Faster setup than gel; no messy cleanup for the participant.
The type of electrode you choose dictates your daily prep time and signal quality. eeg cap buy
More channels aren't always better. High-density data requires more processing power and setup time. EEG Cap for Sale: The Ultimate Buyer's Guide - Emotiv Faster setup than gel; no messy cleanup for the participant
Sensors can dry out during long sessions (usually limited to ~3 hours). Faster setup than gel
The gold standard for signal fidelity. These use conductive gel and often require skin abrasion for low impedance.