PHONAK / UNITRON/ HANSATON SPEAKER/ RECEIVER WIRES. Genuine product ordered directly from Sonova Group: Unitron/ Phonak/ Hansaton. Phonak/ Unitron/ Hansaton Receiver Wires SDS 4.0. Phonak, Unitron, Hansaton, Vista, AudioNova, Audition Sante, Laperre, Geers, Vitakustik, Schoonenberg, Triton Hearing, Boots Hearingcare, Connect Hearing, Audium.