Technical Specifications
Last updated
Last updated
Headset Version
Pre-2019
2019
Number of Channels
5 (plus CMS/DRL reference on left mastoid)
5 (plus CMS/DRL reference on left mastoid)
Channel names (International 10-20 locations)
AF3, AF4, T7, T8, Pz
AF3, AF4, T7, T8, Pz
Sampling Method
Sequential sampling, single ADC
Sequential sampling, single ADC
Sampling Rate
128 SPS (2048 Hz internal)
128 SPS (2048 Hz internal)
EEG Resolution
14 bits 1 LSB = 0.51μV (16 bit ADC, 2 bits instrumental noise floor discarded)
14 bits 1 LSB = 0.51μV (16 bit ADC, 2 bits instrumental noise floor discarded)
Bandwidth
0.5 - 43Hz, digital notch filters at 50Hz and 60Hz
0.5 - 43Hz, digital notch filters at 50Hz and 60Hz
Filtering
Built in digital 5th order Sinc filter
Built in digital 5th order Sinc filter
Dynamic Range (Input referred)
8400 uV (pp)
8400 uV (pp)
Coupling Mode
AC coupled
AC coupled
Connectivity
Proprietary 2.4GHz wireless (with dongle), BLE
Proprietary 2.4GHz wireless (with dongle), BLE
Battery Capacity
LiPo battery 480mAh
LiPo battery 450mAh
Battery Life (typical)
Up to 8 hours
Up to 8 hours
Impedance Measurement
Real-time contact quality using patented system
Real-time contact quality using patented system
IMU Part
LSM9DS0
ICM-20948
Accelerometer
3-axis +/-8g
3-axis +/-4g
Gyroscope
3-axis +/- 500 dps
Output as Quaternion
Magnetometer
3-axis +/- 12 gauss
3-axis +/- 4900 uTesla
Motion Sampling
128 Hz
64 Hz
Quaternion Outputs
No
Yes
Motion Resolution
14-bit
14-bit (dongle) / 8-bit (BLE)
Sensor Material
Semi dry polymer
Semi dry polymer