Sarabec PL51 PhonePlus in-line telephone handset amplifier
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.
Read more »