Siemens Amiga 178 Ao Pp For Both ear Hearing Aid(White, Blue)

Siemens Amiga 178 PP AO- profound loss Features: * Max Power Output 140 dB SPL / Gain 80 dB * High power, high gain instrument * High Power for Severe to Profound Loss * Sturdy and good looking housing with attractive finish. * Top-mounted Omni directional electret condenser microphone for reliable operation * 3-position M-T-O Switch * Trimmer controls allow for independent adjustment of : Frequency N-N AGCI * Powerful Telecoil