The Z Series i20 is a standard hearing aid manufactured by Starkey incorporating their very latest processing chip.
It has 4 channels,
moderate noise reduction using the latest algorithm (Voice IQ2),
adaptive directionality (Acuity Directionality) and
whereby the hearing aid automatically increases the strength of Voice IQ2 to its
maximum level whenever directionality is activated.
the Z Series i70 has mild machine noise reduction and mild wind noise reduction.