Siemens Signia Intuis 3 SP BTE Hearing AidsSiemens Intuis 3SP hearing aid equipped with 12 Channel Resolution. Suitable for Severe to Profound hearing loss. Siemens Intuis 3SP hearing aid offer more frequency shaping than any other comparable hearing aid in this class. It is equipped with noise reduction function and feedback cancellation system, both of which further add to a convenient listening experience. Fitting range upto 120dBHl. Twin Microphone. IP67 rated. Resistant to moisture, s..