Telex SR-400 Assistive Listening Soundmate 17-Channel Personal Receiver

The Telex SR-400 is a portable VHF receiver designed for assistive listening applications. Operating within the 72–76 MHz frequency range, it offers 17 selectable narrow-band channels, providing flexibility in environments with multiple transmitters. Its digital PLL synthesizer ensures precise tuning, while the backlit LCD display facilitates easy monitoring of settings.

Engineered for clarity, the SR-400 features treble boost control and E.D.R. compander circuitry to enhance audio intelligibility and maintain consistent output levels. The ergonomic design includes a raised volume control knob for quick adjustments and a recessed headphone jack for secure connections. Powered by two AA batteries, it offers up to 20 hours of continuous use, making it suitable for extended events and venues.

Key Features:

• 17 selectable narrow-band frequencies in the 72–76 MHz range
• Digital PLL synthesizer for precise tuning
• Backlit LCD display with on/tuning indicators
• Treble boost control for enhanced intelligibility
• E.D.R. compander circuitry for consistent output levels
• Ergonomic raised volume control knob
• Recessed 1/8" mini jack headphone connector
• Operates on two AA batteries (up to 20 hours with alkaline, 10 hours with NiCad)
• Uses earphone wire as antenna
• Mounting options: belt or pocket

Technical Specifications:

• Type of Receiver: Assistive Listening Receiver
• RF Carrier Frequency Range: 72–76 MHz
• Approx. Working Range: 300 feet
• Overall Frequency Response: 100 Hz – 10 kHz (+/-3dB)
• Signal-to-Noise Ratio: >60 dB
• Number of Channels: 17
• Type of Output(s): 1 x 1/8" Mini Jack
• Headphone Monitoring: 1 x 1/8" Mini
• Power Requirements: 2 x AA Batteries
• Battery Type/Approx. Life: 30 Hours (Alkaline), 10 Hours (NiCad)
• Display: Backlit On/Tuning Indicator
• Mounting Options: Belt or Pocket
• Antenna Type: Uses Earphone Wire
• Dimensions: 4 x 2.75 x 1 inches (101 x 70 x 25 mm)
• Weight: Not Specified by Manufacturer

Package Contents:

• Telex SR-400 17-Channel Assistive Listening Receiver
• Belt Clip
• Limited 3-Year Manufacturer Warranty