This distributor is a fixed installation in the therapy room. With this unit, you can install any number of headphone outputs in every room. The version & variety of the outputs can be different.
The simple version has only a headphone output (with the option to regulate the volume for bone-and air conduction) and a jack socket for an additional bone transducer.
The expanded version provides an additional microphone input and a second headphone output. The microphone input is specific for ‘active’ work and for recording of the mother’s voice. The second headphone output allows the therapist to listen in to the practice of the ‘active’ voice work and recording