Technical Specifications

Headset Version

EPOC v1.0

EPOC+ v1.1

EPOC+ V1.1A

Number of Channels

14 (plus CMS/DRL references, P3/P4 locations)

14 (plus CMS/DRL references, P3/P4 locations)

14 (plus CMS/DRL references, P3/P4 locations)

Channel names (International 10-20 locations)

AF3, F7, F3, FC5, T7, P7, O1, O2, P8, T8, FC6, F4, F8, AF4

AF3, F7, F3, FC5, T7, P7, O1, O2, P8, T8, FC6, F4, F8, AF4

AF3, F7, F3, FC5, T7, P7, O1, O2, P8, T8, FC6, F4, F8, AF4

Sampling Method

Sequential sampling. Single ADC

Sequential sampling. Single ADC

Sequential sampling. Single ADC

Sampling Rate

128 SPS (2048 Hz internal)

128 SPS / 256 SPS (2048 Hz internal)

128 SPS / 256 SPS (2048 Hz internal)

EEG Resolution

14 bits 1 LSB = 0.51μV (16 bit ADC, 2 bits instrumental noise floor is discarded)

14 bits 1 LSB = 0.51μV (16 bit ADC, 2 bits instrumental noise floor is discarded), settings can be changed to 16-bit

14 bits 1 LSB = 0.51μV (16 bit ADC, 2 bits instrumental noise floor is discarded), settings can be changed to 16-bit

Bandwidth

0.2 - 45Hz, digital notch filters at 50Hz and 60Hz

0.2 - 45Hz, digital notch filters at 50Hz and 60Hz

0.2 - 45Hz, digital notch filters at 50Hz and 60Hz

Filtering

Built-in digital 5th order Sinc filter

Built-in digital 5th order Sinc filter

Built-in digital 5th order Sinc filter

Dynamic Range (input referred)

8400 uV(pp)

8400 uV(pp)

8400 uV(pp)

Coupling Mode

AC coupled

AC coupled

AC coupled

Connectivity

Proprietary 2.4GHz wireless

Proprietary 2.4GHz wireless, BLE and USB (Extender only)

Proprietary 2.4GHz wireless, BLE and USB (Extender only)

Battery Capacity

LiPo battery 680mAh

LiPo battery 680mAh

LiPo battery 680mAh

Battery Life (typical)

12 hours

12 hours

12 hours

Impedance Measurement

Real-time contact quality using patented system

Real-time contact quality using patented system

Real-time contact quality using patented system

IMU Part

IDG500

LSM9DS0

ICM-20948

Accelerometer

-

3-axis +/-8g

3-axis +/-4g

Gyroscope

2-axis +/-8g

3-axis +/- 500 dps

Interpreted as Quaternion

Magnetometer

-

3-axis +/- 12 gauss

3-axis +/- 4900 uTesla

Motion Sampling

128 Hz

32 / 64 / 128 Hz (User Defined)

32 / 64 Hz

Motion Resolution

10 bit

14 / 16-bit (User Defined)

14 / 16-bit (User Defined)

Quanterion

No

No

Yes

Sensor Material

Ag/AgCl + Felt + Saline

Ag/AgCl + Felt + Saline

Ag/AgCl + Felt + Saline