- Amplifies incoming voices to 45+dB so you can hear better on the phone.
- Selectable Digital Tone Enhancement enhances the speech frequencies you can't hear well, making difficult words understandable again.
- Automatic Gain Control optimizes sound level for superior listening comfort.
- Latest Digital Sound Processing (DSP) technology eliminates most unwanted distortion, echo effects, and static commonly found in ordinary amplifiers.
- Works with virtually all corded landline telephones, connecting between the handset and base.
- Battery (9V) for power outage backup not included; optional AC Adapter sold separately.
Specifications:
Power Source...........................9V Alkaline Battery (Not included)
Power Consumption...................10 mA typical; automatic shut-off if there is no voice
Battery life................................6-12 months depending on usage
Amplification without boost..........30 dB
Amplification with boost...............45 dB
Auto shut-off time to save battery..8-15 seconds if no sound or voice
Compatibility switch.....................(6 positions) + a "by-pass" position
Indicators...................................ON / OFF, and Boost
Controls.....................................Volume, Boost, Tone Control
Optional AC Adapater...................9VDC, 200mA (Not included)
Operating Temperature.................0 to 45 degree C
Storage Temperature...................-20 to 50 degree C
UA-45
Q: ON / OFF indicator is dim or does not turn ON
A: Replace the battery.
Q: Cannot hear a dial tone or cannot hear each other.
A: Make sure the Compatibility switch is in the proper setting.
Q: There is a loud squealing sound in my handset.
A: Try to change the compatibility switch on the right side to find the best quality sound (Compatibility 7 selection is bypass, it will not amplify incoming sound).