A Light and Small PortableAudiometer for Basic Screening Small and powerful audiometer - the MA 25 is oneof our smallest and lightest audiometers with a full range of testingopportunities. With only 980 g and a size that fits into your hand, the MA 25 isideal for the use as a mobile audiometer. It is sturdy and reliable towithstand many trips to all the different locations your patients are waitingfor you. Features at a glance: Audiometer with air conduction: 11 frequenciesfrom 125 to 8000 Hz Pure tone, warble tone (pulsed or continuous) Customize thefrequencies to fit your needs Portable and lightweight with only 980 g formobile audiometric testing Use with 3 AA batteries, with a medically approvedexternal power supply or with a USB cable from your laptop Full Range ofTesting The MA 25's frequencies range from 125 Hz to 8000 Hz and signalintensities are adjustable in 1 or 5 dB steps from -10 to 100 dBHL. Pure toneand warble tone stimulus, either continuous or pulsed, complete the screeningfunctions of the MA25. Adjust frequencies and hearing levels easily with theuser-friendly knobs. Extended Functionality with MA 25e Choose the MA 25e tobenefit from extended functionalities. The MA 25e includes an automatic testaccording to Hughson Westlake and lets you easily change parameters to matchyour personal preferences. With the additional talk forward function the MA 25egets even easier to work with - especially together with noise excludingcabins. The MA 25e also brings more comfort by allowing to transfer your testresults to a PC.