There are basically two types of hearing aids, the analog and the digital hearing aids. The analog devices are equipped with analog amplifiers while the digital hearing aids are equipped with digital amplifiers. Digital hearing aids are considerably better than analog devices in terms of noise filtering, power usage and voice amplification. As a result, digital hearing aids are preferred over analog hearing aids and cost a little bit more expensive. The best digital hearing aidss are equipped with even more sophisticated features such as Bluetooth and wireless technology. Besides, most of them have remote control that can be activated by voice. Digital hearing aids are more durable and smaller in terms of size. As such, they usually can fit comfortably into the ear without any problem.