Welcome to Quarry Hearing, Baltimore’s top practice, where it is our mission to improve the lives of people. our services include: “Up to 3 years warranty and loss/damage coverage. Up to 3 years free Batteries and office visit “. We perform comprehensive hearing exams, hearing evaluations and fittings of the most advanced hearing aids. We offer a wide range of hearing aids from many top manufacturers to help everyone find a device to suit their hearing loss.