ITEM#: HC-UA50 UA-50 Telephone Handset/Headset Amplifier

Technical Specifications

Power source 9 volt alkaline battery (Not Included)

Battery 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 of 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, Compatibility

AC adapter 9 vdc. 200 ma (included)

Operating temperature 0 to 45 degree C

Storage temperature -20 to 50 degree C