Order at: https://shop.irishdeaf.com/sarabec-pl51-phoneplus-in-line-telephone-handset-amplifier
The Phoneplus PL51 telephone amplifier is a discreet, stylish, battery-operated device that connects between the base unit and handset of most corded handset telephones. It can be left connected when no volume or tone boosting is needed without affecting the performance of your telephone. The Phoneplus automatically switches “on” when the handset is lifted and switches “off” when the handset is replaced.
If telephone callers’ voices seem very quiet or muffled you will benefit from using our Phoneplus. The Phoneplus is used to increase the volume of the caller’s voice through your handset with the addition of boosting high or low tones if required. Callers voices can be amplified by up to 40 dB (100 times) with additional tone control of +/- 6 dB helping to improve clarity.
It has a 3.5mm headphone socket for use with headphones, inductive neck loop or direct input leads. It also a choice of 4 compatibility settings, ensuring it will work with the vast majority of phones.
This unit is only for use with telephones with a detachable handset (i.e. phones where you can unplug the handset curly cord).