features breakthrough patent-pending TriAxial Dynamic Technology developed by Gary Garrett and Lloyd Baggs. This new technology allows the pickup to respond to the guitars string and body vibrations. This allows the M1 to provide a perfect blend of string and body signal. A hum-bucking pickup with an unlocked second coil. The second coil prevents a hum but unlike single-coil setups also makes a positive sonic contribution while maintaining the pure open sound of a single coil. Carefully tuned the support to control motion in all three dimensions. Relied upon by Coldplay Oasis David Gilmour and MGMT L.R Baggs pick-ups have gained a prestigious reputation for producing high quality equipment that effectively captures the body and soul of an acoustic guitar. Features/Specifications: Highly feedback-resistant Adjustable pole pieces Quiet hum-free operation Built-in gold plated 1/8″ jack Includes a pre-wired strapjack harness and 10″ cable for no cut installation Further Specs: Battery type: CR2032 Battery life: 1000+ hours Current consumption: 135 uA Preamp signal to noise: -78dB unweighted Output level: -10dB Output impedance: 800 ohms