The Listen Technologies LR-4200-IR-P1 is a ListenIR receiver pack containing an LR-4200-IR infrared receiver, an LA-430 neck loop lanyard and an LA-401 ear speaker. It adds one complete listening position to an LT-84 infrared system, for hearing aid users and people without a telecoil. Used in theatres, courtrooms, council chambers, boardrooms and places of worship.
3
Items in pack
4
Channels
8 hrs
Battery, typical
Features
Pack: LR-4200-IR receiver, LA-430 neck loop lanyard, LA-401 universal ear speaker
Neck loop for telecoil hearing aids and cochlear implants
Ear speaker for listeners without a telecoil
Infrared receiver for ListenIR LT-84 systems, four selectable channels
Two 3.5 mm outputs, so a receiver can be shared
OLED display shows channel name, battery, volume and charge status
Rechargeable, field-replaceable lithium-ion battery
Micro USB for charging, setup and firmware updates with Listen iDSP software
Specifications
| Contents | 1x LR-4200-IR, 1x LA-430, 1x LA-401, quick start guide |
| Carrier frequencies | 2.3, 2.8, 3.3, 3.8 MHz (4 selectable channels) |
| Coverage | 2,787 m² single channel with LT-84/LA-141 |
| Sensitivity | Better than 1 nW/cm² at 40 dB SNR |
| Outputs | 2x 3.5 mm, 0 dBu nominal, 16 mW max, 32 ohm |
| Frequency response | 63 Hz to 15 kHz (±3 dB) system |
| Signal-to-noise ratio | Mono >60 dB, stereo >52 dB |
| Battery | Lithium-ion, field replaceable; 8 hours typical, 2.5 hours to full charge |
| Charging | Micro USB, 5V 500 mA |
| Dimensions (H x W x D) | 96 x 50 x 17 mm (21 mm with belt clip) |
| Weight | 79.4 g with battery |
| Operating temperature | -10 to 40°C |





