Krk Rokit 6 G3 A guitar pickup is essentially similar to an energetic microphone coil. For decades, energetic microphones have been wired with the style coil mounted on the primary of the microphone's transformer, and perhaps not recommended to ground (‘floating'). The microphone's case is typically attached to the wire guard, that will be connected to the mike amplifier's surface (see Rane's website for more discussion).
By and big, active microphones are very quiet products consequently of the mix of transformer isolation and balanced, suspended sign lines all through, as well as protected, humbucking coils.
So you will want to instruments? Instruments are once plagued by noise. Humbucking pickups are only a partial (though crucial!) solution. The most obvious solution would be to move the guitar pickup to a balanced production, just like a microphone. An identical strategy was published that 2001 patent request such as Krk Rokit 6 G3?