Hearing Centre in Nungambakkam Are you looking for a hearing centre to do Audiometry test and purchase hearing aid... Hearing Centre in Nungambakkam deals with multiple brands of hearing aids at reasonable price. Different brands that we deal with are Phonak, Widex and Resound hearing aids. These are top brands with latest technology and rechargeability. The price of these hearing aids range from Rs.19000 to Rs.3, 60, 00 depending on the channels and features.