E-Stim Systems Gel

2B Power Box


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The 2B

First launched at Erotica in 2010, it took over three years of solid development to come to fruition, and it is still improving with new beta firmware released in 2015.

We continue to build on our E-Stim expertise and have created the most powerful and versatile E-Stim powerbox in our range. Officially called the Series 2B, or 2B™ for short, if you're looking for more power more control and more versatility then the 2B should be your only choice. Its also the only powerbox in the world offering control over the Internet using our Commander™ software.

Display & Control

The 2B has a clear backlit LCD display showing you exactly what your unit is up to all of the time, and with our enhanced display and control system it is even easier to use and gives you even more control than any other comparable unit. There is no need to learn any funny codes or count flashes. A built in help display guides you through mode selection, whilst the back light option allows play in the darkest dungeon. Changing mode is simply a couple of quick button presses and knob twiddling. It's simple. It works.

More program modes

The 2B currently has 17 controllable and adjustable program modes. We have retained all of the popular functions of our previous Series 2, and added some new ones so you can now Throb and Thrust your way to e-stim ecstasy and pleasure. Split modes, tickle, and programmed wave functions all pack the 2B with hours of e-stim pleasure.

Dual isolated channels

The 2B features two completely isolated output channels, with independent controls on each channel. This allows you to use multiple bipolar electrodes at the same time, and be able to control them both, independently. The output LED's light up in proportion to the output levels so its possible to see what's going on without consulting the main display. With the join mode it is possible to join both channels together, giving safety and control in one and with the Triphase cable set, even more possibilities are available. (Think 3D Electroplay)

CommanderPC/Mac/Internet Control

The 2B has an optional Digital link Interface,which allows you to upgrade as well as control your 2B from a Windows PC or Mac, and even control your 2B from or across the Internet - all though a simple USB connection and our free Commander™ software.


The 2B is upgradeable - No more out of date toys - Now your 2B can grow with your E-Stim experiences. With new modes and new functions on nearly every update, the 2B is only the beginning of your E-Stim experiences. For more details on the firmware updates join our user forum at http://www.e-stim.net

More powerful than ever

The 2B uses a single 9 V battery to generate fantastic levels of stimulation. The 2B has been designed with a with a highly efficient and controllable output system that offers multiple power settings so you can run in low or high power, and each power setting is controllable from 0 to 100%

Low power gives an excellent introduction to E-Stim whilst the high power setting offers really serious levels of output designed to satisfy the most ardent electrosex player, without causing too much pain!! and if the standard high power mode is not enough then you can connect an optional Universal mains power supply giving you around a 30% increase in power output as well as longer play times.

Warning the 2B is considerably more powerful than any of our other control units you have been warned.

AudioAudio system

If 17 program modes are not enough, the 2B is fitted with an adjustable sensitivity internal microphone (no external microphone to break off or loose) and offers true stereo processing, via a 3.5mm stereo input.

Designed to plug into the headphone socket of an MP3 or CD player, each audio channel is translated to a powerful controlled pulsing output.

As an additional control it is possible to adjust the whole response of the audio processing system, providing a unique insight to stereo based E-Stim pleasure.

Unlike other audio triggered stim units the 2B is designed to use normal audio sources as well more specialized 'stereostim' tracks, a number of which are supplied with the 2B on an Audio CD, and more can be downloaded from our website.


With output channel isolation, built in power limiting and soft start controls (they always start at zero whenever you change a mode or switch the unit on), together with a design ethos that stresses safety at every stage. The 2B has been designed to be compliant with all of the major UK, US and European safety standards, and carries a CE mark.

Lightweight and portable

The 2B is the same size as our Series 1 and ABox. Slip it into a play bag, it's all you need for electro pleasure and torment.

Lifetime Guarantee

A complete solution

With all of our e-stim technology you are not just buying a box, you are purchasing a serious introduction into the E-Stim world, from a company that is dedicated to producing the best in E-Stim technology. We include a comprehensive instruction manual as well as a protective carry case and the batteries and cables you need to get started, and don't forget the 2B is covered by our lifetime guarantee.

