listening systems.
$227.00
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The LR-4200-072 receiver provides exceptional audio clarity and reception, featuring a compact iDSP design that ensures user comfort. Its integrated neck loop enhances T-coil hearing aid experiences, while dual output jacks allow sharing. Equipped with a micro USB for easy programming, charging, and updates, it’s powered by advanced Lithium-ion batteries for extended use. The OLED display shows key info like channel and volume. Ideal for classrooms, boardrooms, and conferences, it ensures reliable assistive listening.
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 80 dB, SQ disabled 60 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 | 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 | 72.0250 – 75.9500 MHz |
| Number of Channels | 17 wide band, 40 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 3.7 Vdc, 1200 mAh |
| Battery Life | 8 Hours of continuous use |
| Battery Charging Time | Fully charged in 2.5 Hours |
Physical
| Color | Black |
| Unit Weight with Batteries | 2.40 oz. (68 g) |
| Shipping Weight | 3.20 oz. (91 g) with 1.0 lbs. (454 g) minimum |
| Dimensions (H x W x D) | 3.75 x 2.00 x 0.64 in. (9.6 x 5 x 1.7 cm) |
| Unit Weight | 1.60 oz. (45 g) |
| Dimensions with Belt Clip | 3.75 x 2.00 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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