30
Participants
Start Date
December 31, 2014
Primary Completion Date
March 31, 2015
Study Completion Date
March 31, 2015
hearing aid NaidaUP
Standard Power Hearing instruments including different frequency lowering techniques
hearing aid NaidaSP
Standard Power Hearing instruments including different frequency lowering techniques
Hoerzentrum Oldenburg, Oldenburg
Phonak AG, Switzerland
INDUSTRY