Led Stage Lighting Package A electric guitar pickup is basically just like an energetic microphone coil. For decades, dynamic microphones have already been wired with the style coil attached with the principal of the microphone's transformer, and maybe not recommended to soil (‘floating'). The microphone's event is usually connected to the cable shield, that will be attached to the mike amplifier's floor (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 transmission lines through the duration of, as well as guarded, humbucking coils.
So why not instruments? Guitars are once plagued by noise. Humbucking pickups are just an incomplete (though essential!) solution. The most obvious option would be to float your guitar pickup to a balanced result, as being a microphone. A similar idea was printed that 2001 patent software like this Led Stage Lighting Package?