The Serene Innovations UA-50 phone amplifier with H141N headset from Harris Communications, Eden Prairie, Minn, is for people who need extra amplification on their phone at work. The phone amplifier attaches easily to business phones for loud and clear calls that are amplified up to 170 times louder on handsets or headsets.

The device is available with the H141N DuoSet noise-cancelling headset with RJ9 adapter that is worn over the ear or over the head, allowing users to multitask while keeping their hands free.

Other headset options are available.