Profile: New Japan Hearing Aid Co. Ltd. offers hearing aid instruments. We provide hearing mechanism to the hearing impaired. We supply canal aids, full-custom aids, CICs, programmable aids and digital aids. We are accredited with ISO 9001:2000 & ISO 13485:2003 certification. Our hearing mechanism includes two processes such as sound transmission & library of sound. The hearing aid converts the sound waves into electrical signals which enter the microphone & amplifier to convert into the sound waves. Our digital hearing aids use a computer to adjust the sound into digital signals inside the hearing aid for each frequency. NJH is especially developed for digital hearing aid compatible & can handle digital signal processing technology for superior voice. Digital hearing aids can be adjusted to a mainstream.