AMBCO 650A Audiometer

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This audiometer is simple, lightweight and durable. The 650A only operates with the included AC adapter. Large dials control frequency and decibel levels and toggle switches contro l power, left/right and pulse/steady tones. The tone button is membrane covered to provide silent operation. Lights indicate tone, patient response and the 650AB has a low battery indicator. 5-year limited manufacturer warranty. Show more