L.R. Baggs M1 Series Acoustic Guitar Passive Soundhole Magnetic Pickup - Left HandedM1 Series Body Sensitive Magnetic PickupThe M1 is for players who love big acoustic tone with high feedback resistance on any stage. Combining the natural characteristics of your guitars soundboard with a punchy string attack, the M1s body sensitive design provides enhanced realism while cutting through a loud mix. Body Sensitive DesignThe M1 is a patented humbucking pickup with a twist. In a common stacked humbucker, the lower coil cancels hum, but