Key Features

EMOTIV Extender is a mains isolated, external rechargeable battery pack with a microSD card reader to extend battery life and enable external storage.

Extends headset battery

up to 12 hours

Mains isolation

allows headset use even while charging

Removable data storage

with Micro SD card reader* for offline use

*Micro SD card is not included

hardware input audio plug
Hardware input port

for precise event marking

real time clock on board icon
Onboard real time clock

synchronized to your PC

Direct, isolated USB data connection

records direct to your PC as an alternative to wireless

Disclaimer – EMOTIV products are intended to be used for research applications and personal use only. Our products are not sold as medical devices — as defined in EU directive 93/42/EEC. Our products are not designed or intended to be used for diagnosis or treatment of disease.

Validation of Emotiv Flex for ERP Research

Dr. Nik Williams and Dr. Nic Badcock, School of Cognitive Science, Macquarie University compared Emotiv EPOC Flex Saline co-located with Neuroscan SynAmps™️ clinical EEG system and showed equivalence for Auditory and Visual ERPs using Emotiv EXTENDER to provide hardware trigger events.

Read More
epoc flex erp research chart auditory visual emotiv headset eeg

To utilize the hardware input port and to decrypt data from SD card, EmotivPRO license is required.

Syncing real-time clock

Extender has a real-time clock which is used to timestamp a recording. Before you start recording files, it is a good idea to update the RTC by syncing it to your computer using our service application, EMOTIV App.

Syncing real-time clock
Extended recording time

Extended recording time

Extender includes a 2000mAh rechargeable lithium battery which extends your EMOTIV headset’s battery life by more than 12 hours.

Data Logger

The Extender’s built-in Micro SD card reader (up to 32GB) removes the need to record data to a PC or mobile device. Gain more freedom and download your data to your computer at your convenience.

Precise event marking

The isolated TTL opto-coupled external event marker input channel allows Emotiv Extender to inject synchronisation markers directly into the EEG signal stream with maximum accuracy and minimal jitter of +/- 1 samples.

Disclaimer - EMOTIV products are intended to be used for research applications and personal use only. Our products are not sold as Medical Devices as defined in EU directive 93/42/EEC. Our products are not designed or intended to be used for diagnosis or treatment of disease.

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