Williams AV PLA 90 Portable Induction Counter Loop (Includes Power Supply)Public accommodation of individuals at key customer visitor points of contact. Compact and easy to install, this portable induction loop system readily accommodates individuals with hearing difficulties at a bank teller window, information desk, store counter or anywhere customers visitors need to hear what is being said. The PLA 90 picks up external voices with an integrated microphone or with an optional external microphone. The system transmits the