Telex HED-1 Ultra Lightweight Headphones (Discontinued)
Usually arrives in 5-9 business days.
The Telex SM-2 SoundMate personal listening system help overcome background noise and poor building acoustics that can make listening difficult for the hearing impaired listener.
A Telex base station, portable belt pack transmitter, your choice of receivers, and a wide assortment of accessories allow you to meet the needs of individuals who require hearing assistance. These listening systems are even compatible with a variety of hearing instrument styles for hearing aid users. Let Telex, the acknowledged leader in personal assistive listening products, help you select the system that’s right for any listening environment.
The ST-300 Base Transmitter features 17 user selectable frequencies digitally controlled from the front panel control buttons, a headphone jack with adjustable level for input signal monitoring, and a backlit LCD display that shows Channel, Frequency and Audio Input Level. On the back of the unit is a balanced XLR-3F as well as an unbalanced 1/4” input. Front panel controls and LCD display allow the user to select mic, line, and 70 volt input options, attenuate the input levels and change hi/low RF transmit power. A new feature called Enhanced Dynamic Range (E.D.R.) works with the SR-400 receiver to provide clearer, more dynamic audio.
The SR-50 single channel receiver provides clear reception and the simplicity of a fixed channel. This economical receiver operates on one of 17 fixed narrow-band frequencies in the 72-76 MHz band. Ergonomic raised volume control knob make level adjustments easily accessible by feel. Recessed headphone jack provides extra protection for earphone connections. Two AA batteries give up to 30 hours continuous battery life.
ST-300 Base Transmitter:
SR-50 Receivers:
| ST-300 Base Transmitter | |
|---|---|
| Audio Input Characteristics | XLR-3F Balanced, 1/4" unbalanced |
| Antenna | Detachable ¼ wave telescoping |
| Modulation | FM, +/- 25 KHz deviation |
| Frequency Response (System) | 100 Hz to 10,000 Hz |
| Automatic Gain Control Range | 30 dB |
| System Signal to Noise | 58 dB, > 77 dB with E.D.R. |
| Preemphasis | 100 micro seconds |
| Maximum Power | 80K micro Volt/m @ 3 m (25K micro V/m in Normal) |
| Power Requirements | 13-20 Vdc or 12 Vac; 115Vac 60 Hz @ 300 mA plug-in wallpack power supply |
| Dimensions (H x W x D) | 1.75" (44.45 mm) x 7.5" (190.5 mm) x 5.9" (149.86 mm) |
| SR-50 Receivers | |
| 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 |
| 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 |
| Earphone Connector Type | 3.5 mm mini stereo or mono |
| Channels Available | 72.1, 72.2, 72.3, 72.4, 72.5, 72.6, 72.7, 72.8, 72.9, 74.7, 75.3, 75.4, 75.5, 75.6, 75.7, 75.8, 75.9 |
| Dimensions (H x W x D) | 3.9" (99.06 mm) x 2.7" (68.58 mm) x 1" (25.4 mm) excluding belt clip |
| Weight | 0.29 lbs (136 grams) including batteries |
*SM case sold separately.
Model #:
Usually arrives in 5-9 business days.