Product Overview
Listen Technologies LR-400-072 Portable Display RF Receiver (72 MHz); Can Receive up to 17 Wide-Band or 40 Narrow-Band Channels
Offering the same high-performance audio and convenient recharging features as our other receivers, the LR-400-072 Portable Display RF Receiver is an affordable option for establishing or expanding your assistive listening system.
Capable of receiving up to 17 wide-band or 40 narrow-band channels, the LR-400-072 features a digital LCD display, channel seeking capabilities, and compatibility with mono or stereo headphones.
Key Features:
- Cost-effective solution to beginning or expanding your RF assistive listening system
- Can receive up to 17 wide-band or 40 narrow-band channels
- Easy-to-read LCD display with battery status, channel information, and signal strength readings
- Channel seek capabilities
- 80 dB signal-to-noise ratio for industry-leading sound quality
- Built-in SmartCharge feature prevents overcharging
- Simple drop-in charging compatible with Listen Technologies’ charging cases and plugs
- Compatible with mono and stereo headphones
- Limited lifetime warranty and hassle free support from Listen Technologies
Specifications:
| AUDIO | |
| Frequency Response | 50 Hz - 15 kHz (±3 dB) |
| Signal-to-Noise Ratio | SQ enabled 80 dB, SQ disabled 60 dB |
| Audio Output Jacks | 3.5 mm (0.14 in.) connectors, unbalanced, 0 dBu nominal output level, 16 mW maximum, impedance 32 ohm |
| Distortion | < 2% total harmonic distortion (THD) at 80% deviation |
| CONTROLS | |
| User Controls | Channel up/down, SEEK, volume, Alkaline/NiMH batteries, SQ enable/disable |
| Programming | Channel lock, squelch |
| INDICATORS | |
| LCD | Channel designation, battery level, battery charging, RF signal strength and channel lock |
| LEDs | Red, illuminated when unit is on, flashes when batteries are low or to indicate charging, flashes when locked and SEEK is pushed |
| RF | |
| Frequency Range | 72.025 - 75.950 MHz |
| Number of Channels | 17 wide band, 40 narrow band |
| Power Supply | I/P 120 VAC; O/P 7.5 VDC 250 mA, drop in contact points for use with charging cases, power supply not included (LA-208) |
| Power Supply Connector | 0.09 in. (2.3 mm) OD by 0.7 mm ID, barrel type connector 7.5 VDC, center positive < 250 mA, drop in contact points for use with Listen charging cases |
| Battery Type | Two (2) AA batteries, alkaline or NiMH |
| Dimensions | 2.75 x 4.25 x 1.50 inches |
| Weight | 3.9 oz |
