Amplivox Audiometer Model 270+ products from the United Kingdom It is a 2-channel audiometer that can test hearing by conducting sound through the air (Air Conduction) and testing hearing through the bone (Bone Conduction), as well as check hearing using speech (Speech).
 

• Measures hearing up to 11 frequencies ranging from 125 Hz to 8000 Hz, from which the examiner can select one.
• The signal volume can be selected from -10 decibels to 120 decibels, which can be selected in steps to increase or decrease the volume by 1, 2, or 5 decibels.
• It has a masking function that lets noise into one ear while measuring the other ear to prevent crossover noise.
• There is a special examination for diagnosis, such as a special hearing test to distinguish the location of the lesion (Bekesy audiometry), a test to separate the hearing noise from the auditory nerve endings in the inner ear (SIIS Test), a test to separate the hearing noise from the auditory nerve and brain fatigue (Tone Decay Test), etc.
• There are also special tests for diagnosis, such as a hearing test by a special method to isolate the location of the lesion (Bekesy Audiometry), an examination of the auditory sound of the auditory nerve endings in the inner ear (SIIS Test), an examination of the auditory sound of the auditory nerve and brain fatigue (Tone Decay Test), etc.
• You are able to use the device as a stand-alone or work with a PC.
• Small size, light weight, easy to transport, and simple to use.