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Products & Systems

Amplifier

Amplifier solutions provide flexible EEG and biosignal acquisition for a wide range of research environments, from controlled laboratory studies to mobile and multimodal experiments. They support applications such as hyperscanning, EEG-fMRI, brain stimulation, and real-world data collection.

Compare our amplifiers

BrainAmp DC

BrainAmp MR plus

actiCHamp plus

LiveAmp

CGX Quick

Time resolution (Sampling Rate)
good
switchable SR up to 5 kHz
good
switchable SR up to 5 kHz
excellent
switchable SR up to 100 kHz

good
switchable SR up to 1 kHz

fair
fixed SR of 500 Hz
Measurement range and amplitude resolution
good
switchable ±3.28 mV at 0.1 µV/bit ±16.384 mV at 0.5 µV/bit ±327.68 mV at 10 µV/bit**
good
switchable ±3.28 mV at 0.1 µV/bit ±16.384 mV at 0.5 µV/bit ±327.68 mV at 10 µV/bit**
excellent
fixed range of ±409.6 mV at 0.0487 µV/bit
excellent
fixed range of ±341.6 mV at 40.7 nV/bit
excellent
fixed range of ±833 mV at 0.1 µV/bit
Scalability 
(max. channel number)
excellent
up to 256 ch
excellent
up to 128 ch inside MR, up to 256 ch in lab environment
 
excellent
up to 160 ch
good
up to 64 ch
n/a
fixed channel number (20 or 32)
Setup complexity
complex
multiple amp units and batteries required
complex
multiple amp units and batteries required
very simple
one amp unit with multiple modules and one battery
simple
multiple but small units
very simple
all-in-one and small units
Versatility
good
compatible with passive gel- and sponge-based electrodes; requires actiCAP ControlBox II for active gel-based and dry electrodes
good
compatible with passive gel- and sponge-based electrodes for EEG-fMRI; outside the MR compatible also with active gel-based and dry electrodes (requires actiCAP ControlBox II)
excellent
compatible with active gel-based and dry, as well as with passive sponge-based electrodes, requires EIB64DUO for passive gel-based electrodes
excellent
compatible with active gel-based and dry, as well as with passive gel- and sponge-based electrodes
n/a
active dry electrodes only
Real-time accessibility
fair
transmission in tenths of ms via LSL
fair
transmission in tenths of ms via LSL
excellent
transmission in <1.5 ms via TurboLink
good
transmission in few ms via LSL
 
good
transmission in few ms via LSL
 
Simultaneous TMS
excellent
excellent
good
fair
poor
Simultaneous MEG
yes
yes (the best option)
under evaluation
no
no
Simultaneous MR
no
yes (MR Conditional)
no
no
no
Mobile / Wearable
no
no
no
yes
yes

**Please note that for all BrainAmp family amplifiers the measurement range of ±327.68 mV at 10 µV/bit does not represent a physiological measurement range/resolution, but can be used for troubleshooting or e.g. trigger signals.