A middle ear implant transducer of a hearing aid includes: first and second permanent magnets arranged such that the same poles of the first and second permanent magnets face each other; first and second vibrating members attached to both edges of the respective first and second permanent magnets; a coil enclosing the first and second permanent magnets and being separated a predetermined distance from the outer surfaces of the first and second permanent magnets between the first vibrating member and the second vibrating member; and first and second covers mounted on the outer surfaces of the first and second vibrating members, wherein the first and second vibrating members comprise couplers respectively attached to the first and second permanent magnets, rims respectively attached to the edges of the first and second covers, and support films respectively connecting the couplers to the rims and being thinner than the couplers and the rims.