Seymour Duncan Active Mag Acoustic Soundhole PickupA warm and natural sounding active magnetic soundhole pickup that captures and accentuates the best qualities of your acoustic guitar. Voiced to accentuate the best qualities of your acoustic guitar, Active Mag is a high quality hum cancelling magnetic pickup. Active Mag captures the detail and dynamics of your playing and provides warm, clear acoustic tone that complements your guitar whether you play fingerstyle or with a pick, at any volume you