• 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.

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.