Friday, 26 February 2016

Invisible Hearing Aid

A hearing aid or deaf aid is an electroacoustic device which is designed to amplify sound for the wearer, usually with the aim of making speech more intelligible, and to correct impaired hearing as measured by audiometry. In the United States, Hearing Machine are considered medical devices and are regulated by the Food and Drug Administration (FDA). Ordinary small audio amplifiers or other plain sound reinforcing systems cannot be sold as "hearing aids".

Earlier devices, known as ear trumpets or ear horns, were passive funnel-like amplification cones designed to gather sound energy and direct it into the ear canal. Similar devices include the bone anchored hearing aid, and cochlear implant.

Hearing Aids
Our Price : Rs 1250

In-the-canal aids fit far into the ear canal, with only a small bit extending into the external ear. The smallest is the Micro Canal, which fits out of sight down next to the eardrum and is removed with a small transparent wire. These are extremely expensive, but they are not visible, offer better acoustics, and are easier to maintain. They can more closely mimic natural sound because of the position of the microphone; this position also cuts down on wind noise. But their small size makes them harder to handle, and their battery is especially small and difficult to insert. Adjusting the volume may be hard, since a person must stick a finger down into the ear to adjust volume, and Invisible Hearing Aid very tiny aid doesn't have the power of other, larger, aids.

Hearing Aids
Item Code : WCI-42
Net Price : Rs 1225
( Apply Coupon Code 
'MSW2365' Get 2% Discount )

Hearing Aids Features:
  • Brand new and high quality hearing aid sound amplifier
  • Super mini size and light weight, not easily to be seen
  • Adjust volume to the minimum before wearing
  • Increase volume gradually to avoid sudden increase in sound
  • Convenient for watching movie, enjoying the drama, attending meeting, or having class
  • It could help you hear the sound clearly and loudly

Hearing Aids Measurements:
  • Max Sound Output: 129±4 dB
  • Max Sound Gain: 58dB ± 5dB
  • Harmonic Wave Distortion: f<1000Hz≤15%, f>1000Hz≤10%
  • Frequency Range: 450~3500hz
  • Input Noise: ≤30 dB
  • Battery: 5# dry battery                    
  • Working Voltage dc1.5V                      
  • Working Current: ≤5mA  
Hearing aids are incapable of truly correcting a hearing loss; they are an aid to make sounds more accessible. Two primary issues minimize the effectiveness of hearing aids. The most reliable method for assessing the correct adjustment of a hearing aid is through real ear measurement. Real ear measurements (or probe microphone measurements) are an assessment of the characteristics of hearing aid amplification near the ear drum using a silicone probe tube microphone.

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