A totally portable cost-effective diagnostic audiometer, which is ideal for both desktop and mobile use. Capable of AC and BC measurements. Easy to use Compact and portable USB connectivity Threshold retention function Optional insert headphones 11 test frequencies -10 to 120 dBHL range (AC) Optional battery powered feature Automatic AC test functionality Optional NOAH interface Functionality The Amplivox 240 offers air and bone conduction audiometry. Standard features include an automatic test function (AC), narrow band masking, an attenuator range up to 120 dBHL and an integral talkover function. Ease of use The clearly laid out control panel makes diagnostic testing as simple and straightforward as possible. The threshold retention function reduces test time and gives a higher level of test subject concentration. Results can be saved in memory, printed with the optional printer and/or transferred to a PC with the optional NOAH interface. Fully portable Designed to satisfy all domiciliary testing requirements, the Amplivox 240 can be supplied with an optional battery power function in addition to the standard mains power adaptor. Its compact size, minimal weight and power options make this a totally portable diagnostic audiometer