Line 6 Wireless G50 A best guitar pickup is basically similar to a dynamic microphone coil. For decades, powerful microphones have been wired with the style coil attached to the primary of the microphone's transformer, and maybe not called to surface (‘floating'). The microphone's event is normally attached to the cable shield, which is connected to the microphone amplifier's ground (see Rane's website for more discussion).
By and large, energetic microphones are extremely quiet devices consequently of the mixture of transformer isolation and healthy, suspended sign lines through the duration of, as well as shielded, humbucking coils.
Therefore why not instruments? Guitars are notoriously overwhelmed by noise. Humbucking pickups are just a partial (though crucial!) solution. Well-known option is to move practicing the guitar pickup to a healthy output, as being a microphone. An identical thought was printed this 2001 patent program such as Line 6 Wireless G50?