Entry-level and portable system

The NeXus-4 is an entry-level system for biofeedback and neurofeedback. It offers up to two channels of EEGEMGECG and EOG signals as well as up to two peripheral signals like heart raterelative blood flowskin conductancerespirationtemperature, and more.

NeXus-4 wireless biofeedback equipment


  • 2 x bipolar ExG | 2 x AUX
  • Sample rates up to 1.024 Hz in 24 bit resolution
  • Active shielding for minimal noise and movement artifacts
  • Bluetooth for wireless biofeedback and neurofeedback
  • Battery powered
  • Internal memory for ambulant recordings
  • Medical CE certified (IIa), FDA registered (II)

Reliable and high quality signals

NeXus by Mind Media stands for clean signals by using true shielding technology and carbon coated cables for minimal artifacts and noise. Built with high quality electronics and medical grade technology to perform very reliable and accurate measurements and analysis.

Integrated multimodal data acquisition

Integrated multimodal system for measuring and training a wide variety of physiological signals simultaneously.

  • EGG
  • EMG
  • ECG / Pulse
  • Temperature
  • Skin Conductance
  • EOG
  • Respiration
  • Pulse (BVP)

Wireless data communication

Communicate wirelessly in real-time using Bluetooth for a great deal of freedom during a biofeedback or neurofeedback session. Store physiological ambulant data on flash memory.

Easy to use software

The NeXus-4 comes with easy to use BioTrace+ software which provides protocols and training for almost every biofeedback or neurofeedback application. Highly customizable platform with a wide range of powerful tools for physiological research and signal processing.

BioTrace+ Software for NeXus

BioTrace+ is our easy-to-use and fully customizable software for measuring and training physiological data in real-time. It is the ultimate platform for biofeedback, neurofeedback and physiological research. The software comes with every NeXus device.


Neurofeedback [2ch]

  • Sensors
    • 2ch EEG LinkedEar
  • Supplies
    • EEG Electrodes (50x)
    • EEG Kit


  • Sensors
    • 2ch ExG
    • Blood Volume Pulse
    • Respiration
    • GSR
    • Temperature
  • Supplies
    • EMG/ECG Electrodes (100x)


  • Sensors
    • Blood Volume Pulse
    • Respiration

Resolution24 bit
Size112 X 66 X 28 mm
Weight138 grams
Safety ClassMedical CE certified (IIa), FDA registered (II)
Warranty2 years
InputsBiopolar ExG inputsAUX inputs
Sample rate128 – 1.024 Hz128 Hz
Input signal difference-100mV / + 100mV-2.0 V … +2.0 V
Input com. mode range-2.0 V … +2.0 V-2.0 V … +2.0 V
Gain factor19,51
Noise< 1.5 μV rms< 15 μV rms
Input impedance> 10^10 Ω> 10^10 Ω
CMRR> 100 dB> 70 dB
Accuracy±2 %±2 %
ConnectorLEMO 0B series 6 pinLEMO 0B series 5 pin
Data interface
BluetoothUp to 10 meters
Data storage64 MB internal memory
Power management
Power supply2 AA batteries
Operating time8+ hours