Our largest physioamp can run up to 4 simultaneous channels of EMG/EEG/EKG. Ideal for in-depth therapeutic techniques, research, or multi-participant sessions.

The gold standard of physiological signal monitors, trusted by researchers and practitioners of biofeedback for decades.

The most affordable and accurate CO2 analyzer on the market. Easily take readings of end tidal CO2. Can be combined with any GP Physioamp for multi-spectrum readings.