Line 6 Amplifi A guitar pickup is essentially just like a vibrant mike coil. For decades, active microphones have been sent with the style coil attached to the principal of the microphone's transformer, and not recommended to soil (‘floating'). The microphone's event is normally linked to the cable guard, that will be linked to the microphone amplifier's soil (see Rane's website for more discussion).
By and large, active microphones are extremely quiet units consequently of the mix of transformer isolation and healthy, hanging indication lines all through, as well as shielded, humbucking coils.
Therefore you will want to instruments? Guitars are notoriously overwhelmed by noise. Humbucking pickups are only a partial (though crucial!) solution. The most obvious answer is always to move the guitar pickup to a balanced output, being a microphone. A similar thought was published this 2001 patent application like this Line 6 Amplifi?