DO NOT WASTE YOUR MONEY

It really helps boost the call volume

These CLARITY devices work beautifully to amp up the volume on our phones so that whatever is going on around us doesn't interfere with phone business.

Prompt service, unit is solidly made and worked as describe for desktop landline phones

Even an elderly technophobe could master this piece of equipment.

It works as advertised and she is very happy.

We'll worth the cost.

I work the front desk at a local fitness center and could understand almost nothing from some callers when a bunch of treadmills would all be going at the same time.

These CLARITY devices work beautifully to amp up the volume on our phones so that whatever is going on around us doesn't interfere with phone business.

Sometimes when our office area gets busy & loud with a great deal of activity going on, hearing someone on the other end of a phone conversation can get difficult

The amp only works for the handset

The sound is nice and clear

Prompt service, unit is solidly made and worked as describe for desktop landline phones

Prompt service, unit is solidly made and worked as describe for desktop landline phones

This unit feeds back, squeals & one is unable to hear or be heard

After trying two other types with varying results....both had big disadvantages, this unit works great!