DuoMAG MP-Dual

The DuoMAG MP-Dual Paired Pulse TMS combines two DuoMAG MP TMS stimulators to provide a fully configurable paired pulse TMS system.

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DuoMAG MP-Dual

DuoMAG MP-Dual

Delivering repeated pairs of monophasic pulses to two cortical regions over short periods has become a very popular method of exploring intra-cortical circuits in the human brain. ‘Paired Pulse’ stimulation is a method achieved by delivering two monophasic pulses in very quick succession.

By pairing two DuoMAG MP stimulators through an intelligent combining module, the DuoMAG MP-Dual offers unrivalled performance and flexibility for the application of both paired pulse and twin coil stimulation. A combining module also allows for both stimulators to be split into two DuoMAG MP units. The native DuoMAG software enables the system to be used in three separate modes - Pair, where the stimulators operate as primary and secondary stimulators with one triggering the other at a defined interval either through one or two coils; Independent, where both stimulators can be operated separately of each other, again, through one or two coils, and Dual, where the output of both stimulators can be combined through a single coil to deliver a pulse equivalent of 134% of a single DuoMAG MP.

The quick recharge rate of the DuoMAG capacitor allows for a maximum frequency rate of 4Hz and 1Hz stimulation at 95% stimulator output. Additionally, it is possible to define a capacitor ‘recharge delay’ for applications where ppTMS is combined with EEG recording to allow for a period of ‘clean’ EEG shortly after the delivery of the TMS pulse.

USB and TTL connections on the reverse of the stimulator module allow for novel programmes such as QTrac or C.E.D’s Signal software to control the device externally.

DuoMAG MP Reverse of Stimulator

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The propriety DuoMAG MP-Dual software allows the user to use the device in three different stimulation modes:

Paired Mode


Paired Mode

Conventional paired pulse where Stimulator 1 triggers stimulator 2 with a defined ISI.


Independent Mode

Independent Mode

Where the user can individually set the intensities of, and trigger, all connected stimulators independently of one another.


Dual-Stim Mode

Dual-Stim Mode

Where both stimulators combine to deliver a pulse with the equivalent of 135% the power of a single stimulator. Each of these modes can be configured with single or twin coil set-ups to support interhemispheric (bilateral) stimulation.


The DuoMAG MP-Dual is easy to interface different equipment to, due to the accessible connectivity provided by USB2.0 and TTL ports on each stimulator. Both the intensity and triggering can be controlled externally by systems such as Signal, Matlab & Python.


For studies which explore intracortical inhibition or facilitation, the MP-Dual is capable of delivering pairs of pulses with an ISI of as low as 0.1ms between the range of 0.1 and 100ms. A quick capacitor recharge time also allows for a maximum stimulation frequency of 4Hz.


The stimulator can be controlled from the coil handle, optional Windows-based touch screen interface, or triggered externally, with external communications supported via TTL in/out and USB.


A software ‘boost’ mode allows both of the stimulators can be combined through a single coil to deliver a pulse with the equivalent output of 134% of a single stimulator.


CE-CertifiedThe DuoMAG MP system is a CE-certified medical device for non-invasive brain stimulation in humans. It is limited to investigational and research use in the USA.

Pulse mode

Monophasic: single pulse, paired pulse and dual pulse

Max repetition rate at 100%

1.0Hz (single pulse) / 0.5Hz (paired pulse)

Max repetition rate at 50%

2.8Hz (single pulse) / 1.4Hz (paired pulse)

Max repetition rate

4.0Hz (single pulse) / 2.0Hz (paired pulses)

Inter stimulus interval (ISI)

0.5-600.0ms (internal control) / ≥ 1.0ms (external control)

Pulse width (rise/decay)

100, 120µs / 1.0, 1.2ms

Coil connections

up to 2


TTL in/out, via BNC
USB 2.0


USB or coil controls

Power supply

2 x (100-240Vac 50/60Hz)


2 x (49cm x 19cm x 38cm)





Graphical user interface


Trolley with coil holder


Upgrade options

MP-Quad, for quadripulse stimulation and low-frequency rTMS



EMG module (optional)


EMG channels

2 or 4, bipolar

Notch filter

50Hz and 60Hz (selectable)

Sampling rate


Peak-to-peak amplitude measurement


Latency measurement


Motor threshold tools

Resting (RMT)
Active (AMT)

Associated Techniques

To find out more about the techniques that are applicable to this product, follow the links below.

Added Value

In addition to supplying and supporting a wide range of neuroscience products, Brainbox offers additional value in a number of areas that can benefit our customers, including:

Installation, Product Training, Technique Training, Bespoke Training

Lab Support
System Upgrades, Testing, Calibration, System Integration, Bespoke Solutions

Research Support
Study Design, Piloting, Technical Information, References

Grant Applications, Industrial Projects, Workshops

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