Chauvet Freedom Par Hex 4 A electric guitar pickup is actually just like a vibrant microphone coil. For many years, energetic microphones have been sent with the voice coil attached to the primary of the microphone's transformer, and perhaps not referenced to ground (‘floating'). The microphone's case is normally linked to the wire shield, that is linked to the mike amplifier's surface (see Rane's site for more discussion).
By and big, energetic microphones are very calm devices as a result of the mixture of transformer isolation and balanced, hanging transmission lines throughout, along with guarded, humbucking coils.
So you will want to guitars? Instruments are notoriously plagued by noise. Humbucking pickups are merely a partial (though important!) solution. The obvious solution is to float the guitar collection to a balanced productivity, being a microphone. A similar idea was printed that 2001 patent software like this Chauvet Freedom Par Hex 4?