Wireless In Ear System A electric guitar collection is actually just like a vibrant microphone coil. For many years, vibrant microphones have now been wired with the voice coil attached with the principal of the microphone's transformer, and maybe not referenced to floor (‘floating'). The microphone's event is typically linked to the wire shield, which is linked to the mike amplifier's floor (see Rane's website for more discussion).
By and big, powerful microphones are very quiet devices consequently of the mixture of transformer isolation and balanced, flying indication lines through the duration of, as well as guarded, humbucking coils.
So why not guitars? Instruments are notoriously plagued by noise. Humbucking pickups are merely a partial (though essential!) solution. Well-known answer is always to move the guitar pickup to a balanced production, just like a microphone. The same strategy was published this 2001 patent application like this Wireless In Ear System?