ActiveTwo Users: Upgrade to ActiveThree or retrofit your AD box to A2.5 before Spring 2026

Take This Opportunity to Make the Most of Your Investment in ActiveTwo The ActiveTwo system was produced until 2024, and it was originally made with Mk2 electrode connectors. Unfortunately, the company producing these connectors (Tyco) stopped producing them. As a result, Biosemi was forced to use the a new Mk3 type connector for all new…

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BioSemi ActiveThree: Now Shipping!

ActiveThree EEG System

The world’s first and most advanced active electrode EEG system breaks new ground, again. BioSemi introduces the ActiveThree biopotential measurement system for scientific research in the field of electrophysiology. The new system is the third iteration of the successful line of BioSemi active electrode biopotential measurement systems. In this summary, we explain the reasons for…

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