# Neurofield Q21; 2 chargers and battery; Qcheck; USB CANbus; Waveguard Connector 21 channel; 2 Waveguard reusable caps; 9mm ear sockets; Neurofield software with EEG Analysis

**URL:** <https://neurobb.com/t/neurofield-q21-2-chargers-and-battery-qcheck-usb-canbus-waveguard-connector-21-channel-2-waveguard-reusable-caps-9mm-ear-sockets-neurofield-software-with-eeg-analysis/2710>\
**Category:** Gear Swap\
**Tags:** neurofeedback\
**Created:** [February 28, 2026, 7:54pm UTC](https://neurobb.com/t/neurofield-q21-2-chargers-and-battery-qcheck-usb-canbus-waveguard-connector-21-channel-2-waveguard-reusable-caps-9mm-ear-sockets-neurofield-software-with-eeg-analysis/2710 "2026-02-28T19:54:03Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![Screws2](https://neurobb.com/letter_avatar_proxy/v4/letter/s/3be4f8/32.png) [@Screws2](https://neurobb.com/u/Screws2)\
**Post date:** [February 28, 2026, 7:54pm UTC](https://neurobb.com/t/neurofield-q21-2-chargers-and-battery-qcheck-usb-canbus-waveguard-connector-21-channel-2-waveguard-reusable-caps-9mm-ear-sockets-neurofield-software-with-eeg-analysis/2710/1 "2026-02-28T19:54:03Z")

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NeuroField Q21 21-Channel EEG System package. Includes Q21 amplifier (cap version), QCheck unit, Waveguard Connect 21-channel adapter (XC-301), 2 Waveguard reusable caps, 9mm ear sockets, USB/CANbus adapter, 2 rechargeable Li-ion batteries with dual charger, power supplies, cables, electrode jelly/syringes, and NeuroField software with EEG analysis. Previously used in clinical setting. All components powered and functional at last use. Asking $5,000.

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**Author:** ![Phoenix](https://neurobb.com/letter_avatar_proxy/v4/letter/p/0ea827/32.png) [@Phoenix](https://neurobb.com/u/Phoenix)\
**Post date:** [March 11, 2026, 3:45pm UTC](https://neurobb.com/t/neurofield-q21-2-chargers-and-battery-qcheck-usb-canbus-waveguard-connector-21-channel-2-waveguard-reusable-caps-9mm-ear-sockets-neurofield-software-with-eeg-analysis/2710/2 "2026-03-11T15:45:49Z")

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Does the software license transfer with the hardware? Thank you!

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**Author:** ![Screws2](https://neurobb.com/letter_avatar_proxy/v4/letter/s/3be4f8/32.png) [@Screws2](https://neurobb.com/u/Screws2)\
**Post date:** [March 12, 2026, 9:52am UTC](https://neurobb.com/t/neurofield-q21-2-chargers-and-battery-qcheck-usb-canbus-waveguard-connector-21-channel-2-waveguard-reusable-caps-9mm-ear-sockets-neurofield-software-with-eeg-analysis/2710/3 "2026-03-12T09:52:47Z")

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The main software to run the program did not require purchase, the software that calculates and provides additional information does require a license that does not transfer. Neurofield can provide additional information about training and software options.

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**Author:** ![Phoenix](https://neurobb.com/letter_avatar_proxy/v4/letter/p/0ea827/32.png) [@Phoenix](https://neurobb.com/u/Phoenix)\
**Post date:** [March 13, 2026, 2:56pm UTC](https://neurobb.com/t/neurofield-q21-2-chargers-and-battery-qcheck-usb-canbus-waveguard-connector-21-channel-2-waveguard-reusable-caps-9mm-ear-sockets-neurofield-software-with-eeg-analysis/2710/4 "2026-03-13T14:56:32Z")

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May I ask how old it is. And do you have any images please? Thank you!