The DSI-7-Flex is a research-grade wireless EEG system designed for versatile application of up to 7 sensors at any location. Its main features include:

  • Integrated electonics module with amplifiers, digitizers, transmitter and power supply
  • Can be configured to record EEG from up to 7 sensors + Linked Ears earclip sensors (not shown in picture)
  • Versatile sensor placement for exploratory investigations
  • Double spring-loaded pods for mechanical stability and comfort
  • Continuous impedance monitoring
  • Bluetooth wireless transmission with sampling at 300 Hz
  • Rechargable Li-ion batteries allow continuous operation
  • 4-bit digital trigger input
  • Can be used with BraiNet or other harness systems
  • Various optional electrode tip configurations: pinned, flat, single or double spring loaded pods.


The DSI-7-Flex is a turnkey system whose user-configurable sensor locations allow exploration of applications requiring high signal quality dry electrodes. While this system is not intended for ambulatory use, it is designed to enable laboratory research into EEG applications that include:

  • Neuroscience and Neuropsychological Research
  • Brain-Computer Interfaces
  • Neurofeedback
  • Neuroergonomics
  • Neuroeconomics / Neuromarketing
  • Augmented Cognition
  • Biometrics
  • Cognitive Stress or Workload Monitoring
  • Sports Peak Performance Training




Features and Specifications


Sensor Locations Six (6) active dry sensors in individual pods
and one (1) Linked Ear (2 dry active sensor earclips)


One (1) Common Mode Follower reference sensor
Ground One (1) ground electrode
Headset BraiNet placement cap allows users to select any location.


One 7-channel amplifier and digitizer
Wireless Bluetooth
Run-time >12 hours
Headsize fit N/A
Headset weight ~200g
Wireless range: 10m
Digital Inputs: 4 bit input
Analog/Digital Converter: 16 bits
Analog/Digital resolution: 0.317 uV referred to input
Sample Rate: 300 Hz
Bandwidth: 0.003-150Hz
Gain: 60
Common mode rejection ratio: > 120dB
Channel Cross-talk: < -70dB with sensors
Input Impedance (1Hz): 47Gohm
Input bias current: <25pA
DC offset tolerance: +/-200mV
Maximum input range: 10mV pk-pk
Noise (1-50Hz): <3 uV pk-pk

* Specifications subject to change, please contact us to obtain latest specifications