Ready To Wear Adjustable Small Mini Ite Hearing Aids Adsound In The Ear Sound Amplifier With A10 Battery For 150 Hours

Ready to wear Adjustable Small Mini Ite Hearing Aids adsound in The Ear Sound Amplifier with A10 Battery for 150 hours G-15

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Product details

The model G-15 is a Ready-to-wear Adjustable Small Mini Ite Hearing Aids adsound in The Ear Sound Amplifier with A10 Battery for 150 hours.

Designed for people with mild to moderate hearing loss and severe loss. 

Details BG副本.jpg

*Extra Small In ear type

*Volume tone adjust

*Sound output Max 125dB

*Sound Gain max 45dB

*Input Noise max 30dB

*Frequency Range 200Hz-5500Hz

*Battery Zinc Air 10A size

*150hours working time


Extra small ITC hearing Aid specification:

Product

Small in ear canal Hearing aids     

Technical Data

IEC 60118-7/ANSI   S3.22-2003

Model

G-15

Peak OSPL 90 ( dB SPL)

125dB

HAF OSPL 90 ( dB SPL)

110dB

Sound Gain/Max

≤45dB

Total harmonic wave distortion

≤5%

Frequency range

200Hz-5500Hz

Equivalent Input Noise (dB)

30dB

Zinc Air battery

A10

Power consumption

DC 1.5V, Current: ≤2mA

Volume switcher

Yes

Battery working

Working day time 15-20 days

Mini Body size         

small body size

Certificates Approved

CE,FCC & ROHS, and the FDA 2017


Processing with Hearing aids[edit by adsound]

Every electronic hearing aid has at minimum a microphone, a loudspeaker (commonly called a receiver), a battery, and electronic circuitry. The electronic circuitry varies among devices, even if they are the same style. The circuitry falls into three categories based on the type of audio processing (analog or digital) and the type of control circuitry (adjustable or programmable).

  • Analog audio

    • Adjustable control: The audio circuit is analog with electronic components that can be adjusted. The hearing professional determines the gain and other specifications required for the wearer, and then adjusts the analog components either with small controls on the hearing aid itself or by having a laboratory build the hearing aid to meet those specifications. After the adjustment the resulting audio does not change any further, other than overall loudness that the wearer adjusts with a volume control. This type of circuitry is generally the least flexible. The first practical electronic hearing aid with adjustable analog audio circuitry was based on US Patent 2,017,358, "Hearing Aid Apparatus and Amplifier" by Samual Gordon Taylor, filed in 1932.

    • Programmable control: The audio circuit is analog but with additional electronic control circuitry that can be programmed by an audiologist, often with more than one program.[36] The electronic control circuitry can be fixed during manufacturing or in some cases, the hearing professional can use an external computer temporarily connected to the hearing aid to program the additional control circuitry. The wearer can change the program for different listening environments by pressing buttons either on the device itself or on a remote control or in some cases the additional control circuitry operates automatically. This type of circuitry is generally more flexible than simple adjustable controls. The first hearing aid with analog audio circuitry and automatic digital electronic control circuitry was based on US Patent 4,025,721, "Method of and means for adaptively filtering near-stationary noise from speech" by D Graupe, GD Causey, filed in 1975. This digital electronic control circuitry was used to identify and automatically reduce noise in individual frequency channels of the analog audio circuits and was known as the Zeta Noise Blocker.

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