Though Audio-kit and Phonak
provide assorted products,
there are several similarities...

Audio-kit microphones and accessories

The blue and red transmitters when equipped with different types of microphones become wireless microphones: Clip-on microphone, Omnidirectional, Directional. When equipped with an audio cable or Bluetooth adapter, they wirelessly transmit audio from various devices. Blue and red transmitters functionally correspond to Phonak microphones
The blue and red transmitters equipped with the right microphones will have similar functionalities as Roger Select

Phonak microphones and accessories

Roger Pen™ Roger EasyPen Roger Clip-On Mic
Roger Select is a versatile microphone ideal for stationary situations where background noise is present such as restaurants.

Audio-kit receivers allow the impaired person to "manufacture" his hearing aids

To each one of these two receivers can be attached any type of earphone, headphone, earbud etc.
And with each attachment you will have "manufactured" a new hearing-aids

Phonak receivers
are part of hearing aids manufactured by Phonak

The cost of buying the microphones and accessories add to the cost of buying the Phonak hearing-aids.
With audio-kit the microphones and the accessories are part of the audio-kit hearing solutions

Similar Solutions

Audio-kit solutions

Phonak Solutions

Audio-Kit 13 uses
Phonak brochure