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- Mnfr. Part #: SI-UA-50
- Serene Innovations Universal Handset and Headset Amplifier
- Amplifies incoming voices up to 170 times (45+ dB), so you hear every word with unmatched clarity
- Selectable digital tone enhancement allows you to boost and enrich the speech fequencies you can't hear well, making difficult to hear words intelligible again
- Automatic gain control optimizes sound level for superior listening comfort
- Easy headset/handset selection button for extra convenience
- Latest digital sound processing technology eliminates virtually all distortion, echo effects and unwanted static commonly found in other ordinary amplifiers
- Works with virtually all business telephones and headsets; it connects between phone's handset/headset and base
- AC adapter included, battery (9V) optional
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