US Patent 7003128 Hearing device set for testing a hearing device

For testing a hearing device a hearing device set is proposed comprisingat least one hearing device with at least one acoustical/electrical input converter, at least one electrical/acoustical output converter, at least one communication link tap at the outer surface of said device for wire-bound, optical, wireless or electromagnetic communication to the external,a packaging box for the device specifically conceived for holding the device therein,within said box an acoustical coupler with an acoustical input applicable to said acoustical output of said device and with an acoustical output applicable to the acoustical input of said device.