Starstim R32 is the ideal multi-channel neurostimulator for research studies that required the combination of tDCS, tACS, or tRNS with simultaneous EEG. 

Please find more information here.

EEG functionality

  • Number of channels: (up to) 32
  • Sampling rate: 500 SPS
  • Bandwidth: 0 to 125 Hz (DC coupled)
  • Resolution: 24 bits – 0,05 µV resolution
  • Noise: < 1 µV RMS
  • Common mode rejection ratio: -115 dB
  • Input impedance: 1 GΩ

Stimulation functionality

  • Number of channels: (up to) 32
  • Sampling rate: 1000 SPS
  • Stimulation types: tDCS, tACS and tRNS
  • Customized waveform
  • Frequency range: 0-250 Hz (tACS); 0-500 Hz (tRNS)
  • Configurable bandpass filter for tRNS
  • Maximum current per channel: ± 4mA
  • Current accuracy: 1%
  • Current resolution: 1 μA
  • Current is configurable independently for each channel
  • Configurable Ramp-up and Ramp-down times
  • Voltage: ± 15 V per electrode (30 V potential difference)
  • Sham and Double blind modes available

Stimulation safety:

  • Max current per electrode: 2 mA
  • Max total injected current (by all electrodes, any time): 4 mA
  • Max duration per session: 1 hour
  • Stimulation session must be pre-programmed
  • Impedance check before and during stimulation
  • Abort functionality: possible at anytime

NECBOX (Neuroelectrics Control Box)

  • Battery: USB rechargeable Li-Ion battery
  • Battery operating time: 8 hours (combined EEG/tCS)
  • Data transmisstion: wireless (wi-fi network) or wired (USB cable)
  • microSD card slot (for offline data storage)
  • Output: EDF+, ASCII data files or TCP/IP raw data streaming
  • Accelerometer data recording: tri-axial @ 100 SPS