Product Highlights
- Dedicated frequency band reduces FM interference
- Noise-canceling headset microphone eliminates feedback
- Batteries remain in system with built-in charger
- Lightweight, compact transmitter
- Phonak™Microlink™ Compatible
- Two-year warranty
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Application
The LES-391 is ideal for children with mild hearing loss, cochlear implants, attention deficit disorder and auditory processing disorder. It is also a great tool for English Language Learners as students clearly understand every phoneme and soft consonant the teacher pronounces.
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Product Specifications
LES 391 System Specifications
- Carrier Frequency Range: 216 to 217 MHz
- Channel Bandwidth: 25 kHz
- Frequency Response: 100 Hz to 6 kHz
- Frequency Stability: ±0.005%
- Maximum Deviation: ±6 kHz
- Dynamic Range: > 80 dB (A weighted)
- Signal-to-Noise Ratio: > 80 dB (A weighted)
- Total Harmonic Distortion: < 1%
- Weight (w/batteries and carrying case): 1.75 lbs.
- Dimensions: 7.25"(w) x 4.4"(h) x 3.75"(d)
- PHONAK™ MicroLink™ Compatible Frequencies
* Available in the following Two-Channel Combinations:
N01 - 216.0125 MHz and N09 - 216.2125 MHz
N12 - 216.2875 MHz and N18 - 216.4375 MHz
N64 - 216.5875 MHz and N72 - 216.7875 MHz
N77 - 216.9125 MHz and N80 - 216.9875 MHz
380 Receiver/Amplifier Specifications
- Output Power: 5 Watts (Max)
- Sensitivity: 3 µV (at 40 dB S/N)
- Image and Spurious Rejection: > 40 dB
- Battery Power: Six AA NiMH Rechargeable
- Run Time Capacity: > 10 hours
TK-250 Headset Microphone Specifications
- Frequency Response: 100 Hz – 12 kHz
- Sensitivity: –70 ±4 dB (0 dB = 1V/µbar, 1 kHz)
- Connector Type: 3.5 mm Mini-plug
- Element: Unidirectional, Noise canceling
370T Belt-pack Transmitter Specifications
- RF Output Power: 50 mW
- Spurious Response: 32 dB below carrier
- Microphone Input Impedence: 1 k Ohms
- Battery Power: One AA NiMH Rechargeable
- Run Time Capacity: 20 hours
- Microphone Level Audio Adjust (Variable): 0 to –12 dB
- Weight (w/one AA battery) : 3.2 oz
- Dimensions: 2"(w) x 3"(h) x 0.8"(d)