AMBCO 650A Audiometer CA-WA 8-hour Lithium-ion battery to maximize

8-hour Lithium-ion battery to maximize time before recharging

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AMBCO 650A Audiometer CA-WA 8-hour Lithium-ion battery to maximizeThis 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 control 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.