Ultra 130 it is a standard pc diagnostic audiometer Affordable price as compared with other products with similar accessories and possibilities. The price includes: noise shields, free field speaker, speech audiometry, software for data storage. The audiometer is compatible with PC / Laptop, with USB 2.0, Effetha software and Windows XP / VISTA. Energy saving – it consumes only 2W of electric power via computer. Perfect for diagnosis of small and large hearing loss. Maximum sound level is 130 dBHL.