Boss Da 2 A electric guitar pickup is essentially just like a dynamic mike coil. For many years, dynamic microphones have now been sent with the voice coil mounted on the principal of the microphone's transformer, and maybe not referenced to soil (‘floating'). The microphone's case is normally attached to the cable shield, that will be linked to the mike amplifier's ground (see Rane's site for more discussion).
By and big, energetic microphones are extremely quiet products consequently of the combination of transformer solitude and healthy, flying sign lines all through, in addition to protected, humbucking coils.
So you will want to instruments? Instruments are notoriously plagued by noise. Humbucking pickups are just an incomplete (though crucial!) solution. The most obvious solution is to float the guitar pickup to a healthy result, just like a microphone. An identical idea was printed this 2001 patent application like this Boss Da 2?