Telex ST-300 17-Channel Base Transmitter (Discontinued)
Usually arrives in 5-9 business days.
The Telex SR-400 17-Channel Personal Receiver features a backlit LCD channel display, low battery indicator, and compatibility with the E.D.R. feature in the ST-300 and PST-170 transmitters for improved sound quality.
Telex SR-400 Multiple Channel Personal Receiver
The perfect solution to multiple transmitter hearing assistance systems. The SR-400 features an advanced digital PLL synthesizer to tune all 17 narrow-band frequencies offered in the 72 - 76 MHz band and a backlit LCD display. The receiver also includes a special high frequency contour filter and boost switch to increase the intelligibility of the audio signal, and E.D.R. for increased dynamic range. Additional features include a battery saving automatic power shutoff when the earphone is unplugged.
| RF Frequency Range | 72.1 - 75.9 MHz |
|---|---|
| Audio Response | 100 - 10,000 Hz +/- 3 dB |
| Modulation | FM, +/- 25 KHz deviation |
| Harmonic & Spurious Emissions | Meets FCC part 15 |
| Sensitivity | 0.5 µv typical, 1.0 µv maximum, 12 dB SINAD @ 25 KHz deviation |
| Image Rejection | >65 dB |
| Signal-to-Noise Ratio | >65 dB, >77 dB with E.D.R. |
| Distortion | |
| Audio Output | @10% distortion ----- Into 8 Ohms--48 mW Into 32 Ohms--30 mW |
| Antenna Type | 1/4 wave omni-directional, in earphone cord |
| Batteries | 2 AA-size alkaline (20 hrs. continuous use), or 2 Ni-MH (14 hrs. continuous use) |
| Audio Controls | Volume, On/Off, High Frequency Boost (push-on type) |
| Earphone Connector Type | 3.5 mm (0.138 inch) mini stereo or mono |
| Dimensions (H x W x D) | 3.9" (99.06 mm) x 2.7" (68.58 mm) x 1.0" (25.4 mm) excluding belt clip |
| Weight | 4.8 oz. (136 grams) including batteries |
Model #:
Usually arrives in 5-9 business days.
Model #:
Usually arrives in 5-9 business days.
Model #:
Usually arrives in 5-9 business days.