Alpha400
EEG Amplifier

To accommodate a
wide range of neurofeedback application requirements, the Alpha400
features 4 EEG inputs, plus an additional 3 inputs for auxiliary input
from external devices. In addition, the Alpha400 uniquely provides
the ability via software commands to:
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Switch between 2 or 4 EEG channel modes
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Internally Link or UnLink the REF input jacks
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Power the Aux channels ON or OFF
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Select from 4 available input ranges
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Activate a precision internal calibration mode
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Perform electrode impedance testing