Professional EEG devices designed for digital registration and analysis of EEG signal in everyday medical practice as well as in the scientific and research applications. Thanks to the possibility of modular connection of amplifiers (max. four 64-channel aplifiers) the device can be configured as 64-, 128-, 192-, 256-channel appliance. This feature meets the most avanced Users needs as well as the requirements of the most complex scientific research. Parameters of the proEEG_128, pro)EEG_192 and proEEG_256 registration unit: 128-channel amplifier (with the possibilty of connecting amplifiers to obtain the device of 196 or 256 channels) TCP/IP protocol interface High-End PC with color LCD monitor min. 21" Laser printer Uninterruptible Power Supplier that provides emergency power in case of the failure in the power supply Computer-controlled LED photostimulator customized by the User EEG DigiTrack ACQUISITION/RECORDING software for EEG signal registration EEG Digitrack ANALYSIS software for viewing anad analysis of EEG signal Patient Database software enabling patient registration, examination management and creating statistics Trolley with surge protector, set of cables and stands for the amplifier and photostimulator EEG cap, the set of electrodes with cables User manual