Clarity, a division of Plantronics, creates smart communication solutions that help seniors live richer, more engaged lives with amplification devices such as amplified phones and amplified headsets in different variations, like amplified cordless phones. Founded more than 40 years ago, Clarity is the world leader in amplified telephones, notification systems and assistive listening. MaxiAids selection of Clarity amplification devices for seniors includes the AlertMaster AL10 Clock-Vibrator-Door Knock System and the Alto Amplified 53dB Big Button Speakerphone.