0812-23456-105 alkesonline78@ yahoo.com Hearing Aid AXVA ( EX-13) .

Hearing Aid AXVA ( EX-13) . 0812-23456-105 alkesonline78@ yahoo.com Product Description AXVA Hearing Aid Model EX-13 Directions EX-13 box-type Hearing Aid is one of the series products developed by AXVA. It use the advanced technology in the world which design according to the characteristics of deaf sufferer. The features include compact design, solid construction, easy to use, low noise input, small distortion, articulate sound output. It is especially ideal for a middle-period deaf sufferer. Main Specifications: A. Maximum saturated output: 130dB~ 4dB B. Maximum gain: 57dB~ 5dB C. Harmonic distortion: 15% ( 1000Hz) 10% ( 1000Hz) E. Equivalent noise input: