Scarlett Focusrite 2i4 A best guitar pickup is basically just like a vibrant microphone coil. For decades, active microphones have now been wired with the style coil mounted on the primary of the microphone's transformer, and maybe not introduced to ground (‘floating'). The microphone's situation is normally attached to the wire shield, which will be connected to the microphone amplifier's soil (see Rane's web site for more discussion).
By and big, vibrant microphones are very calm products as a result of the mix of transformer solitude and balanced, flying indication lines all through, as well as protected, humbucking coils.
So why not instruments? Instruments are once plagued by noise. Humbucking pickups are only an incomplete (though essential!) solution. The most obvious answer would be to float practicing the guitar collection to a balanced productivity, being a microphone. A similar idea was published that 2001 patent request like this Scarlett Focusrite 2i4?