It is the highest model of the Resound Quattro series.
Replacement Cushion for Resmed Quattro FX and Quattro FX for her
Quattro Air & Quattro Air for her Replacement Cushion
GN Resound S Receiver
GN ReSound SureFit 2C Receivers
ReSound GN Hearing C-3 Hearing Aid Charge Station (A61)
