OpenBCI

Cyton + Ultracortex Mark IV

EEG · 8 channels · dry electrodes

Where to Buy

Buy from OpenBCIFind on Amazon
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Specifications

Modality
EEG
Channels
8 — Expandable to 16 with Daisy module
Electrode Type
dry — Dry comb electrodes; optional wet gel snap-on
Sampling Rate
250 Hz
Setup Time
~10 minutes
Portability
portable
Battery Life
N/A
Wireless
Bluetooth (Ganglion) / WiFi (Cyton WiFi Shield) / USB dongle
Pricing
$1,000–$2,500
Pricing Model
hardware-purchase
Signal Quality
9/10
Comfort
5/10
Dev Ecosystem
9.5/10

Software & SDK

BrainFlowLSLUnity
Software Stack
OpenBCI GUI, BrainFlow, LSL
SDK Languages
Python, C++, C#, Java, JavaScript

Target Audience

researcherdeveloperprosumer

Comfort & Usability

Ultracortex is 3D-printed; fit varies by head shape; moderate comfort for sessions under 1hr