Emotiv Flex 2 Saline Sensor Cap - 32 channel EEG - DIY Kit

Product Information

EMOTIV FLEX 2 Saline – 32-Channel Wireless EEG Headcap System - DIY Kit

Precise EEG Measurements with Flexible Application

The FLEX 2 Saline is a portable, wireless 32-channel EEG headcap system designed for advanced use in neuroscience research. It enables high-resolution recording of brain activity in various environments, both in the lab and in the field. The saline-based electrodes provide sustained conductivity with minimal need for interruptions. Integrated Bluetooth® 5.2 technology ensures accurate real-time signal transmission, supported by refined sensors and a robust antenna design. FLEX 2 Saline is well suited for mobile research, behavioral studies, BCI projects, and EEG-based analysis outside of traditional laboratory settings.

Product Features

• Wireless EEG system: Captures EEG data via 32 channels without requiring stationary infrastructure
• Saline-based electrodes: Enable easy rehydration for extended sessions without disruption
• Bluetooth® 5.2: Provides stable and fast data transfer for context-based EEG studies
• Flexible sensor positioning: Based on the 10-20 international system for individualized placement
• 9-axis motion sensor: Allows precise motion tracking to correlate with EEG signals
• Multiple cap sizes: Available in 54 cm, 56 cm, and 58 cm to ensure optimal fit and comfort
   

Product Advantages

• High-resolution data quality: Offers up to 256 Hz sampling rate with 16-bit signal resolution
• Uncompressed raw data: Ideal for detailed scientific evaluations and signal analysis
• High-performance antenna: Ensures reliable connection even in mobile environments
• Modular usage: Controller can be placed on top or back of the head, depending on the research context
• Transport-friendly: Includes a durable travel case with ventilation compartment for safe storage and organization
   

Scope of Delivery

• 1x Flex Travel Case
• 1x Flex Headset
• 1x Flex Controller with integrated electronics
• 1x USB-C Charging Cable
• 1x Extension Lead Cable
• 1x Bluetooth Dongle (USB)
• 1x USB-A to USB-C Adapter
• 1x Two Sensor Types
• 1x Quick Start Guide (via QR Code)
• 50x Pins
• 1x Tool
• 2x Wire Wraps
• 80x Felts (Standard Length)
• 20x Felts (Long Length)
• 34x Sensor Silicon Skirts
   

Technical Specifications

EEG Sensors

• Supports up to 32 configurable channels
• Two references: CMS/DRL, can be placed at any 10-20 location or on the ears (compatible ear clips included)
• Available data types: raw EEG and frequency band data (PRO License required for access)

EEG Signals

• Sampling method: Sequential sampling using dual ADCs
• Sampling rate: 2048 Hz internally, downsampled to 256 samples per second
• Motion resolution: 16-bit, with 1 LSB = 0.51μV
• Frequency range: 0.16 – 43 Hz with integrated digital notch filters at 50 Hz and 60 Hz
• Dynamic range (input referred): 8400 μV peak-to-peak
• Coupling: AC-coupled
• No slew rate limitations: Enables time-locked EEG, ECG, EMG, and EOG recording

Electrodes

• 32 recording electrodes and 2 reference electrodes
• Material: 80 standard-length felt electrodes and 20 long-length felt electrodes
• Dimensions: 11 mm felt pad diameter, 2 mm rear refill opening

Motion Sensors*

• Integrated IMU: ICM-20948
• Quaternion output: normalized, 4D
• Accelerometer: 3-axis, ±8g range
• Magnetometer: 3-axis, ±112 gauss range
• Transmission of full-resolution motion data: up to 64 Hz

*Note: Software support for motion data will be available soon.

EEG Cap

• Available sizes: 54 cm, 56 cm, 58 cm
• Flexible sizing options for improved comfort and optimal EEG signal quality
• Openings: 74 standard 10-20 system positions
• Controller pockets located at Iz (for awake studies) and Cz (for sleep studies)
• Manufacturer: EasyCap

Connectivity

• Proprietary USB receiver (included) operating on the 2.4 GHz band
• USB 2.0+ support (available only with EMOTIV Extender)
• Micro-USB-C port and included power cable for faster charging
• Bluetooth 5.2 for enhanced real-time data transmission

Power Supply

• Built-in Lithium-Polymer battery with 595 mAh capacity
• Battery runtime: up to 6 hours
• Power LED: indicates the Flex Controller's battery status

Note: Not compatible with Ubuntu or Raspberry Pi.
 

Additional Notes

A full EMOTIV Pro license is required to access complete raw EEG data capabilities. Full motion data support will be available in upcoming software updates. Basic knowledge in EEG usage and data analysis is recommended for proper operation of this system.

Important Note: This product is not a substitute for medical treatment; for questions related to well-being, consulting a medical professional is recommended.

Emotiv EEGs in comparison

Note: All information provided without guarantee of completeness or accuracy.