Our products, your Vaudoo magic.

More power

Battery Management System

The basic product from Vaudoo, the one that makes instruments rechargeable.

The basic product from Vaudoo, the one that makes instruments rechargeable.

Rechargeable battery system (micro-USB), the B.M.S replaces the 9V battery present in your bass and active guitars.

With an autonomy greater than or equal to a 9V Alkaline battery, it delivers a constant voltage from the start to the end of the charge.

It goes perfectly with the Vaudoo preamplifier, but can also power any bass preamplifier or active guitar: 5, 9, 12 or 18 Volts.

Vaudoo Audio

Easy integration & perfect adaptation

Available in several layouts:

One battery
Two batteries
Remote batteries.

Adapt to the size of each instrument.

The system is barely larger than a 9V battery.

systeme bms Vaudoo audio
Vaudoo Audio

End of the 9V battery.

The USB interface which allows you to recharge the batteries emits a light signal allowing you to know at any time the battery level of your instrument.

No more batteries to buy, no more batteries to throw away.


The Technologic Battery.

Major assets

- Very low toxicity for the environment - Number of charge cycles: between 2000 and 10 000

Impressive lifespan

- After 2000 charge cycles, the battery still has a capacity greater than 80% of its original capacity. - More than 10 years of play, without any problem.

Ecology and safety

- Very low toxicity for the environment - Free of lead and other harmful substances

Up to 140 hours of autonomy

Enjoy up to 140 hours of playing, with our 3-band preamp and an output voltage of 9V.

Enough to go to the end of this rehearsal and this coming concert.

When the battery is empty, plug in for 5 minutes for an additional hour of play. And if you ever run out of battery, plug in the USB cable and keep playing.


Recharge your instrument with a standard USB charger. No modification of lutherie (except USB interface). The B.M.S is the size of a 9V battery and fits easily. No soldering, only connectors.


Battery level indicator. Charging cycles superior to conventional batteries. Lithium technology different from that of our phones, no risk of external effect, no smoke, no fire in the event of impact.


Recharge an hour of play in just 5 minutes! Recharge 90% of the battery in just 2 hours. The system will stop charging if you leave it plugged in for too long and give you an indication of the remaining battery when switching on.


The constant voltage throughout the use of the battery, for better sound. Possibility of adding an active/passive switch, which can be independent or combined with the volume potentiometer.

Better sound

Integrated pre amps

Designed to be used with our B.M.S, our integrated preamplifiers take advantage of the on-board power source to provide an improved sound experience. Audiophile components, advanced medium circuits and more precise adjustments to your sound.

Our preamps are designed to be transparent when the potentiometers are at zero.

Adjustable input gain stage, to adapt to all types of microphones.

Adapted to bass and guitar, Vaudoo Audio preamplifiers are available in several customizable versions

The basic preamplifier

For guitarists wanting an active sound. It will also appeal to bassists who prefer simplicity. Here no headache, you have an active instrument, which gives a more punchy sound.

The 2-band preamplifier

The 2-band preamplifier gives you precise adjustment possibilities for bass and treble.

The 3-band preamplifier

In addition to the bass and treble, the 3-band preamplifier allows you to control the midrange settings directly from your instrument.

The 4-band preamplifier

This product is rather intended for bassists and guitarists wishing to have extremely precise control of their sound from their instrument. The 4-band preamplifier adjusts the sound of treble, bass, high mid and low mid. A way to perfectly adapt your sound to your playing style.

icone guitars

Easy to install

We have thought of everything for a quick and easy installation. Very few soldering are to be expected.

picto casque vaudoo

Professional sound

The Vaudoo Audio integrated preamplifier delivers the quality of an external preamp. The only thing left to do is learn how to play.

icone bolt

Responsive team

The advantage of a structure on a human scale is that we have all the answers to your questions.

Frequency customization high medium and low medium.

When you choose a 4-band preamp, you determine the frequencies of the high medium and low medium sound that suit your playing style and musical style.

– 250 Hz / 300 Hz / 400 Hz : Fullness of sound. Increase to « magnify » the sound or decrease if the sound seems a little « muddy ».

– 800 Hz : Body and presence of sound. Increase or decrease depending on the situation: allows you to have a clearer bass in the middle of the other instruments.

– 2,0 kHz / 2,3 kHz / 2,5 kHz : Clarity and brightness of the sound. Ideal for slap or mediator play.

Create the perfect system

Go to our personalization page to choose your products and create the perfect system to make your instrument rechargeable, with an integrated preamplifier, made in France, of professional quality.