Channels/ Outputs Dual Isolated Channels via industry standard 3.5mm mono sockets
Display Contrast adjustable backlit LCD with High Brightness LED's indicating Channel activity
Program Modes 17
Audio Modes 2
Audio Internal Microphone, Stereo Source via 3.5mm Stereo socket
Input Specification 33KΩ/500mV
Controls Independent controls for Channel intensity, mode selection and multiple adjustments depending on mode.
Output Waveform BiPhasic AC
PC Control Yes (USB via optional interface) & Commander™
Mac Control
Internet Control
Power Supply Standard 9 Volt Alkaline (PP3)
Optional Power Supply
Dimensions (approximate.) 145mm x 80mm x 50mm
(5 3/4" x 3 1/4" x1")
Weight (with battery) 500g
Supplied Accessories

2 off 3.5mm to 2mm output cables,
4 off Self Adhesive Electrode Pads,
1 off 3.5mm Stereo input cable,
1 off PP3 Battery
1 off Audio CD
1 off Carry Case
User guide.

Guarantee Lifetime

Other Available Resources

Click to vist the 2B users forum
2B User Forum
Click to Download the 2B User Manual
2B User Manual (v2.104)

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Reviewed by
5 of 5 Stars
Have had my Series1 EStim for about a month now the Series 1 is a great starter machine, Simple to use and packs a real punch which is now left at my ladies home for when I am over there. So for Christmas I treated myself to a 2B EStim as the reviews said it had more kick than the series one, Well I can say that I am truly impressed with the 2B machine and yes the 2B lights me up …….. More later! The 2B is extremely well made and has a good solid feel, the rotary knobs and controls feel good and made to last, It’s so easy to use that Madam got her head around the control in 5 minutes. My Mistress loves the fact that she can get a digital read out for the power level she is giving me, She loves making me take higher power settings and gets real joy from watching me beg for mercy which normally results in yet another higher power setting ! The real beauty of the 2B is that you can use an external power supply which really does add loads more punch to the power levels, It also means
Reviewed by
5 of 5 Stars
As before very good sevice and communication, the new power pack is excellent and very well thought out has great controls,
Reviewed by
5 of 5 Stars
I was lucky enough to experience a good few hours of the 2B in Audio Mode using its internal microphone to listen to music in a very busy shop. I was wired with a set of pads on my ass cheeks and a set of pads on my inner thighs. They were wired left and right into the 2B. I can honestly say it was a new experience for me. I have used the 2B a lot in other modes but the Audio Mode was constantly changing which kept things interesting. As the beat and volume of the music changed, so did the feeling of the electro both in terms of feeling and intensity. I would recommend that anyone with a 2B gives the Audio Mode a try as it is a new and exciting and could be a great way to torment someone without the need for input for a while!
Reviewed by
3 of 5 Stars
Surprisingly sturdy, yet small and lightweight for the power it delivers. Get it along with the power supply or you won't be able to feel it's full potential. Most of the built-in functions leave me cold, but there is enough variation. Read the manual for a description of the modes included. The physical interface is a mixed bag. The knobs have good grip and a consistent turn rate. I'm not thrilled about the Select button and the difference in function for that button based on the amount of time you depress it. Quite irritating to inadvertently cut to the mode selector when you want to adjust the feel of the mode. This can probably be fixed in software though. The external power cord gets in the way of both the knobs and the power switch. On my unit I was appalled by the build quality of the power switch. Almost any sideways tap to the unit would make it shut down, ruining the experience. This was dismissed as normal by the support team, otherwise I would not have mentioned it. I
Reviewed by
5 of 5 Stars
Reviewed by
4 of 5 Stars
This is a very nice power box. I really like the small increments that you can increase the power. It's everything I expected. In high power mode, it's got enough to make me scream, even without the optional mains power adapter. No major complaints at all. Only minor issues I have is that the "A" power adjustment knob appears to have been pushed onto the box a little too hard, so it rubs on the face of the box, but it works just fine. Also, when the batteries get low, it seems like the "A" and "B" power levels appear to be linked. At higher levels, if you decrease one, the other one increases. Not sure why? All in all, it does the trick... Oh, and my wife liked her first experience with E-Stim, too, thanks to the 2B ]:)

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Additonal Options:

A Universal 110V/220V Mains power supply for use with the 2B.

Power Supply

Digital USB Link & Software for connection to your PC or Mac.
(Save 10% on the price of the Digital Link Interface when purchased with a 2B)

Digital Link

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