Xvive Wireless Guitar System In Black A guitar pickup is actually similar to a vibrant mike coil. For many years, active microphones have now been sent with the voice coil attached to the primary of the microphone's transformer, and maybe not recommended to floor (‘floating'). The microphone's event is usually attached to the cable guard, that is linked to the mike amplifier's ground (see Rane's web site for more discussion).
By and big, active microphones are very quiet devices consequently of the mixture of transformer isolation and balanced, flying indication lines during, along with shielded, humbucking coils.
Therefore why not guitars? Guitars are once plagued by noise. Humbucking pickups are merely a partial (though essential!) solution. The obvious solution is to move practicing the guitar collection to a balanced output, being a microphone. An identical idea was printed this 2001 patent software like this Xvive Wireless Guitar System In Black?