Phonak Naida Q50 hearing assistance. The Phonak Naída Q50 offers the most advanced features based on our unique Binaural VoiceStream Technology. They allow improved hearing in a broad range of challenging situations – such as on the phone, outdoors or when in noise. Speech in wind this feature detects the wind noise in both hearing aids. The aid with the better speech signal is identified and the good signal is streamed to the other side. This results in better speech understanding on a windy day. Auto StereoZoom increases speech understanding in loud environments. The hearing aid does not need manual adjustments as it automatically focuses on a single voice, allowing effortless interaction in noisy situations. SoundRecover, It is the only effective way to extend hearing by restoring high-frequency sounds that would otherwise be inaudible. Audibility of the full spectrum of sounds improves speech understanding, awareness of the sound environment and listening pleasure.