The Eco Boost is unique, as it requires no additional power to provide you with up to 6db of volume boost. This is plenty of volume to push your solos up out of the mix or drive your amp a little harder into break up.
Just to be clear this unit does not run on batteries or dc power supply but purely off the incoming guitar signal.
There is also no trickery here, we have not attenuated the bypassed signal to make it seem like the volume is boost when you turn the unit on.
This unit is wired for True Bypass so your bypassed signal is untouched and original, this unit does give an actual volume boost.
But………..there is a catch.
To boost the full frequency range of your guitar this unit must be driven from a low impedance source.
In other words directly from an active guitar or after a buffered bypass pedal in your signal chain.
I can run an Acoustic straight into it and it works fantastic, or directly after a Boss TU-2 tuner (or any other Boss unit for that matter) with my Les Paul and it provides a really sweet boost.
If you have a mix (as most musicians do) of pedals on your effects board or your Guitar/Bass takes batteries then this booster is a great way of cutting down on pedal powering issues.