Sensaphonics Prophonic 321

Designed as the first true full-isolation interruptible feedback (IFB) earphones for broadcasting and teleprompting, the ProPhonic 321™ provides outstanding performance for both crew and on-air talent. Unlike traditional IFB earphones, the custom-molded ProPhonic 321 places a micro-transducer directly within the ear canal, providing 26 dB of isolation from external sounds so that the critical earphones communications can be heard and understood in even the noisiest environments without - raising the volume.