Dean Markley Acoustic Guitar Pickup Promag Plus Single Coil. The number one choice of many top performing acoustic guitarists! Dean Markley pickups are the number one choice of many top performing acoustic guitarists. The single coil Pro Mag SC-1 delivers responsive, warm tone with crystal-clear highs; natural sounding midrange; and smooth, round bass. Natural curly maple design enhances any acoustic guitar. Handmade in the USA