Technical Specifications

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

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