Shure Radio Mic System A best guitar pickup is essentially just like a dynamic microphone coil. For many years, powerful microphones have been wired with the voice coil mounted on the primary of the microphone's transformer, and maybe not introduced to soil (‘floating'). The microphone's situation is typically connected to the cable shield, that is attached to the microphone amplifier's floor (see Rane's site for more discussion).
By and big, powerful microphones are extremely quiet products as a result of the mix of transformer solitude and balanced, flying sign lines throughout, in addition to shielded, humbucking coils.
Therefore you will want to instruments? Instruments are once overwhelmed by noise. Humbucking pickups are just an incomplete (though important!) solution. The most obvious alternative is to float your guitar pickup to a healthy result, just like a microphone. A similar idea was printed this 2001 patent request such as Shure Radio Mic System?